I don't know about "required" but certainly the best I've found. I'm just getting back into boating after 12 years and I've learned things here I've never known.
I call Tow boat usa once a week and save a ton of money on fuel. I call them for inbound trip because I don't want to drive back drunk and I like to save on fuel .. membership has its rewards.
This is one of the few channels I have ever clicked the notification bell on 'ALL'! Amazing source of info. I have a new job at a marine shop so I'm here learning everything under the sun. Thank you for being exact, precise, and knowledgeable on nearly if not all boating subjects.
I don't even have a boat and I watch as many of the channels as I can to learn as much as I can. I just recently sub'd, like this morning, to BAB. The technical aspects and opinions are about the best of I have come across. I am 62 and medically retired on a fixed income. With that being said, I still am looking to get an older Wellcraft 248 Offshore to refit and use for fishing with my younger brother. I am of the opinion after having used a rental with a four stroke 200 Yamaha that I will be re-powering with a 4S 250 Yamaha on a bracket. It my never come to fruition, but I can research and plan my boat based on the information available. I was aware of the general idiosyncrasies of a boat's makeup, but I never had cause to get really in-depth into it like my sister and BIL who are avid boaters with a 26' Formula and a 32' Tempest. Now more recently taking notes in my dedicated notebook. Thanks for sharing your knowledge with the tadpoles. BTW, the Offshore will be used primarily in fresh water, in Lake George New York.
The opposite of this trick can also be used if you know you're going to be facing rough weather. For instance if I know I'm going to be going out almost a full day and burn half a tank of fuel I fill her up to the brim in the morning and add some extra weight as well. A heavy boat will consume more fuel but is also a lot more stable in rough weather. Basically the experienced skipper will use the weight of the boat to his advantage under varying conditions, sometimes light and sometimes heavy. And it also depends on the boat of course, my boat has the fuel and water tanks in the center console so it's central weight which helps calm the boat down.
I've never measured my fuel consumption, but determined my optimal cruising speed by listening for when the motor sounds to be freely running (doesnt sound like it's under much of a load). Plenty of smooth water and distance to mess with speed and trim on the Missouri river. Around 35mph. Bayliner 212 cuddy with a 5.0l.
I agree with everything your video stated. I have also been told that using a jack plate to remove even more of the engine from the water will also decrease fuel consumption dramatically, with no loss of speed.
2000 Sea Hunt Victory 21" cuddy walk around w/ 1999 Johnson 175 hp 4 blade Al. prop V6. with Trim tabs. 34 to 36 mph fully planed. I usually run about 3400 rpm's @ 28 mph.
My boat is 24 feet and I have 2 Mercury Optimax 135 (my 2007). My cruising speed is about 24/27 knots (around 3.500 rpm) and about 34 liters per hour (9 gallons/h). Top speed is 43 knots.
150 opti fishing with a 20ft sunbird we fish 6 hours from idling to fast move to different spots we burn about 1/2 mercury 5 gallon tank. It gives my sons 25hp mercury a run for its money on fuel economy fishing wide-open cruising it will get hungry but not that bad. AMAZING.. i GUTTED that boat when I got it redid all the stringers and foam its so lite my little wife can push it around the shop we keep the belly tank 1/2 full for ballast for fear of being tipped over.
Good day, 2015 260 SeaRay 350 dual props. Gets up, and stays up on plane,with the help of trim tabs,at a speed of twenty five mph at thirty two hundred RPM.
I have a 2001 cobra rib 7.5m (25foot) with a Mercury optimax 225hp, best cruise at 33mph get 8gph average load, 53mph wot gets 20gph. I find weight is also a big factor to speed and economy.
Love the video! I have a 1994 Searay 34 foot express cruiser I cruise about 20 kn at 3000 RPM roughly 16 gallons an hour which prior to this video I thought it was really bad but she’s a very large boat 11 1/2 foot beam I’m actually quite content with my numbers now thank you for the video I’m going to make a video about this thank you guys
@@peterdarr383 So your maximum speed is full trim up? The flatter the hull in water, the more wetted surface and this creates drag , especially if the bow is being forced down (stern being forced up). Anyway, generally with the correct x-dimension and decent hull shape (not excessive rocker, no huge hook, etc.) the prop shaft will be near parallel with the water.
@@thisisyourcaptainspeaking2259 No, not trimmed-up the whole way, that's not what I said. But also the appropriate trim at 25 MPH is "nose-down" at 50 MPH, thus as I go faster, I trim "up". My hull appears straight, with no rocker or hook. A Bayliner 175. So as I go faster, I assume the nose goes a bit down.
@@peterdarr383 You should be adjusting the drive position to maximize the hull speed. Generally it's not necessary to readjust aside from the initial hole shot, depending on the circumstances. You may find it necessary to forgo some speed in order to raise the bow in rough conditions, this positions the hull better for crashing through chop. Regardless, the prop shaft will be very near parallel with the water surface. Bayliner hulls have a decent profile IMO, Sea Ray as well. All boats have rocker, shorter boats tend to have more and this can lead to porpoising Hook often is a result of improper trailer position, although some hulls will have some small amount built in to help tame their handling characteristics. I don't recall seeing any hook in the Bayliner hulls.
I was exercising a customer’s 37 intrepid and it would top out around 65mph with triple 300’s and then we filled up the huge live well and it lost 5mph off it’s top speed lol. We also had another customer that was really picky about his speed on his 39’ nor tech with quad 400’s, even though it smokes anything it comes across he still never wants to fill it with fresh water and made sure his outriggers were carbon fiber. He ordered a 452 super fish with quint 450’s but he deleted the generator, sea keeper, and bow thruster options just to save weight. Basically he deleted the re-sale value as well.
I used Gauge Saver to repair an unreadable Lowrance LMF 400. Looks new and they included a gauge bra to minimize exposure when not in use. Turn-a-round was very reasonable. This gauge is hard to find and expensive.
We in the UK are on approximately equivalent per gallon 7$ or £1.25p per ltr £6.25 per gallon Fuel costs here are 30 - 40 % more expensive, would run the boat for economy rather than thrills or just speed.
Interesting live data and these are methods everyone can use to fairly accurately determine their own fuel consumption. Thanks well explained! The newer mercs have a type of fuel saving programmed into the ecm. After staying at the same Rev range for more than 2 seconds the fuel mix becomes step for step reduced and the igniting point advanced up to the point of knocking, saving up to 30% fuel! ARO advanced range optimisation. Enjoy saving fuel for more boating
Yup! Suzuki's do the same thing too :) That ARO lean burn is amazing though! You never know when it's working though, unless you are watching the data on the laptop :)
135 mercury verado on 20 ft. Mako. Doing 37 mph top end and 30 is my sweet spot, the fuel is about 1.7 gph. Not bad but still not the best. Still working it out. Thanks for the added information. I will definitely be using it. As for the GaugeSaver they are highly recommended from me. Saved me about $500.00 over buying new ones. Had a pair done by them and did a great job considering the shape they were in. Keep up the good work guys. Look forward to seeing your videos each week Arron. Stay safe! Have a great week.
Hi David Smith Are u sure ur getting 1.7 Gph. What Rpm are u getting at 30 mph. I’m asking coz that is an amazingly low consumption and my boat isn’t very different than urs but my fuel consumption is more than double of urs. And with petrol at $8.7 /gal I’m trying everything I can to improve my economy.
N M how are you doing, hope all is good, yea I’m pretty sure that the numbers are right. I’m not 100% sure of the rpms at this moment haven’t had the boat out in a couple months with this lock down because of the virus. If memory services me I pretty sure it’s about 3400 or 3500. I think I can do better as the prop could use a bit more pitch but we will see. Anything I can help you with please send me a text.
N M. Just thing, double is quite a bit. What are your rpms? Also what about your pitch on your prop. Just seems like a lot of fuel. There are so many questions to ask. Boat weight, motor size, etc. etc.
David Smith So I have a Sportsman island reef 19ft running a Mercury 115 four stroke (the older 1.7L engine but in great condition with low hours). The boat when running light is around 2250Lb. My motor is set pretty high and I run a SS Solas Titan HR 4 blade with 19 pitch (seems to be the best prop I can get for my application). I’m very meticulous about my fuel consumption so I always keep track of my RPM, speed and consumption GPH. My boat comes on a plane at 3600 rpm @ 21mph @ 3.3gph, I usually run at 4000rpm @ 26mph @ 4.2gph. At WOT it will max out @ 45mph I know the new mercury 115 (2.1L) would be about 10-20% more fuel efficient, but I would still be way off your numbers. I usually fill up only the fuel that I need to keep her light and remove the Bimini top to reduce drag. So I’m really trying hard to maximize my fuel consumption and would consider any tips to improve on what I’m doing.
N M I am running a 135 verado that is spected to run like a 150. I planes out a bit quicker at 3400 rpms and 19 mph. The Mako is a foam filled boat and sits a bit higher in the water than most. Weird though cause she is some what heavier. I would have to look at my papers but I think it’s around 2600 lbs. I am also using a 19 pitch prop though it’s a 3 blade. I am doing the same for economy fuel, water, top down, etc. I don’t run full out unless I have too. Wow 4.2 gph seems high for your boat. I would think that half that should be the number. 4000 rpms at 26mph is the issue I think. You have power trim right? Try that. Bringing the bow up a bit and work on it from there. Keep an eye on the gph as you do this. I not insulting you. You sound like you knee what your doing. But the numbers don’t seem right for the size of your boat. At 26mph my rpms would be about 3200. Guessing right now but about there. At 4000 I’m pushing 30+ mph. That being said the 4000 at 26 mph is what needs addressing. That’s what is standing out to me.
I recently downsized from a 24' with 225 Johnson 18gph cruising, to being super happy with my parker1801 and its fuel sipping consumption. I typically get 4.5gph fully loaded at gps 27mph #gaugesaver
Not a power boat guy but does it ever make sense to shutdown engines during econ-cruise? I've seen 6 engine plus centers and cant imagine you need all that motor to make econ-cruise speed.
My dear brother, thank you very much for this distinguished and good work that you are presenting. Thank you for every little and big thing you do. Your work and explanation are distinguished, and you are a good and wonderful man, my brother.❤❤❤❤❤❤
25'-6" Cobia CC with twin Yamaha F115's - Best economy is 28-30 MPH getting around 2.7 to 3 MPG depending on load and sea state. WOT is 40-42 MPH I didn't know when I bought it (used), but the props were not matched correctly. They were both the same size (according to the casting stamps) but I could never reach full RPM on my port engine. It was always 2-300 lower than the starbd. Took it to a mechanic and he diagnosed a high pressure fuel leak inside the VST and also that the cupping of one prop was different than the other. After fixing the fuel leak I lake tested and was about 150 rpm lower then. I found a pair of matched props 13x17 - 3 blade, put them on and bam, back up to 6K on each engine now. I keep the originals as emergency spares now, and can fix my own VST fuel pump issues :-) PS - Eric aka UncleBob at Gaugesaver is awesome, they redid all my gauges three years ago and turned out fantastic! I bought some of the rubber covers and they still look good. We are planning a #FPTower trip in May sometime looking for mahi and maybe a stay out there too!
I have a 260 I/O Merc in my 248 sportsman. Best investment was a gps enabled Floscan fuel totalizer. now i can trim it out to get my best fuel burn. She will only hit around 28mph full throttle and we cruise at 2900-300rpm at 20-22mph burning around 11gpm. The motor rpm tops out at only around 3800rpm though. Should I re-prop to get a higher rpm?
I have an older boat. 23 foot 1999 Kencraft 220 with a 225 HP Mercury 2 stroke outboard. I wish I had a flow meter to see. But I am guessing at 4000RPM I am doing about 10.5 GPH cruising at 27MPH. The boat tops out at 45 MPH @ 5800RPM, which is nuts. My boat is in mint condition for being 21 years old. Hope you can help me out!
@@BornAgainBoating it was a loaded statement telling you about my older boat, hoping this RUclipsr would give me the device as a gift. A "read between the lines" comment.... However, you are right, no i didn't actually ask a question.. lol. Where does one get this type of technology to install.?
Wondering if a fuel 's chemical makeup affects gas mileage? Also, wether synthetic oil vs. regular oil lubrication affect milage. Regarding chemical makeup, 10% ethanol seems to introduce problems other than just the mileage of a marine engines. (phase seperation & plastic parts damage etc)
What engine are you running ?? Regardless, buy some Diesel Synthetic, which has additive ZDDP that will make any off-road engine last longer. Go for premium, synthetic oils. Buy Ethanol-Free Boat Gas when you can, and definitely before going "off-season" Or buy "Sta-Bil".
Enjoy your videos. I have an Intrepid 377 with trip 300 Verados. My boat also has a Marlin tower with hardtop. My sweet spot is around 4200 rpms at 36 mph. At that point I am getting 1.02 mpg or just over 10 gph per engine. Could really use #gaugesaver
Your math is way off . . . unless by saying "just over 10 gph per engine" you mean 11.765 gph per engine. Or, more likely, by saying "getting 1.02 mpg" you really mean getting 1.2 mpg.
1972 Thunderbird Runabout. 50hp outboard. Top cruising speed 22-25mph. Still need to do some more motor trim testing. Thanks for the informative vid 🤙🏻
Perfect timing for this video. I’ve been restoring a 2003 Proline 22 Bay with a 2004 Yamaha SX200TXRC and sending the Yamaha gauges to Gauge Saver is on my list. I am just now starting to dial in cruise speed and prop. I don’t believe the Yamaha gauges provide fuel burn numbers. Cruise is somewhere in high 20s to low 30s mph with the stock prop. She runs 35 mph at 3500 rpm. Haven’t had the chance to run her up to WOT yet. Thanks for the video, it will be very helpful in the coming weeks. #gaugesaver
Congratulations @Kevin Morgan! You're this weeks winner! Shoot us an email to aaron@bornagainboating.com and we'll get you in touch with gaugesaver.com to get your gauges redone! Congrats!
2016 Key West 210 Bar Reef with the 250 Yamaha SHO. First off, I never "cruise" looking for best fuel economy. I know my WOT fuel consumption is around 25 GPH at 65 MPH (6,200 RPM). I usually "cruise" around 4,500 RPM at 45ish MPH. No Idea what the fuel consumption is at that speed. Might check it this weekend.
My boats cursing speed is dictated by how rough the water is :). Hard to get the best if your having to constantly adjust throttle to avoid getting smacked by big waves.
I booted all my free loading friends out of my boat in favour of friends who understand the costs of running a boat and help with the cost of running mine. Problem solved😁
Literally just learned my lesson last week. Took three friends and their kids (5 people) our dipnetting for salmon in the kenai river here in Alaska. I paid for gas, launch and they got air BnB and didn’t even think about where I was gonna stay as we had planned to camp. I had to go find a campsite at 10 pm and they expected me there at 6 am so they could get one water before the low tide boat launch closure which lasts 2 hours till tide is high enough. I showed up at 9 😂 took them out and made them all ride in their compact car as I stayed an extra day and so they couldn’t have two of them ride with me back as they couldn’t stay the extra day. I let them bitch and complain and had a great night after they left and a friend of mine who actually understands boating and the next day she drove an extra 50 minutes past her house to help me clean the boat and fillet the fish etc. needless to say those people are gonna have to dipnet from shore next summer and aren’t invited back in my boat.
matanuska high First congratulations on living in such a beautiful place. I have lived in British Columbia all my life 60+ and have fished the whole coast both commercial and sport. I like how you handled that one and better yet your friend who drives 50 miles to help. She should get second mate status. Enjoy the summer.
@@MatanuskaHIGH Well, like the old saying goes, "With friends like those, who needs enemies." lol Lived in Anchorage back in the late 70's. Saw a turnip at the State Fair the size of a basketball, about 18 lbs. I think from the Matanuska Valley. Any Thunderfk still growing out there? Love your name so I thought I'd ask.
Seal M well thunderfuck isn’t just one strain of cannabis. It’s basically any good weed coming out of the valley back then was called thunderfuck to sell better and higher price. Being indoor was a new thing in the 70s and people starting growing higher quality compared to commercially available weed it became legend in that way. But too many people claim to have it and they are all different genetics going back to the 70s. Plus there is a lot of better herb around now days. I work in a legal extraction lab running different types of cannabis extraction equipment and also have spent about 25 years growing I can safely say the MTF aka matanuska thunderfuck is more or less a myth and a name given to all types of good weed back in the day.
19GPH * $4.68 per gallon (What I saw it costs at my favorite place to eat that also has fuel on the lake) comes to 88.92 an hour! That is incredibly expensive!
Whenever I feel like my Old 2 Stroke single 115 uses a ton of fuel, I watch a video like this where it makes me hush my mouth. Smiles per gallon can get expensive 😁 #gaugesaver
# GaugeSaver, I have a 19' Cobia Center Consol with a 130hp Yamaha on it, Not sure how much fuel I'm burning or my cruising speed as I don't have a gauge for that (yet), and have not checked it by GPS
My 2006 optimax I just bought I inslalled them borh the same way. but when I star them up the left one works just perfect, but the other one rpm goes up to 1800 and wont go down. I change the Throttle Position sensor and it keeps doing the same. before I bought them I tested them and they were great don’t know what’s going on with it.
Good video, however you should set the gauges to miles per gallon or miles per litre for a good economy number, since you can burn more fuel but gain more speed and results in being more efficient.
@@jaredmayer3960 Yes, but the numbers are misleading to many, and takes extra math to become meaningful. Which is the most economical speed in this example in the same boat: 25 liters per hour at 20 knots, or 35 liter per hour at 30 knots? Yep, its the 30 knot speed, even though it uses a lot more fuel per hour. No such problems with a mpg or mpl number, all that you need is right there.
@@jaredmayer3960 No what? They video is about fuel economy (as is in the title), not fuel usage per hour. With that kind of reply, it would seem you perhaps didnt understand that?
#GaugeSaver. We will see this summer with the brand new mercury 150 that we bought yesterday. Delivery date soonnn 🤩. It’s impressive to see how efficient a motor can be when adjusting speeds and trim. Never imagined to be that much. Need to invest in a more modern gauge now. Great tips 👌
Excellent video - lots of great info. I've been aware of the benefits of trimming up for years but did not realize it could be THAT dramatic. Unfortunately the gauge package on my 2004 Scout Dorado 175 doesn't report fuel burn and the fuel gauge is incredibly crude so I'm going to have to install some kind of aftermarket fuel burn meter. (Hey, how bout that for a future Tech Tues!). What I did figure out a couple years ago by topping off the tank, taking a two hour run, one heading for half, then reverse heading home, then topping off again and doing some math was that a slow plane of about 22 mph constant, just me, and that full 30 gal tank, it worked out to just 2 gal/HR out of the Yamaha 90 4-stroke. That really impressed me (cuz I'm a cheap SOB... 😎). I'd say tho my normal cruise is closer to 30 mph (WOT gets me 40...) so Im looking forward to recalculating. I just wanted to see how little fuel I could burn that first run.
I have a question, I am looking into buying a 252G 1993 sailfish 5400lbs. Im planning to put twin 150HP mercury 4 strokes on it, anyone know what it would use GPH combined with both motors at a cruising speed. Great video though, learned some new stuff
I agree totally, I keep the bottom of my fiberglass boat cleaned and waxed and the difference in Fuel economy will amaze you by just this one detail, also keeping it waxed will help keep buildup away from the Hull.
but when the fuel tank is full you won't get that best fuel burn. My old boat had 1000 ib fuel capacity with a 1000lbs of fuel onboard planing would take wide-open throttle to get up on top. But I could cross the great lakes and come back without refueling.
That can't be completely true. You have 4.9MPG at cruising speed but 5.3MPG at top speed. The E-Tecs have good fuel economy, but 7.5GPH for a 115HP engine at WOT seems pretty low to me.
I Was looking online for fuel consumption for my new (to me) motor and I found a guy who had almost the same motor who had plotted his fuel consumption vs. rpm. Great resource. But the funny thing was that his boat must have been really slow or lame, because this thing went from like 12 mph to 30 mph between 2500 and 3000 rpm. That thing must be hard to plane. I hope mine isn't that weak. But his best fuel mileage was around his lowest planing speed ... 3000 rpm, give or take, but it was similar for up to around 4k.
That's normal, and shows that at 2,500 RPM he was "plowing" , not "Planing". Some of the "wakeboard" boats get a third of a MPG at 11 MPH. And the don't care.
Yes, I propped the boat myself ;) I'm sure we could change a little though and get some more top end, but we were looking for both holeshot and speed, so it's using ECO's, 3 blades.
Congrats, motor running towards their max wot rpm range factory stated it´'s the way to go when wanting fast hole shot provided that deck load was well balanced previously..
I have a question I have a 17 foot 1996 larson I/O with a volvo penta 3.0 with volvo penta SX outdrive, which prop is the best prop should I used that can give me good speed?
If you have a twin counter-rotating install, then apart from using a LH prop, does the whole engine turn backwards, or is it all handled with a modified shift/cable linkage?
Gas mileage… we do a lot of wake surfing. We ballast the boat so heavy it’s 1/2 throttle going 10mph. We can burn 20 gallons in a 4 hours on a 21’ boat. Would probably be cheeper to go to the ocean where the waves are free, but I don’t like sharks.
2005 20’ seahawk w/ 150ph 2 stroke. Haven’t tinker with it enough to get to the sweet spot. I’ll definitely will pay more attention to it now. Thanks for the awesome video. #gaugesaver
I have no idea how much fuel I’m burning per hour because my boats gauges only work when they feel like it, but I know it’s a gas guzzler lol. #gaugesaver
2000 bayliner Capri, we are out of gas at half tank, apparently redline at 11k rpm, doing 65 mph at idle, throwing -3 volts on the battery, and 15 F engine temp. Gotta love boat gauges, especially old cheap ones lol
My 18footer is very broad and shallow in draft with a 115 ficht 2 stroke. Having hooked up an entire Minn Kota system with an old 105 trolling motor in the bow I simply use the the gas engine to power the batteries from time to time to keep them topped off. I have been looking at jack plates for any next *real boats* as discussed here but power to weight ratio on an engine in addition to durability and simplicity really matter. Not a fan of the Engineering that is a 4 stroke motor at all therefore. Most go with diesels if fuel economy is the goal anyways. Big fan of the old Detroit Diesel 2 stroke as such. Having said that the purpose as I see it with gasoline motors is the same as for a car namely running all the accessories on a boat which are many now. A/C, heating, electrical, a gyro stabilizer you name it a gasoline outboard engine is a very valuable property of any type or condition.
I have a 2005 F115 Yamaha on my 19'6" Seapro bay boat and I was wondering what's the best to track my fuel consumption? I don't have smart gauges and my Garmin 198c doesn't have diagnostics. Do I need to upgrade? Thanks for the videos btw. Super informative.
Um, without buying a fuel management system and Guage, you can just fill up the fuel tank to full. Then keep track of where you can and how far you go. When you get back, fill up again and write all the numbers down in a notebook. Do that for the next 5-10 times you go out and you'll get an idea of what your burning :)
I have a question my 150xb Yamaha lowers when I'm running in the water I have no leaks any reason my motor is triming down on me. I tried watching you're other video but before I try adding fluid I'm wondering if I'm missing something
See if the manual release valve is loose, you might have to replace it because is sounds like its leaking :) the valves arent that expensive, at least the didnt used to be. Haven't changed one in awhile.
Great video as always ! But what can i do, to do this method with analogue gauges :( i have a pair of 175DF suzuki of 2012. Can i connect a C10 gaude ? Or multimedia display ? Any suzuki gurus here ? Thanks !
You don't need the gauge, you can just watch your fuel consumption :) Id say to fill the tank all the way up and then take a trip or two. Try running at say 3500 RPM's or just a steady speed. Then write down after that trip how much fuel it took. Then do that for the next couple trips and you'll get a feel for where to run the boat to optimize your fuel consumption :)
I have a Larson 16 footer I installed a switch board 6 gangs with usb and charging port for phone charger before the gas tank gage was working now it does’t work I traced the withers from the tank to the gage to the battery and they are fine I don’t know if it’s the sending unit or the gage can you help? Thank you.
#GaugeSaver 19' Stingray 3.0 (135hp), max 42mph. Cruise 30 mph but this is based on lowest RPM for best speed as I don't have fuel flow. And yes, I've found to trim nose up until she starts purposing.
Like your car; stats show that in cities; stop and start repetitions use 33% of a vehicles fuel. In Europe where gasoline prices are extreme comparatively speaking, the "Round About" intersections employed seriously reduce fuel consumption. Jack Rabbit take offs in boats as well as cars use lots more fuel. Tire pressure too. The boat configuration hull type, the prop type according to purpose and a well tuned and maintained engine, reduce frowns at the gas pump. Getting your boat "Up On Plane" reduces drag, but with an appropriate Hull to Power combination can be done in a gas conserving practical way. Boating is Happy Time, whether we are flying down the lake or trolling for our favorite fish. This demands dependable and reliable and cost efficient. But in general, poor gas efficiency is often a maintenance issue. The Number one Priority, was and always will be; Safety. At times; Other people's Lives are in your hands.
Sportsman 19ft Island reef with a mercury 115 four stroke set high running a solas titan Hr 4 blade 19 pitch. On a light load she cruses at 26mph @ 4000 rpm burning 4.2gph. WOT = 45mph @ 6200 burning too much fuel for me to look at 🤦🏽♂️ Watching this post I was hoping for a magical solution for fuel consumption as petrol here in Hong Kong is Us$ 8.7 per gallon 🤦🏽♂️😭, but apparently I’m already covering most points to help with my fuel consumption. Still a comprehensive rundown on fuel efficiency.
You might be able to rig up a Yamaha flow sensor and gauge! The flow sensor just goes in the fuel line to read the flow, then it is sent to the gauge. There might be a way to rig it up independently and show your flow.
I have a 23 ft proline center console, with a 225 honda on it, my top speed is 30 mph and I have a cruising speed of around 22, I feel like it is low for a boat like that, the engine is good and everything, does anyone know if this numbers are lower than normal, or are they ok ?
It really depends more on the propping and the engine mounting height, you might check these out: ruclips.net/video/N_EMx9WwTlY/видео.html ruclips.net/video/_l5mwbHzHBY/видео.html Also, what is the wide open throttle range of the engine, is it getting wide open throttle?
My economical cruise is 3000-3500 rpm, 35-50 km/h, at this speed fuel usage per km remains the same and I average around 1.3km per litre. Boat is a 24 foot half cabin, 23 degree deadrise at the transom with a new Mercruiser 6.2 300hp pushing a bravo 2 leg, 2.2:1, three blade 23 pitch x 17 inch aluminum prop. Boat weighs about 2700 kg (6000 lbs) on the water. I think this translates to 3.1 mpg anywhere from 22 to 31 mph. Fuel is typically $1.50 litre but with the CV19 restrictions it has dropped to 90 cents. Problem is, in my state it is illegal to go boating/fishing/hunting etc....Victoria, Australia 🍺🍺🇦🇺🇦🇺
Funny how you mix-blend Metric with SAE-English !! How the #3LL could anyone spread a virus in the wilderness !! It does seem that once a boat settles on plane and is trimmed out properly - that is the most efficient speed. Except for possibly "off-idle" slow.
@@peterdarr383 mate, our State Premier (Daniel Andrews) is known as the Dictator - he's a dead-set See U Next Tuesday. 6.5 million people got locked up the longest of anywhere in the world due to Dictator Dan's overreach. No fishing or golf, (Dictator Dan said the virus will kill us on the golf course!) couldn't travel further than 5km form home, one hour exercise per day. He needs to go at the next election in November. Thankfully, life is almost back to normal. People still need to be vaccinated otherwise they can't work in govt sectors. It's funny how imperial and metric are both used in Australia even though we converted to metric in the 60s. The price of fuel was below one dollar when I made the original comment, it got up to $2.60 recently and has settled down to about $1.70 so every extra metre per litre really counts with the boat. Sorry for the rant, I'm still extremely angry at what this govt did to us.
@@Cammo-vp1gl You SHOULD be angry - VOTE THE BUMS OUT ! They're coming for U.S. Gun rights now. About time for some clean Nuclear energy too - Australia could have the very best equipment in the World.
I think this channel should be required watching for anyone looking at getting into boating. Excellent content. Such a blessing.
Thank you!
I’m that person.
I don't know about "required" but certainly the best I've found. I'm just getting back into boating after 12 years and I've learned things here I've never known.
I agree.
I call Tow boat usa once a week and save a ton of money on fuel. I call them for inbound trip because I don't want to drive back drunk and I like to save on fuel .. membership has its rewards.
I really hope this is real 🤣
I tried that twice and after the 2nd time they revoked my membership that does not work
@@adraper30 you’re a legend
Nice to know I’m not the only one that does this!!
@@jd3953 😂
This is one of the few channels I have ever clicked the notification bell on 'ALL'!
Amazing source of info. I have a new job at a marine shop so I'm here learning everything under the sun. Thank you for being exact, precise, and knowledgeable on nearly if not all boating subjects.
I don't even have a boat and I watch as many of the channels as I can to learn as much as I can. I just recently sub'd, like this morning, to BAB. The technical aspects and opinions are about the best of I have come across. I am 62 and medically retired on a fixed income. With that being said, I still am looking to get an older Wellcraft 248 Offshore to refit and use for fishing with my younger brother. I am of the opinion after having used a rental with a four stroke 200 Yamaha that I will be re-powering with a 4S 250 Yamaha on a bracket. It my never come to fruition, but I can research and plan my boat based on the information available. I was aware of the general idiosyncrasies of a boat's makeup, but I never had cause to get really in-depth into it like my sister and BIL who are avid boaters with a 26' Formula and a 32' Tempest. Now more recently taking notes in my dedicated notebook. Thanks for sharing your knowledge with the tadpoles. BTW, the Offshore will be used primarily in fresh water, in Lake George New York.
The opposite of this trick can also be used if you know you're going to be facing rough weather. For instance if I know I'm going to be going out almost a full day and burn half a tank of fuel I fill her up to the brim in the morning and add some extra weight as well. A heavy boat will consume more fuel but is also a lot more stable in rough weather. Basically the experienced skipper will use the weight of the boat to his advantage under varying conditions, sometimes light and sometimes heavy. And it also depends on the boat of course, my boat has the fuel and water tanks in the center console so it's central weight which helps calm the boat down.
I've never measured my fuel consumption, but determined my optimal cruising speed by listening for when the motor sounds to be freely running (doesnt sound like it's under much of a load). Plenty of smooth water and distance to mess with speed and trim on the Missouri river. Around 35mph. Bayliner 212 cuddy with a 5.0l.
Agree. Often the best indication is the sound & feel.
I agree with everything your video stated. I have also been told that using a jack plate to remove even more of the engine from the water will also decrease fuel consumption dramatically, with no loss of speed.
2000 Sea Hunt Victory 21" cuddy walk around w/ 1999 Johnson 175 hp 4 blade Al. prop V6. with Trim tabs. 34 to 36 mph fully planed. I usually run about 3400 rpm's @ 28 mph.
My boat is 24 feet and I have 2 Mercury Optimax 135 (my 2007). My cruising speed is about 24/27 knots (around 3.500 rpm) and about 34 liters per hour (9 gallons/h). Top speed is 43 knots.
Great video. Thanks again. At the end of the day It's all about SMILES PER GALLON!
Lol :)
150 opti fishing with a 20ft sunbird we fish 6 hours from idling to fast move to different spots we burn about 1/2 mercury 5 gallon tank. It gives my sons 25hp mercury a run for its money on fuel economy fishing wide-open cruising it will get hungry but not that bad. AMAZING.. i GUTTED that boat when I got it redid all the stringers and foam its so lite my little wife can push it around the shop we keep the belly tank 1/2 full for ballast for fear of being tipped over.
Good day,
2015 260 SeaRay 350 dual props.
Gets up, and stays up on plane,with the help of trim tabs,at a speed of twenty five mph at thirty two hundred RPM.
I have a 2001 cobra rib 7.5m (25foot) with a Mercury optimax 225hp, best cruise at 33mph get 8gph average load, 53mph wot gets 20gph. I find weight is also a big factor to speed and economy.
Love the video! I have a 1994 Searay 34 foot express cruiser I cruise about 20 kn at 3000 RPM roughly 16 gallons an hour which prior to this video I thought it was really bad but she’s a very large boat 11 1/2 foot beam I’m actually quite content with my numbers now thank you for the video I’m going to make a video about this thank you guys
Which cluster do I need to measure fuel consumption in a 200 hp Yamaha 4 stroke 2014 ? Thanks
Generally speaking, prop shaft should be parallel with the water surface. Trim up as much as possible, adjusting trim to maximize speed.
That can-t be right - the faster I go the more I trim up and the flatter the boat rides.
@@peterdarr383 So your maximum speed is full trim up?
The flatter the hull in water, the more wetted surface and this creates drag , especially if the bow is being forced down (stern being forced up).
Anyway, generally with the correct x-dimension and decent hull shape (not excessive rocker, no huge hook, etc.) the prop shaft will be near parallel with the water.
@@thisisyourcaptainspeaking2259 No, not trimmed-up the whole way, that's not what I said. But also the appropriate trim at 25 MPH is "nose-down" at 50 MPH, thus as I go faster, I trim "up". My hull appears straight, with no rocker or hook. A Bayliner 175. So as I go faster, I assume the nose goes a bit down.
@@peterdarr383 You should be adjusting the drive position to maximize the hull speed. Generally it's not necessary to readjust aside from the initial hole shot, depending on the circumstances. You may find it necessary to forgo some speed in order to raise the bow in rough conditions, this positions the hull better for crashing through chop.
Regardless, the prop shaft will be very near parallel with the water surface. Bayliner hulls have a decent profile IMO, Sea Ray as well.
All boats have rocker, shorter boats tend to have more and this can lead to porpoising Hook often is a result of improper trailer position, although some hulls will have some small amount built in to help tame their handling characteristics. I don't recall seeing any hook in the Bayliner hulls.
I was exercising a customer’s 37 intrepid and it would top out around 65mph with triple 300’s and then we filled up the huge live well and it lost 5mph off it’s top speed lol. We also had another customer that was really picky about his speed on his 39’ nor tech with quad 400’s, even though it smokes anything it comes across he still never wants to fill it with fresh water and made sure his outriggers were carbon fiber. He ordered a 452 super fish with quint 450’s but he deleted the generator, sea keeper, and bow thruster options just to save weight. Basically he deleted the re-sale value as well.
It's wild how the weight can affect it so much. Lol on the re-sale value! Sounds like a speed addict with a disposable income :)
Or a drug dealer lol
Oh the joys of having stupid amounts of disposable income huh......
Have a 19ft seapro with a 115 Mariner. My cruising speed is about 60mph....................on the trailer being pulled down the highway. Good video.
Lol :)
I used Gauge Saver to repair an unreadable Lowrance LMF 400. Looks new and they included a gauge bra to minimize exposure when not in use. Turn-a-round was very reasonable. This gauge is hard to find and expensive.
We in the UK are on approximately equivalent per gallon 7$ or £1.25p per ltr £6.25 per gallon
Fuel costs here are 30 - 40 % more expensive, would run the boat for economy rather than thrills or just speed.
I think you might need to update UK marina petrol prices…..
my boat doesnt use any fuel at all at the moment ,! cos were not allowed out , but when we are i will give this a go
20' trophy walk around with a 150hp 2 stroke Mercury. I cruise at 38mph at 3/4 throttle trimmed up as high as I can.
Interesting live data and these are methods everyone can use to fairly accurately determine their own fuel consumption. Thanks well explained! The newer mercs have a type of fuel saving programmed into the ecm. After staying at the same Rev range for more than 2 seconds the fuel mix becomes step for step reduced and the igniting point advanced up to the point of knocking, saving up to 30% fuel! ARO advanced range optimisation.
Enjoy saving fuel for more boating
Yup! Suzuki's do the same thing too :) That ARO lean burn is amazing though! You never know when it's working though, unless you are watching the data on the laptop :)
2016 Tracker targa V20 , 150 mercury 4 stroke, wasilla, AK. Thank you for the informational videos!
135 mercury verado on 20 ft. Mako. Doing 37 mph top end and 30 is my sweet spot, the fuel is about 1.7 gph. Not bad but still not the best. Still working it out. Thanks for the added information. I will definitely be using it. As for the GaugeSaver they are highly recommended from me. Saved me about $500.00 over buying new ones. Had a pair done by them and did a great job considering the shape they were in. Keep up the good work guys. Look forward to seeing your videos each week Arron. Stay safe! Have a great week.
Hi David Smith
Are u sure ur getting 1.7 Gph. What Rpm are u getting at 30 mph. I’m asking coz that is an amazingly low consumption and my boat isn’t very different than urs but my fuel consumption is more than double of urs. And with petrol at $8.7 /gal I’m trying everything I can to improve my economy.
N M how are you doing, hope all is good, yea I’m pretty sure that the numbers are right. I’m not 100% sure of the rpms at this moment haven’t had the boat out in a couple months with this lock down because of the virus. If memory services me I pretty sure it’s about 3400 or 3500. I think I can do better as the prop could use a bit more pitch but we will see. Anything I can help you with please send me a text.
N M. Just thing, double is quite a bit. What are your rpms? Also what about your pitch on your prop. Just seems like a lot of fuel. There are so many questions to ask. Boat weight, motor size, etc. etc.
David Smith
So I have a Sportsman island reef 19ft running a Mercury 115 four stroke (the older 1.7L engine but in great condition with low hours).
The boat when running light is around 2250Lb. My motor is set pretty high and I run a SS Solas Titan HR 4 blade with 19 pitch (seems to be the best prop I can get for my application).
I’m very meticulous about my fuel consumption so I always keep track of my RPM, speed and consumption GPH. My boat comes on a plane at 3600 rpm @ 21mph @ 3.3gph, I usually run at 4000rpm @ 26mph @ 4.2gph. At WOT it will max out @ 45mph
I know the new mercury 115 (2.1L) would be about 10-20% more fuel efficient, but I would still be way off your numbers.
I usually fill up only the fuel that I need to keep her light and remove the Bimini top to reduce drag. So I’m really trying hard to maximize my fuel consumption and would consider any tips to improve on what I’m doing.
N M I am running a 135 verado that is spected to run like a 150. I planes out a bit quicker at 3400 rpms and 19 mph. The Mako is a foam filled boat and sits a bit higher in the water than most. Weird though cause she is some what heavier. I would have to look at my papers but I think it’s around 2600 lbs. I am also using a 19 pitch prop though it’s a 3 blade. I am doing the same for economy fuel, water, top down, etc. I don’t run full out unless I have too. Wow 4.2 gph seems high for your boat. I would think that half that should be the number. 4000 rpms at 26mph is the issue I think. You have power trim right? Try that. Bringing the bow up a bit and work on it from there. Keep an eye on the gph as you do this. I not insulting you. You sound like you knee what your doing. But the numbers don’t seem right for the size of your boat. At 26mph my rpms would be about 3200. Guessing right now but about there. At 4000 I’m pushing 30+ mph. That being said the 4000 at 26 mph is what needs addressing. That’s what is standing out to me.
Had a 230 Sundancer with a 5.0 Mercruiser. Cruise speed was about 23 mph at 3200 rpm at about 11 gph, and a little better than 2 mpg.
I recently downsized from a 24' with 225 Johnson 18gph cruising, to being super happy with my parker1801 and its fuel sipping consumption. I typically get 4.5gph fully loaded at gps 27mph #gaugesaver
Not a power boat guy but does it ever make sense to shutdown engines during econ-cruise? I've seen 6 engine plus centers and cant imagine you need all that motor to make econ-cruise speed.
My boat's crusing speed is around 5kts. Regardless of wind or horsepower. Whether under sail or auxiliary outboard 😂
My dear brother, thank you very much for this distinguished and good work that you are presenting. Thank you for every little and big thing you do. Your work and explanation are distinguished, and you are a good and wonderful man, my brother.❤❤❤❤❤❤
25'-6" Cobia CC with twin Yamaha F115's - Best economy is 28-30 MPH getting around 2.7 to 3 MPG depending on load and sea state. WOT is 40-42 MPH I didn't know when I bought it (used), but the props were not matched correctly. They were both the same size (according to the casting stamps) but I could never reach full RPM on my port engine. It was always 2-300 lower than the starbd.
Took it to a mechanic and he diagnosed a high pressure fuel leak inside the VST and also that the cupping of one prop was different than the other. After fixing the fuel leak I lake tested and was about 150 rpm lower then. I found a pair of matched props 13x17 - 3 blade, put them on and bam, back up to 6K on each engine now. I keep the originals as emergency spares now, and can fix my own VST fuel pump issues :-)
PS - Eric aka UncleBob at Gaugesaver is awesome, they redid all my gauges three years ago and turned out fantastic! I bought some of the rubber covers and they still look good. We are planning a #FPTower trip in May sometime looking for mahi and maybe a stay out there too!
6.5x2.5 centre console boat, with FPT 230hp inboard diesel with Bravo 3, 26knots 3.7g/h 42knots 10g/h.
I have a 260 I/O Merc in my 248 sportsman. Best investment was a gps enabled Floscan fuel totalizer. now i can trim it out to get my best fuel burn. She will only hit around 28mph full throttle and we cruise at 2900-300rpm at 20-22mph burning around 11gpm. The motor rpm tops out at only around 3800rpm though. Should I re-prop to get a higher rpm?
The fuel consumption sounds about right, idk much about the RPM ranges of that engine though, what is wide open throttle supposed to be for it?
4800 wot. I have to check my prop. Not sure what it is
I have an older boat. 23 foot 1999 Kencraft 220 with a 225 HP Mercury 2 stroke outboard. I wish I had a flow meter to see. But I am guessing at 4000RPM I am doing about 10.5 GPH cruising at 27MPH. The boat tops out at 45 MPH @ 5800RPM, which is nuts.
My boat is in mint condition for being 21 years old. Hope you can help me out!
You didn't ask a question! ;)
@@BornAgainBoating it was a loaded statement telling you about my older boat, hoping this RUclipsr would give me the device as a gift. A "read between the lines" comment.... However, you are right, no i didn't actually ask a question.. lol. Where does one get this type of technology to install.?
I had to watch this three times just to capture all the information you squeezed into 10 minutes; it is uncanny!
Wondering if a fuel 's chemical makeup affects gas mileage? Also, wether synthetic oil vs. regular oil lubrication affect milage. Regarding chemical makeup, 10% ethanol seems to introduce problems other than just the mileage of a marine engines. (phase seperation & plastic parts damage etc)
What engine are you running ?? Regardless, buy some Diesel Synthetic, which has additive ZDDP that will make any off-road engine last longer. Go for premium, synthetic oils. Buy Ethanol-Free Boat Gas when you can, and definitely before going "off-season" Or buy "Sta-Bil".
Enjoy your videos.
I have an Intrepid 377 with trip 300 Verados. My boat also has a Marlin tower with hardtop. My sweet spot is around 4200 rpms at 36 mph. At that point I am getting 1.02 mpg or just over 10 gph per engine. Could really use #gaugesaver
Your math is way off . . . unless by saying "just over 10 gph per engine" you mean 11.765 gph per engine. Or, more likely, by saying "getting 1.02 mpg" you really mean getting 1.2 mpg.
1972 Thunderbird Runabout. 50hp outboard. Top cruising speed 22-25mph. Still need to do some more motor trim testing. Thanks for the informative vid 🤙🏻
What about jack plates? Should the jack plate be all the way down or should you bring the engine up that way also?
That is the same thing as the trim, so you just have to play with the adjustment and level. It's the same concept though :)
Perfect timing for this video. I’ve been restoring a 2003 Proline 22 Bay with a 2004 Yamaha SX200TXRC and sending the Yamaha gauges to Gauge Saver is on my list. I am just now starting to dial in cruise speed and prop. I don’t believe the Yamaha gauges provide fuel burn numbers. Cruise is somewhere in high 20s to low 30s mph with the stock prop. She runs 35 mph at 3500 rpm. Haven’t had the chance to run her up to WOT yet. Thanks for the video, it will be very helpful in the coming weeks. #gaugesaver
Congratulations @Kevin Morgan! You're this weeks winner! Shoot us an email to aaron@bornagainboating.com and we'll get you in touch with gaugesaver.com to get your gauges redone! Congrats!
Born Again Boating thank you very much! I believe I’ve responded correctly...hopefully 🤷♂️
Yup! You're all good!
2016 Key West 210 Bar Reef with the 250 Yamaha SHO. First off, I never "cruise" looking for best fuel economy. I know my WOT fuel consumption is around 25 GPH at 65 MPH (6,200 RPM). I usually "cruise" around 4,500 RPM at 45ish MPH. No Idea what the fuel consumption is at that speed. Might check it this weekend.
My boats cursing speed is dictated by how rough the water is :). Hard to get the best if your having to constantly adjust throttle to avoid getting smacked by big waves.
I'd bet that the speed of the cursing is commensurate roughness of the water😂
21 Contender with a 250 Suzuki has a sweet spot between 3500-4000rpm 30-35mph with a top speed of 46-47mph
Buck Creek TV it depends on the boat. Mine at 3200 makes 40mph on a 21.
I booted all my free loading friends out of my boat in favour of friends who understand the costs of running a boat and help with the cost of running mine.
Problem solved😁
Literally just learned my lesson last week. Took three friends and their kids (5 people) our dipnetting for salmon in the kenai river here in Alaska. I paid for gas, launch and they got air BnB and didn’t even think about where I was gonna stay as we had planned to camp. I had to go find a campsite at 10 pm and they expected me there at 6 am so they could get one water before the low tide boat launch closure which lasts 2 hours till tide is high enough. I showed up at 9 😂 took them out and made them all ride in their compact car as I stayed an extra day and so they couldn’t have two of them ride with me back as they couldn’t stay the extra day. I let them bitch and complain and had a great night after they left and a friend of mine who actually understands boating and the next day she drove an extra 50 minutes past her house to help me clean the boat and fillet the fish etc. needless to say those people are gonna have to dipnet from shore next summer and aren’t invited back in my boat.
matanuska high First congratulations on living in such a beautiful place. I have lived in British Columbia all my life 60+ and have fished the whole coast both commercial and sport.
I like how you handled that one and better yet your friend who drives 50 miles to help. She should get second mate status.
Enjoy the summer.
@@MatanuskaHIGH
Well, like the old saying goes, "With friends like those, who needs enemies." lol
Lived in Anchorage back in the late 70's. Saw a turnip at the State Fair the size of a basketball, about 18 lbs. I think from the Matanuska Valley. Any Thunderfk still growing out there? Love your name so I thought I'd ask.
Seal M Thunderfk lol now theres a name I had forgotten.
Seal M well thunderfuck isn’t just one strain of cannabis. It’s basically any good weed coming out of the valley back then was called thunderfuck to sell better and higher price. Being indoor was a new thing in the 70s and people starting growing higher quality compared to commercially available weed it became legend in that way. But too many people claim to have it and they are all different genetics going back to the 70s. Plus there is a lot of better herb around now days. I work in a legal extraction lab running different types of cannabis extraction equipment and also have spent about 25 years growing I can safely say the MTF aka matanuska thunderfuck is more or less a myth and a name given to all types of good weed back in the day.
For me trim tab setting is also important.
19GPH * $4.68 per gallon (What I saw it costs at my favorite place to eat that also has fuel on the lake) comes to 88.92 an hour! That is incredibly expensive!
Try gas at $6.25 per gallon
Whenever I feel like my Old 2 Stroke single 115 uses a ton of fuel, I watch a video like this where it makes me hush my mouth. Smiles per gallon can get expensive 😁 #gaugesaver
# GaugeSaver,
I have a 19' Cobia Center Consol with a 130hp Yamaha on it, Not sure how much fuel I'm burning or my cruising speed as I don't have a gauge for that (yet), and have not checked it by GPS
I have seen multiple engine brands going diesel and with great fuel consumption, could you do a video on diesel outboards?
Haven't gotten our hands on any outboard diesels yet :(
Grady White 265 Express, twin 200 HP HPDIs, 17 GPH @ 3800 RPM, 29 MPH... 250 gallon capacity yields 340 miles with 20% reserve (best case)...
Hi, is it 17 US GPH for both motors combined?
@@sahsat3969 Yea, combined... I get about 1.5 to 1.7 MPG, which gives me a range of about 400 miles, not counting reserve...
@@catallaxy2000 awesome thank you this helps. I am just about to purchase a Grady White 252G Sailfish.
My 2006 optimax I just bought I inslalled them borh the same way. but when I star them up the left one works just perfect, but the other one rpm goes up to 1800 and wont go down. I change the Throttle Position sensor and it keeps doing the same. before I bought them I tested them and they were great don’t know what’s going on with it.
Make sure the throttle plate is shutting all the way, other than that its hard to say
Good video, however you should set the gauges to miles per gallon or miles per litre for a good economy number, since you can burn more fuel but gain more speed and results in being more efficient.
Exactly, liter per hour is not very interesting without taking speed into account.
It’s relative to the boat it’s being displayed on. It’s not comparing boat to boat, it’s all relative to the same boat, every time out.
@@jaredmayer3960 Yes, but the numbers are misleading to many, and takes extra math to become meaningful.
Which is the most economical speed in this example in the same boat: 25 liters per hour at 20 knots, or 35 liter per hour at 30 knots?
Yep, its the 30 knot speed, even though it uses a lot more fuel per hour.
No such problems with a mpg or mpl number, all that you need is right there.
No
@@jaredmayer3960 No what? They video is about fuel economy (as is in the title), not fuel usage per hour. With that kind of reply, it would seem you perhaps didnt understand that?
#GaugeSaver. We will see this summer with the brand new mercury 150 that we bought yesterday. Delivery date soonnn 🤩. It’s impressive to see how efficient a motor can be when adjusting speeds and trim. Never imagined to be that much. Need to invest in a more modern gauge now. Great tips 👌
Excellent video - lots of great info. I've been aware of the benefits of trimming up for years but did not realize it could be THAT dramatic. Unfortunately the gauge package on my 2004 Scout Dorado 175 doesn't report fuel burn and the fuel gauge is incredibly crude so I'm going to have to install some kind of aftermarket fuel burn meter. (Hey, how bout that for a future Tech Tues!). What I did figure out a couple years ago by topping off the tank, taking a two hour run, one heading for half, then reverse heading home, then topping off again and doing some math was that a slow plane of about 22 mph constant, just me, and that full 30 gal tank, it worked out to just 2 gal/HR out of the Yamaha 90 4-stroke. That really impressed me (cuz I'm a cheap SOB... 😎). I'd say tho my normal cruise is closer to 30 mph (WOT gets me 40...) so Im looking forward to recalculating. I just wanted to see how little fuel I could burn that first run.
I have a question, I am looking into buying a 252G 1993 sailfish 5400lbs. Im planning to put twin 150HP mercury 4 strokes on it, anyone know what it would use GPH combined with both motors at a cruising speed. Great video though, learned some new stuff
Have the bottom of your boat periodically cleaned. Growth will cause drag going through the water also.
I agree totally, I keep the bottom of my fiberglass boat cleaned and waxed and the difference in Fuel economy will amaze you by just this one detail, also keeping it waxed will help keep buildup away from the Hull.
4:00 Why pluralize a plural; 3,000 RPM, not 3,000 RPMs
Because I dont know no better ;)
@@BornAgainBoating double negative haha
Does this work with a sterndrive, or only outboard. Is it recommended to adjust the outdrive when under power
My Mariner 150hp still looks and runs as new. Lightly used, fresh water mostly, lives indoors. At WOT, it still goes hard. Will outlast me.
I really like those Mariners, take good care of it.
22 ft Sea Pro CC with a Yamaha 200 HPDI , I'm seeing about 13 Gph at 30 Mph
Do you ever do installs of fuel meters to old school diesel inboards to match to NMEA network? Id loooove to see that!!
Mmmm I don't have a lot of experience with anything like that :/
@@BornAgainBoating am wanting to install into my boat. Running a 150Hp Mercruiser diesel. If you have ANY info it'd be graciously appriciated
Is GPS speed more accurate than the engine gauge speed gauge?
Do you have any second hand Mercury 300hpverado tools? Need a lot.
I don't no, but I also don't sell tools lol everything I have is for sale except for my tools lol
but when the fuel tank is full you won't get that best fuel burn. My old boat had 1000 ib fuel capacity with a 1000lbs of fuel onboard planing would take wide-open throttle to get up on top. But I could cross the great lakes and come back without refueling.
19' SeaPro F/S - E-Tech 115 - cruise speed 28 MPH - 5.7 GPH - slight trim up - top speed 40 MPH - 7.5 GPH
That can't be completely true. You have 4.9MPG at cruising speed but 5.3MPG at top speed. The E-Tecs have good fuel economy, but 7.5GPH for a 115HP engine at WOT seems pretty low to me.
@@wernerfritsch6436 I use Amoco Ultimate 93 Octane gas, that has alot to do with fuel economy, at trolling speed it is .1 to .2 GPH
@@wernerfritsch6436 it is Gallons per Hour not Miles per Gallon
I Was looking online for fuel consumption for my new (to me) motor and I found a guy who had almost the same motor who had plotted his fuel consumption vs. rpm. Great resource. But the funny thing was that his boat must have been really slow or lame, because this thing went from like 12 mph to 30 mph between 2500 and 3000 rpm. That thing must be hard to plane. I hope mine isn't that weak. But his best fuel mileage was around his lowest planing speed ... 3000 rpm, give or take, but it was similar for up to around 4k.
That's normal, and shows that at 2,500 RPM he was "plowing" , not "Planing". Some of the "wakeboard" boats get a third of a MPG at 11 MPH. And the don't care.
Awesome content! Any vids on parking a trailer in a full lot at the launch????
No but that's a great idea!
Simple have the cars towed that have no trailer. I see it alot. 😁
My new boat I have no idea yet still has not been delivered from the manufacturer. My old boat was 3500 rpm at about 25 to 28 mph.
Were both motors running with maximized props to run to their full wot rpm range or with dealer delivered props whichever pitch that might be ?
Yes, I propped the boat myself ;) I'm sure we could change a little though and get some more top end, but we were looking for both holeshot and speed, so it's using ECO's, 3 blades.
Congrats, motor running towards their max wot rpm range factory stated it´'s the way to go when wanting fast hole shot provided that deck load was well balanced previously..
Finally a relevant useful video, great job looking forward to the next one.
I have a question
I have a 17 foot 1996 larson I/O with a volvo penta 3.0 with volvo penta SX outdrive, which prop is the best prop should I used that can give me good speed?
This should help out: ruclips.net/video/_l5mwbHzHBY/видео.html&t
@@BornAgainBoating so whats is your suggestion on the kind of prop you would used on this boat?
i got a 40hp 2 stroke and getting 1mpg what can i do to get better gas
If you have a twin counter-rotating install, then apart from using a LH prop, does the whole engine turn backwards, or is it all handled with a modified shift/cable linkage?
Engine turns same just reverse gear in lower unit
Used tooth past on my headlights and in 20 minutes they looked like new ! You’ll be amazed!
Gas mileage… we do a lot of wake surfing. We ballast the boat so heavy it’s 1/2 throttle going 10mph. We can burn 20 gallons in a 4 hours on a 21’ boat. Would probably be cheeper to go to the ocean where the waves are free, but I don’t like sharks.
2005 20’ seahawk w/ 150ph 2 stroke. Haven’t tinker with it enough to get to the sweet spot. I’ll definitely will pay more attention to it now. Thanks for the awesome video. #gaugesaver
I have no idea how much fuel I’m burning per hour because my boats gauges only work when they feel like it, but I know it’s a gas guzzler lol. #gaugesaver
2000 bayliner Capri, we are out of gas at half tank, apparently redline at 11k rpm, doing 65 mph at idle, throwing -3 volts on the battery, and 15 F engine temp. Gotta love boat gauges, especially old cheap ones lol
North River OS 2300 Aluminum hull w/ 250 Yamaha & 9.9 kicker. 27mph - 3700 rpm - 10.2 gph. This any good?
That sounds about right! :)
My 18footer is very broad and shallow in draft with a 115 ficht 2 stroke. Having hooked up an entire Minn Kota system with an old 105 trolling motor in the bow I simply use the the gas engine to power the batteries from time to time to keep them topped off. I have been looking at jack plates for any next *real boats* as discussed here but power to weight ratio on an engine in addition to durability and simplicity really matter. Not a fan of the Engineering that is a 4 stroke motor at all therefore. Most go with diesels if fuel economy is the goal anyways. Big fan of the old Detroit Diesel 2 stroke as such. Having said that the purpose as I see it with gasoline motors is the same as for a car namely running all the accessories on a boat which are many now. A/C, heating, electrical, a gyro stabilizer you name it a gasoline outboard engine is a very valuable property of any type or condition.
Is that 10gph for each engine equaling 20gph for the vessel or 10GPH for the vessel?
I have a 2005 F115 Yamaha on my 19'6" Seapro bay boat and I was wondering what's the best to track my fuel consumption? I don't have smart gauges and my Garmin 198c doesn't have diagnostics. Do I need to upgrade? Thanks for the videos btw. Super informative.
Um, without buying a fuel management system and Guage, you can just fill up the fuel tank to full. Then keep track of where you can and how far you go. When you get back, fill up again and write all the numbers down in a notebook. Do that for the next 5-10 times you go out and you'll get an idea of what your burning :)
@@BornAgainBoating ... wait - you mean like math and stuff? 😉😉
I have a question my 150xb Yamaha lowers when I'm running in the water I have no leaks any reason my motor is triming down on me. I tried watching you're other video but before I try adding fluid I'm wondering if I'm missing something
See if the manual release valve is loose, you might have to replace it because is sounds like its leaking :) the valves arent that expensive, at least the didnt used to be. Haven't changed one in awhile.
@@BornAgainBoating it was loose. I'll keep an eye on it the next time I go out. Thanks man
Great video as always ! But what can i do, to do this method with analogue gauges :( i have a pair of 175DF suzuki of 2012. Can i connect a C10 gaude ? Or multimedia display ? Any suzuki gurus here ? Thanks !
You don't need the gauge, you can just watch your fuel consumption :) Id say to fill the tank all the way up and then take a trip or two. Try running at say 3500 RPM's or just a steady speed. Then write down after that trip how much fuel it took. Then do that for the next couple trips and you'll get a feel for where to run the boat to optimize your fuel consumption :)
I have a Larson 16 footer I installed a switch board 6 gangs with usb and charging port for phone charger before the gas tank gage was working now it does’t work I traced the withers from the tank to the gage to the battery and they are fine I don’t know if it’s the sending unit or the gage can you help? Thank you.
This might help: ruclips.net/video/sj782kHVGrA/видео.html
Great video, mind dropping a link to that fuel gauge/ meter? Thanks!
Thank you! Sure here: www.amazon.com/gp/product/B000FQ01TE/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B000FQ01TE&linkCode=as2&tag=bornagainboat-20&linkId=4df8bc952af5a75cd87220b85b445ee4
#GaugeSaver 19' Stingray 3.0 (135hp), max 42mph. Cruise 30 mph but this is based on lowest RPM for best speed as I don't have fuel flow. And yes, I've found to trim nose up until she starts purposing.
It seems like it is just an add for gauge saver.
Don't have a digital gauge but will still mess around and figure mine out 19 ft open bow or deep v hull 4.3 v6 MerCruiser
Like your car; stats show that in cities; stop and start repetitions use 33% of a vehicles fuel.
In Europe where gasoline prices are extreme comparatively speaking, the "Round About" intersections employed seriously reduce fuel consumption.
Jack Rabbit take offs in boats as well as cars use lots more fuel.
Tire pressure too.
The boat configuration hull type, the prop type according to purpose and a well tuned and maintained engine, reduce frowns at the gas pump.
Getting your boat "Up On Plane" reduces drag, but with an appropriate Hull to Power combination can be done in a gas conserving practical way.
Boating is Happy Time, whether we are flying down the lake or trolling for our favorite fish.
This demands dependable and reliable and cost efficient.
But in general, poor gas efficiency is often a maintenance issue.
The Number one Priority, was and always will be; Safety.
At times; Other people's Lives are in your hands.
Got a link to that fuel gauge? Great tips
Great video! The editing is on point.
👍🏻👍🏻 love your content
Thank you! If only it didn't take so long lol
Great, and I mean great video. Perfect tempo, really useful information, subscribed and liked.
Thank you!
Sportsman 19ft Island reef with a mercury 115 four stroke set high running a solas titan Hr 4 blade 19 pitch.
On a light load she cruses at 26mph @ 4000 rpm burning 4.2gph. WOT = 45mph @ 6200 burning too much fuel for me to look at 🤦🏽♂️
Watching this post I was hoping for a magical solution for fuel consumption as petrol here in Hong Kong is Us$ 8.7 per gallon 🤦🏽♂️😭, but apparently I’m already covering most points to help with my fuel consumption. Still a comprehensive rundown on fuel efficiency.
Is there a device to put on an older carb engine to check fuel consumption?
You might be able to rig up a Yamaha flow sensor and gauge! The flow sensor just goes in the fuel line to read the flow, then it is sent to the gauge. There might be a way to rig it up independently and show your flow.
@@BornAgainBoating Thank you!
Need help on engine position and prop for single engine 20' aluminum cattamaran
Did you check these out: ruclips.net/video/N_EMx9WwTlY/видео.html and ruclips.net/video/_l5mwbHzHBY/видео.html
I have a 23 ft proline center console, with a 225 honda on it, my top speed is 30 mph and I have a cruising speed of around 22, I feel like it is low for a boat like that, the engine is good and everything, does anyone know if this numbers are lower than normal, or are they ok ?
It really depends more on the propping and the engine mounting height, you might check these out: ruclips.net/video/N_EMx9WwTlY/видео.html
ruclips.net/video/_l5mwbHzHBY/видео.html
Also, what is the wide open throttle range of the engine, is it getting wide open throttle?
Do a video where you test all the different prop brands!
I cruise around 55mph, sea vee z bay boat powered by 2 mercury 250’s
My economical cruise is 3000-3500 rpm, 35-50 km/h, at this speed fuel usage per km remains the same and I average around 1.3km per litre. Boat is a 24 foot half cabin, 23 degree deadrise at the transom with a new Mercruiser 6.2 300hp pushing a bravo 2 leg, 2.2:1, three blade 23 pitch x 17 inch aluminum prop. Boat weighs about 2700 kg (6000 lbs) on the water. I think this translates to 3.1 mpg anywhere from 22 to 31 mph. Fuel is typically $1.50 litre but with the CV19 restrictions it has dropped to 90 cents. Problem is, in my state it is illegal to go boating/fishing/hunting etc....Victoria, Australia 🍺🍺🇦🇺🇦🇺
Funny how you mix-blend Metric with SAE-English !! How the #3LL could anyone spread a virus in the wilderness !! It does seem that once a boat settles on plane and is trimmed out properly - that is the most efficient speed. Except for possibly "off-idle" slow.
@@peterdarr383 mate, our State Premier (Daniel Andrews) is known as the Dictator - he's a dead-set See U Next Tuesday. 6.5 million people got locked up the longest of anywhere in the world due to Dictator Dan's overreach. No fishing or golf, (Dictator Dan said the virus will kill us on the golf course!) couldn't travel further than 5km form home, one hour exercise per day. He needs to go at the next election in November. Thankfully, life is almost back to normal. People still need to be vaccinated otherwise they can't work in govt sectors.
It's funny how imperial and metric are both used in Australia even though we converted to metric in the 60s. The price of fuel was below one dollar when I made the original comment, it got up to $2.60 recently and has settled down to about $1.70 so every extra metre per litre really counts with the boat. Sorry for the rant, I'm still extremely angry at what this govt did to us.
@@Cammo-vp1gl You SHOULD be angry - VOTE THE BUMS OUT !
They're coming for U.S. Gun rights now.
About time for some clean Nuclear energy too - Australia could have the very best equipment in the World.
Great information.... thankyou for sharing !!!.