Tally Ho runs aground! Prop and gearbox issues.
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- Опубликовано: 24 май 2024
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EPISODE 190
In this episode; After talking about our propeller pitch issues we go out for a second sea trial, and Tally Ho runs aground at low tide. Later, after some other work, we discover that our prop issue is a deeper problem that we thought, and could require changing our gearbox or hauling Tally Ho out of the water again.
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Music;
Carroll Park - John Deley and the 41 Players
Casey Don’t You Fret - Dan Lebowitz
(rebuilding Tally Ho ep190)
There used to be a rule for english sailors who had run aground, to immediately raise a french flag so as to explain the situation.
L O L
😂
😂
@@DontDrinkTheFlavorAid I think that's for mutiny.
That is also why the French wear brown trousers :)
No disrespect to anyone else, as I enjoy many boat building channels, but Tally Ho is unquestionably the most beautiful of all the RUclips sailboats.
That's not disrespectful, it's simply true. The Tally Ho project has gone above and beyond to beautify the elements of the boat at every step of the way
No disrespect taken. You like what you see and enjoy the most. I’m the same but become more attached to this channel because Leo and the guys and girl show all the content 96% of the time unlike other channels who just put a camera up and leave it on Timelapse.
@@LunarEclipsism1 I totally agree. If it's true, you ain't braggin'
My boat is offended by this comment. She thinks she’s quite beautiful also ;)
No competition.
Now that you've run aground you're qualified to be a ferry boat captain for Washinton State Ferry system.
Easy fundraising opportunity. I'd pay a lot more to bop over to Bainbridge on Tally Ho than on a boring old WSF.
If you had told me that running aground was part of sea trials the same way you had me convinced about the front door I would have believed it.
God, that front door gag had so many of us palpitating unnecessarily. Great fun in hindsight, but way stressful at the time, lol.
Front door felt weird but I trusted Leo. The ultimate betrayal.
As I see it, the only real choice is to change the gear box to what it should be. Changing the prop is just short changing the whole system to what it's not supposed to be.
Agreed.
Ditto
The good thing is that Leo now has verified performance data on the current config. That is, hull speed for a given prop size/pitch, rpm and gear ratio. It’s clearly hit near max hull speed at a shade over 8 knots so the current prop is working well and with lower gearing might be ideal. Notwithstanding that larger (current) props are typically more efficient and Tally Ho’s prop aperture has been made to accomodate the larger prop, the prop engineers will no doubt provide optimum combination advice. Me - I’d swap the box if the calcs come out favourably for the alternative ratio if available.
Box.
Shouldn't it require replacing a gear and not the entire box?
By getting her first scratches, tally ho has transitioned from being a restorated museum piece to a real, living, functioning boat. Well done!
My opinion too!
Tally Ho knew that it was going to happen. She wanted to get it over with on a nice smooth bottom, rather than on a coral reef in the South Pacific!
I do this with new motorcycle leathers. I find it’s good luck to roll around on the ground before using them to get that out of the way
Like in the movie Galaxy Quest.
@@knlazar08amen! Well said!
It makes me smile to my bones to watch Tally Ho in the water. And in the silt. xxx
since we dont know all the specific considerations we cant really make an informed opion, but taking everyting we know into consideration, changing the gearbox apears to be the best. especialy since everything else was disigned around that. and im pretty sure almost everyone watching and following wouldn't mind waiting a bit longer for her to sail, we are here for this beatifull boat and these amazing videos, not because we want to see her sail as soon as possible but because we want to see her fully comleted and in the best shape she will ever be in.
In my uneducated opinion, changing the gearbox to what was originally planned sounds like the best course of action. Although lifting out the cockpit already might feel sour even if it is designed to come out.
agree with you.
I'm guessing that they can change the GB without lifting the cockpit. It might be a bit tight, but it will be a good test of the engine room design.
Also, if the whole system was designed for 2.5:1, this prop issue might not the only issue. Better to fix the root cause and avoid other unintended consequences, that could cost more in the long run. You’ve come too far to “cheap out” now.
My dear old dad taught me that the definition of Boat is “a hole in the water, surrounded by wood, into which you pour money.”
Edited to add: she’s a beautiful boat, and you and your team have done a wonderful job on her!
I agree. The appeture in the rudder is also made for the larger propeller so i seems like the best choice to keep it.
I would also assume that the larger prop would work better when using it to generate power when sailing, which the hybrid drivetrain allows for.
@@meldert would there also be a loss of propulsion if it was switched to a smaller prop, even if it were spun at a higher speed?
"If you've never run aground......you ain't been nowhere!!!" DD
I have been motor boating for 45 years and never run aground so wtfu are you talking about.
@@BigWater59 Motor boats don't have 7 feet under the water line.....oh, and as the video said....LIAR!
🤣
Commercial drone pilot here. Have you considered a launch cradle on a stick? Hand catching leaves your assistant's fingers vulnerable to prop stroke injuries.
I've seen other sailors attach a short stick to the bottom of the drone to make it easier and safer to catch.
Never ceases to amaze me just how beautiful a ship Tally Ho is. Well crafted, all lines true and fair. Simply stunning. A credit to all who worked on her and especially to Leo who brought it all together.
I think it’s better to change the gear box to the originals design and specification. It will be a good ‘dry’ run of hauling out the power unit so to give a solid understanding as to what is possible say when your at sea.
That’s probably the best idea, and when you have it disconnected from the prop shaft install a spare toothed drive belt.
And if you designed the prop for that ratio, it'd be nice to stick to the design and not have any other unforeseen issues.
16:32 before deciding, consider which strategy will work better for generating electricity while under sail an light winds. Extra drag near hull speed might improve downwind stability, might it not?
True, but agonizing do over.
Which option gives Tally Ho more power and potential control (ie: safety) of the boat and crew? I would presume the larger prop but I'm a novice.
The propeller is already the correct propeller and was sized to work well to generate electricity under sail. As such the gearbox ought to be replaced.
she sure does seem comfortable in the water. just glides right along like shes happy to be there again.
I’ve got to say that I watch a lot of boat building videos but once they go in the water I kind of lose interest. It’s not because I don’t like sailing, it’s more that the video format tends to become very boring (closeups and close quarters content) you have completely overcome that with your many angles, shots and camera angles. I bet it’s an absolute pain in the arse to film and to edit out but it honestly makes the world of difference. I was genuinely worried when you said you’d be launching that I would lose interest. Keep up the fantastic work!
Hi Leo, shit happens...
I whould suggest you to change the gearbox for 2,5:1. As far as I know, always slower running props are desired because of more efficiency. So it should be short term and long term cheaper.
I hope any professionals can confirm that.
Regards!
I agree. Is not the manufacturer responsible for this “mistake.”
As I understand it for a for displacement hull a relatively large diameter propeller turning slowly is more efficient than a small one turning fast so yes its better go for the lower ratio gearbox . (might not apply to a planing hull )
@@henrymorgan3982 "Communication error" sounds an awful lot like someone requested the wrong box. These things happen on big projects, just gotta grit your teeth and rectify them.
@@henrymorgan3982 The manufacturer has probably taken responsibility for the miscommunication, or at least offered to swap the gearbox for a reduced fee, hence Leo saying that it's cheaper to replace the gearbox, but it takes more work. It's not exactly the manufacturer's fault that the gearbox ratio was spotted at the time it was in the water, that could have been spotted much easier (but it's also understandable that nobody checked this particular aspect).
@@isfiyiywafibc6qaiiiiiiiiii570a large bronze feathering prop is an expensive bit of kit, there's not much economy of scale in that sort of thing, while all sorts of machines use a gearbox, without looking it up I could well believe it is simply cheaper to buy a new gearbox than a new prop.
It seemed so much bigger when you were working on it. Beautiful boat.
Best Contact
Yeah Rusty! Kind of like building a house. You walk the rooms on the ground and they seem tiny. Lay it out on the deck and they get a bit bigger. Put up the walls and they shrink again. That's where both design and construction experience come in, which keep you from freaking out at each stage. Also looks bigger below decks than above, I imagine. OK! Enough of this motor crap; let's hoist some sails!
Right? She looked huge up on the hard, and tiny now that she's wet. Reminded me right away of the old verse "“Oh God, thy sea is so great and my boat is so small.”
Boats are always bigger out of the water ,when you launch them they always seem to shrink a bit 😂😂😂believe me
@@simon-oy6umAnd they shrink again offshore in heavy seas.
How refreshing for a leader (and Leo has shown himself to be a great leader) be so open and candid about problems encountered. Makes for great problem- solving and ultimately much more respect for the leader.
What a wonderful outcome to this seven-year saga - TALLY HO is finally moving like a real boat, and her keel is getting to know the shoals of the Pacific Northwest. Thanks for taking us all along, Leo.
It's good you already ran aground once. Got that out of the way.
Changing the gearbox to be as designed sounds reasonable, as long as the electrical motor/generator side still matches.
my favorite line in the whole thing you may ask?.... well, that's easy - it was in response to a query from Leo as to just one of the details that someone might be able to clarify among the thousands that Leo shares in every episode, and the answer from Patty was?..... "we wrote it down somewhere"!!!
As the adventure continues, unlike big yachts afloat even at Port Townsend, the viewers (fans) have such special access to Tally Ho's interior below as well as on-deck. Wherever a segment is filmed, we enjoy having seen the craftsmanship that created the area, the railing, deck, every square inch. So this new perspective -in the water-lets the adventure continue and is very enjoyable whatever is being done. I hope the series can continue, featuring all aspect of on-board, and at sea life. Thanks for a super feature, can't wait until the next time, prop or transmission.
The hydrodynamics of the hull look great from looking at the bow wave, wake, and smooth trail behind the hull. Those drone shots are great! Very interesting findings on the engine, gearbox, and prop matching. Finding and recreating Tally Ho was an excellent choice. At first I was disappointed in the stubby appearance, but Tally Ho is no slouch in the water and the amount of sail she can hoist is amazing.
Yes , doesn't she slip through the water beautifully ! I too was noticing how full the shape is at the beam going aft and yet she is really light in the bum - releasing with little drag and as you say - no wake astern . Beautiful higher efficient hull for such a heavy vessel . All the wake seems to come from the bows and it's small and short wavelength.
I can't wait to see her really sailing in a breeze.
Watched every video from the beginning as they have been posted. Only commented a few times but liked almost all of them (I forget occasionally). The current issue is a no brainer. The entire design and build has been superb from the beginning so there is no reason to change now. If the mistake on the gearbox was in the order then you must suffer the cost and replace it with the designed one. If the order was correct and the supplier got it wrong then they should replace it at zero cost. Either way the solution lies with the gearbox as originally designed. To change the prop would be deserting the original design in 2 ways, gearbox and prop which is not acceptable. Good luck Leo, I'm sure you will make the right decision. !👌👍👍
Aye aye!
bloody well proper, time to walk the plank laddy my boy who ever grabbed 2:1 inventory and the installer not cross checking gearing ratio needing to be 2:1.5
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So great to see this project coming to a finish, but I will miss the wood working!
So Bountiful
Incredibly beautiful!
Agreed
Not to worry. She's a boat and constant repairs are just part of the game! 🙂
@@knlazar08 Absolutely true.
I liked the comment, "There are two kinds of sailors, those who run aground and liars".
A truly great platform showing off team work, multiple skills and a little humour.
Used to live in Poulsbo and Keyport, had a 13 ft boat with a 9.5 hp motor. Went from Bremerton all around Bainbridge Is. And up to Port Townsend. Brings back memories watching. Boat was all wood but not quite to the specs of Tally Ho. Still……. Memories.
Changing the gearbox is meeting the design specifications. Changing the propeller is a kluge correcting a mistake.
This would be my choice as well.
Yeah. I’m curious why the gearbox isn’t the one they spec’d originally. He said miscommunication but it’s very vague.
I think this is the wrong way of thinking about it.
I don't think Leo ever said that 2.5:1 was a highly intentional design choice. It's possible they could pick from a range between N and M where both 2.5 and 2 are within that range and where there's no advantages or disadvantages to picking 2.5 over 2 except that they had gone with 2.5 and designed the propeller around that particular number.
It's also possible that 2.5 lead to a cheaper but still good design and that 2 would have been more expensive and marginally better.
Now, granted, it may well be a kludge in the end, but I don't think it's fair to say that changing the propeller is a kludge until you know all the facts.
I wonder if changing the gear ratio can be done by just getting a couple of different gears from the manufacturer and installing them in the transmission box they have.
@@davefocgood thought !
Change the gearbox. It will enable better throttle control
Does the electric motor go through the same gearbox? I'd want to test the electric system as well before making a decision.
@@ColinWatters Surely it does. There is only one trans.
@@ColinWatters looked to me to be on the output shaft side of the gearbox and separately controlled, which would mean that the electric drive and sprockets are matched to the current prop.
Leo has a Betamarine 85hp diesel. He needs to get the rpms up to 2700-2800 for max power/efficiency (rated at 85hp @ 3000 rpm). The prop-shaft and propeller are likely maxed out at 1000-1100 rpm since he commented they were near hull-speed. Sounds like a gearbox switch is indicated to get the diesel matched to the propeller better. The electric motors will also charge the batteries better in elec.-mode with a better gear-ratio.
the close ups of the deck are just astounding ....perfection everywhere on this boat , hoping one day to see her racing around a particular famous isle for 50 nautical miles :)
Tally Ho moves through the water so beautifully. What a great boat!
Did you notice her wake? Even at 8 knots she wants to go faster. I can feel it right through the screen!
Tally Ho, 2027!
I'm going to put money on her winning. I'm also going to attempt to buy the failed capstan top casting if possible. Windy Hill Foundry is selling it to compensate the volunteers that cast the new top cap to replace her solidly rusted old top cap. If I get it I'll make a giant clock out of it. It will be the only one in the world!
@@knlazar08 Should make a nice clock that will never crack :) We tested it for cracking with a lot of bullets :)
He who puts it on the mud buys the port. As Paddy says two types of sailors… Lovely to see everyone smiling and enjoying Tally Ho as she was intended!
I've heard it said,
There are two types of sailors: those who have run aground, and those who are lying about it
Well that's me covered then because I ran aground last night. Went to drop the hook and it would not run out. Then I remembered I had just had some work done on the rode and I guess the guy that did it didn't stow the chain neatly enough and it got lodge inside the hawser. So had to put her on the beach in a flat calm falling tide for the night. Consequently, I couldn't set the anchor properly and when the tide rose at 2.00 this morning we went off on a little wander amongst the other boats. Managed to re-set the hook but then found that when the tide returned mid morning, I couldn't get of the sand and while it had been like a mill pond last night, not so this morning with a stiff onshore breeze and a considerable chop driving us father into the shore as the water rose.. Eventually managed to physically heave in enough chain to enable me to get into deep enough water where I could use the engine to rip it out of the sand and motor out into deeper water where I was able to eventually get the anchor onto the deck. Sailing single handed has it disadvantages as well as its benefits lol.
There's nothing like your first grounding, it keeps you humble.
Or at least, humiliated. In 50k NM I grounded twice, both time up rivers with shifting, unmarked sand bars.
I'll bet the gearbox is designed to have many "common parts" both externally and internally, It might be possible to swap the two gears that currently provide the incorrect ratio with two other gear wheels that mesh together perfectly using all the stub axles and bearings etc internally, to produce the required ratio.
It's just a few teeth less on the little driving cog and a few more teeth on the transmitting cog after all,. Externally, the casing and all other parts are quite likely to be identical. A few hours swapping the gears and you're good to go 😁
I was wondering about the same.
might be even less of a hasle if the gearbox is just one single unit they can replace, then it would only be a problem of dicoupling and hauling out the old one and reinstalling the new one, but if the space around it wont tollerate that it might indeed be posible to swap gears, if the gearbox has enough internal room to allow for a bigger gear
You could even swap the gearwheels without taking the cockpit out. I'm sure Patty is our volunteer for this😂
@@jerryf609 Looking at the innards. not a simple swap. this unit has a clutch pack on the input shaft, its not clear if the shaft is splined or pined.
Been watching for many years. It’s so satisfying to see Tally Ho out on the water doing what she does best. Especially with the crew that worked so hard to get her where she is today!
I vote for changing the gearbox so the system matches the well thought through design.
I think he's going to change the gear box. Let's see if I'm wrong.😁
Shirley he only needs to change one gear in the gearbox?
And stop calling me Shirley!😂
@@markrainford1219have you ever seen a grown man naked?
I hope he does make that choice, but you may have noticed, he gave a heart-like to one commenter who made the case for a prop change. That troubled me a bit.
@@llagas6307 I think that he was just be gracious. The "gearbox" vote is overwhelming!
tip. use kevlar gloves whilst catching the drone
Depending on the drone model, I would also recommend inverting the drone immediate after "catching" it... Several models will immediately stop the propellers when inverted.... Model dependent, of course...
A good way to repurpose metal mesh fish cleaning gloves, which wouldn't be a bad thing to have anyway..
Or don't just don't touch the props 😂
@@d_fresh1169 big no no for the motherboard apparently, only the first mini was designed for that.
looks like an autel evo 2 which if i remember correctly has the auto-shutoff functionality.
Congratulations on the grounding.
Got that out of the way nicely (and softly)! Into the logbook it goes.
I vote to change the gearbox.
Thank You for sharing your wonderful life with us.
Something which has always impressed me about you crew is the ease which you cut into things, like cutting the deck for those vents. The first time I noticed this was back when Leo was working on the keel and that near-priceless purple wood.
Measure three times, cut once. You just make sure the cut is in the right place. At times it is hard to see holes put into large sections of lumber that were selected carefully to be continuous pieces.
I remember watching Leo cut the keel (with a chainsaw, as I recall it) and just wincing thinking he'd make a drastic error. Boy, was I wrong! But like you I'm amazed how freely they cut holes and trim all their fine woodwork.
It might seem freely done but it's not. Triple measuring and deliberating isn't so captivating to watch so we don't get to.
@@Grandroborox - I mean, of course they’re triple-checking every measurement and are even using jigs, as in this example, to guide them. But there’s just something intense to me about committing to a cut like that. For instance, the decking he went into was so lovely and had already had so much time put into it, with the boards lined-up just so. Needs must and all, and an unlikely error can be remedied surely, but it’s still admirable to me for whatever reason. It’s something like carving the ear on an otherwise finished marble statue: the tension isn’t so much about the risk of a mistake but how consequential such a mistake would be. For some, even if the risk of it is minimal, the enormity of consequence may stay their hand or at least give them pause.
Don't forget to review the motor/alternator side of your drive system when deciding whether to switch out the gearbox or the propeller. It's likely the unit shipped with that gearbox because it is matched to the motor/alternator side of the system.
Good point!
The gearbox doesn't matter to accessories that drive off the crankshaft, like Tally Ho's. Driving stuff off of the gearbox, like PTO shafts driving hydraulic pumps and such, then the gear ratios would matter a lot. You can check that out on the Fabrats video building a wrecker. They drove the hydraulic winches off of the transfer case's low range gears and they could pull a house... but only at about one foot per hour! 🙂
Go back and watch the second half of episode 115 where they uncrate the engine. Leo pulls the cover on the hybrid drive system and talks about it. It looks a lot like the timing belt on a DOHC V6. The PRM hydraulic gearbox that gets bolted to the diesel output can be supplied with different gear ratios. But that gear ratio combined with the tooth ratio of the drive belt pulley ratio will have to align with the speed range of the twin 10kW motors. So I think that he is stuck with the gearbox ratio that was supplied and will have to match the propeller to the hybrid motor and not the other way around. But for sure it will be fun to see how they resolve it.
Been following this epic project since firs season. Seeing TH moving in the water, gives me bloody goosebumps!
Sounds like you can feel it through the screen also!
All that work and all those skills have truly created a beautiful boat.
Amateur engineer here: change the gearbox to the original spec. A smaller prop would likely be less efficient for low speed propulsion. Also, the original (larger) prop will do better than a smaller one when using it to drive the generators via boat motion. I love the idea of using the "excess" power available from the sails in favorable winds. Once hull speed has been reached, you want to be able to harvest as much electrical energy as possible-the original prop should be better for that.
The drone and camera footage is spectacular......including the NPR Tiny Desk Concert shirt! DD
Brilliant, you have built, unquestionably the most beautiful yacht, a pinnacle of craftsmanship, historic or modern. Speaking of modern, you spark craftsmen everywhere to aim high, very high.
My father had a 40" wooden Sparkman Stevens for Great Lakes and Newport to Bermuda racing.in the 50s and sixties and I kinda remember her, a little leaky after a rock grounding in the Tobermory, Canada. He then traded her in for an innovative plastic Rhodes Bounty 40 at the time, for a couple of Transatlantic Races in the sixties. I was probably born in the focs'le.
In the late seventies, I was a schoolboy and fortunate enough to attend the Pt. Townsend Boat Shows. It was gratifying to know these special boats would be preserved.
After a career in professional multihull racing and as a yacht captain, I am restoring a 1965 20' Lyman, the workhorse of the Great Lakes.
My favorite deliveries are on nice light wood epoxy boats. You feel a connection with the water. Like Dad I built my 55' cat out of plastic ( she had prop problems too for a little while) 1/2 round striping on a male plug with core cell and epoxy because it was a little faster to build at the time, I wish I had gone with wood and epoxy. I may build a smaller one yet, you guys are inspiring me big time.
Bravo, congratulations to all of you master craftsmen, and thank you.
Sorry about your prop problems, but it is so lovely to see Tally Ho alive, in her natural environment. She certainly is a beautiful yacht and I cannot wait to see her under sail. Thank you Leo, and crew. Well done indeed!
When deciding on the prop or gearbox: keep in mind on what the electric sytem runs best on and also the regenarative system runs best. If those two run best on the current prop it may be smarter to change the gearbox ratio! Great work!!!
I would have to agree with what seems the general sentiment about changing out the gear box. Think of it as a great chance to learn and show more about the mechanical aspect of the boat!
Tally Ho motors so beautifully along her lines. Great job on the docking Leo. Thanks for sharing another well done video.
I was in a small regatta once, on a 24' racing boat. The captain took a shortcut that nobody else was doing, and we grounded on a sandbar. He had the crew stand on the bow to lift the transom off of the sand and in about 5 mintues we were underway again.
We didn't win, but the captain did recieve an award for "Excellence in Dredging". We laughed but the Captain was unamused.
For anyone looking for the historical videos of gearbox identification, here they are:
Engine selection:
@27:30 it shows a "PRM500 1:2.57" and the 22" 4 blade feathering prop with a 17" pitch on the drawing
ruclips.net/video/xohxmwPfctg/видео.htmlsi=9p1Pcjva_etADNCL
Engine unboxing:
@16:04 Leo states the expected 1:2.5 ratio
ruclips.net/video/c4UMMQFgmVI/видео.htmlsi=2oAkWTdAM3OJ1eco
Without going into too many technical details, the gearbox change is the way to go..All was designed and installed with a 2.5:1 ratio in mind and I strongly recommend you stick to that...
Labor should not be a huge obstacle, hauling the boat out might create a set of other problems..etc..
I hate to think of all the work to get that cockpit back out. I would assume the engine has to be lifted also.
@@moebeddah2288 Another, may be huge variable which I was not thinking about, is the Hybrid/Electrical system that was added to the Diesel engine..
This might become a show stopper to replace the gearbox with another ratio..I am sure this Hybrid feature was designed to "fit" the engine including the 2.0:1 ratio gearbox..So I overlooked this feature, my bad...
I am sure that Leo in talking to all the affected engineering sources, will come up with a right decision (whatever it takes)
I take it the tacho is calibrated?
Yes. In a year, all will forget about it. Except Leo of course!
@@fransdriesen1311 Frans, I don\t think the manufacturer would design the Hybrid set-up too only be used with a 2 to 1 ratio gearbox. This will limit the use of this system for a lot of end users.
Since the prop design/thinking led the decision on the gear box, it would seem best to change out the gears. Plus, it's less expensive. Great video. Loved the grounding section - been there. Cheers
“Trust but Verify” is the phrase that comes to mind in this situation that you found yourself in. No matter the choice you make the results will be top quality! Like everything that you and your team do!
I grew up cruising in Maine with my parents on wooden boats. Sometimes watching these videos I see some detail that brings memories flooding back.
These videos are just edited so well. Can't wait to see Tally Ho under sail.
Don't sweat the small stuff and remember it's all small stuff! Chins up.
😱 My heart almost stopped as I read the title of this video (although I know that beautiful and sturdy built Tally Ho has a thick board as a sacrificial keel underneath the led keel. 2) To hear about the gear box problem made me kind of sad. I hope that everything will go well and that the correct gearbox will go onto Tally Ho's engine. 3) What Leo said at the end of the video is, amongst a lot of other things, what makes him so great and so successful: "That's not the end of the world. Just got to make the decision and get the work done!" So definitely no procrastination in sight on this channel! 😁 ;-)
As always: Thanks a lot for making teaching explaining recording editing uploading and sharing.
Best regards, luck and especially health to all involved people.
This was a most interesting video! It's slightly alarming that such a small amount of either pitch in the prop or ratio in the gearbox can create such a drop in performance. However, like most things mechanical, it is not beyond the wit of man to correct it, as you stated Leo. The only other thought which occurs to me is that if the engine is allowed to rotate at the stated speed of 2800, will the generator and other systems be detrimentally affected? What about the various pumps and so on...will they run at that increased speed without burning out, melting the impellers, or running the bearings?
She looks beautiful under power, and creates remarkably little wash at both the bow and the transom.
You're absolutely right about ventilation. Added to all you said, there is also the air being used for combustion in the engine, which will also be noticeable when it is not there. An old engineer who worked for Mirrlees once said to me "a diesel requires just four things: lots of clean air and clean diesel, clean oil and a job to do" and I have always remembered this when doing work on diesels, even though this was over fifty years ago. I don't think things have changed much.
Bon Voyage...
I would opt for changing the gearbox rather than replacing the prop. That way you don't have to haul the boat out of the water, which is also an added cost. Tally Ho Leo & Crew! 👍👍
Getting close to 500,000!!!! Hit like, spread the word!!!
Hello farind
Here here!
its great to see the whole team enjoying the fruits of their hard work
I SEE ALL THOSE FOLKS RELAXING ON THAT BEAUTIFUL BOAT IN THE SUNSHINE AND I THINK, THEY DESERVED IT!
I remember helping a friend change the pitch of a Max Prop underwater. It took four tries, but we eventually got it! The boat is looking great!
I did this off the coast of Kodiak once. Middle of the night we rested on the rocks for a few hours. We also turned off all the lights and hid through the night and floated away as the tide (25 foot tides in Kodiak) lifted us off and let us return to port. Not embarrassing to tell the story but so glad the coast guard didn't see us.
Avoid doing that in Hawaii. They'll drain your whole family's bank account and sink your boat.
Let's ALL assist in enhancing TALLY HO's RUclips algorithm, like I'm viewing, liking and commenting from Quakertown, Pennsylvania, USA.
It took me one hour to like all...
Isn't she just beautiful on water? Can't wait for the sails 😍
Presumably the hybrid drive is sized for your prop, so +1 for changing the gearbox.
Agreed. Agonizing, but agreed.
That title caused my heart to drop I love this boat so much it is painful to think of some of the work being undone and delaying the voyage.
Yes I was imagining all that beautiful paintwork being scraped off.
You never worked on a boat before.
It's ok if she runs aground, because of how she's built. Not much damage can happen. It's when you're stuck and the water goes down that things get risky. Also, she has a long time before she's out of sea trials. No voyage any time soon.
Just think of it as Tally Ho remembering that time back in the 50s when a grounding ripped her whole side open. She knows that boats always run aground, and she wanted to get it over with easy, so that the coral reef doesn't happen again. Boats might be inanimate objects, but they still have feelings. I believe that anyway. I've had too many motorcycles, planes, and boats with personalities to think otherwise.
Hey, if you've ever moored a keeled boat at the Haven in Port townsend, you have been on that sandbar!
Such great filmmaking to really draw out the suspense on the departure, knowing that we all know what's coming from the title/intro, then pretty quickly and matter-of-factly get to the point on the return when it actually happens XD
Great Video! It is really splendid to see Tally Ho cutting the water. You mentioned that there was a miscommunication since you designed all the system for a 2.5:1 gearbox but the engine came with a 2:1 gearbox and you are considering both alternatives: changing gearbox or changing Propeller. I must assume then that changing the gearbox will have no impact in the electric motors' power/consumption and charging output?
PS: Nice story: I was sailing in a small sailing boat owned by the French navy with two French Naval officers in South England coast. I had the pleasure to see how we ran aground in River Dart, pretty close to the Britannia Royal Naval College in a low tide, and see how all the 3 roawing boats manned by british naval officer cadets passed beside the boat in their afternoon exercise. Being myself spaniard, every time I've seen my french friends in the last 20 years, I do not miss the opportunity to remind them that the french navy ran aground and 100 english "officers to be" that made a rowing parade to a heeling french navy sailboat.🤣
Changing the gearbox to the original specs may well increase the electrical output of the generators when they are being driven by the propellor (using excess sail power during favorable wind conditions).
Be careful catching drones like that, I had a friend loose the tip of his finger on a propeller.
Yeah, Trevor Bauer of the Cleveland Indians during the 2016 ALCS. We don't need no stinkin' pitching.
I don't think there is any other option on a boat, though. Getting the drone to land on a moving platform is not within its operational capability. I guess you could use a net or something like that.
Maybe you need to look at the Volvo ocean race they were catching drones out the sky with boats moving at 20 knots ,yes different drones but also the boats were bucking around and there was several boats doing it sometimes every day . Bet the first few times it was as sketchy as but I bet by the time the planet lap was up confidence in doing it was just like doing anything on a boat , would suggest the catcher to be wearing gloves though that alone would make a world of difference if a prop was accidentally bumped .. but yea go watch some of the footage especially the southern ocean roaring forties ferrous fifty’s stuff the cinematography is spectacular and all out of reach of any civilians chopper and one of the sailors on board title was obr on board reporter his only job was there to edit collect and publish photos videos and document story’s he was not allowed in put on sailing turning winch handles r running the boat the only job was reporting life at the extremes . I doubt Leo will push the boundary’s these guys did but hey you never know you don’t push the envelope you don’t get the shot and practice makes courage to go the next step .. I’ve seen other tests done yea these small drones might hurt you a bit but there not going to kill you . PSs a mate of mine was on akzo Nobel broke the mono hull speed record for 24hours 602 nm that record might stick for a while that’s a lot of miles in 24hours average boat speed is 25 knots
Congratulations everyone as Tally Ho is beautiful. This is the purpose of sea trials to find issues so this feels like a final hurdle to jump. Love to all. 💖💖💖🇦🇺
don't fret about it! I have personally unintentionally discovered about 90% of the sea floor around Florida in my ketch! I'm the local hydrographic surveyor's favorite sailor!
Hi Leo and crew great to see you all enjoying Tally Ho in the water . I don’t think you should change the gearbox the root cause is to do with the propellor which can be easily solved . Reduce the pitch of the 4 blades and the diameter of the propeller overall to increase the rpm to max rpm recommend . Talk with any prop specialist they will know exactly what to do . Other than that I would have varioprop send me a 3 blade propellor with the same diameter and 1 inch less pitch which will increase your rpm to 2600+ rpm . Hope you get sorted soon and this was of some help to you guys .
Tally Ho just wants to live life to the fullest right out the gate! Can’t wait to see her sail!
loving these frequent videos thanks!
Glad to see no harm, no foul. Plus, you've knocked the new off her hull so full speed and following sea ahead.
It's quite a disconcerting feeling when your keel is bumping along rocks on the bottom, you know the channel is there but you realize you are right beside it.
Gear box change is the better option (no boat haul out). Changing the prop will give a chance to fix the scuffed paint from grounding.
A little paint off the ballast keel is no big deal.
No that’s clever😂..
obviously it will happen to us all . Well done gents . It looks awesome
Dear Leo, NEXT TIME you run aground with "Tally Ho", you should order all crew INSTANTLY to stand on the most backward part of the stern, to reverse the engine THEN. Having crew on the bow while trying to move backwards just shovels more sand under the hull using the propeller stream. Kind regards, Jan (German Naval Reserve (there is nothing worse than having a naval officer aboard sailing, as Tristan Jones once mentioned...) ;-)
Well done for assessing and resolving the situation so quickly.
As see it the only real choice is to change the gear box to what it should be. Changing the prop is just short changing the whole system to what it's not supposed to be.
Speedy boat, speedy crew at 5:22!
Leo may miss those Olympic mountain views when he's back in the Old Country. He's welcome to come back, of course.
One of my favorite parts of watching this whole series as a Washingtonian is seeing through Leo's camera how much he's fallen in love with our little corner of the world in his time here
Been here since the beginning. Hoisting a cold draft for Tally Ho, Capt Leo, & crew. This channel is why I smile. Jolly good on ya!
So now all you have 1 ran aground Check. . All you have to do now to do now is 2 Dragg anchor, 3 hit something and or something hit you. , and 4 get drunk and forget where you left the boat. 5 try to find that annoying noise. 6 take on water. 7 take a large wave ,8 lose items over the side. 9 someone blocks up the toilet. 10 cross the equator.. The experience of a true sailor. Once all of these and a few others have been accomplished and you survived and didn't sink . Then the boat has been truly christened
Скользит по воде как лебедь!!!🤗🤗🤗🥰🥰🥰
The first time I ran our 27 footer aground, my wife was halfway up the companionway. When we hit she shot out of sight. Luckily she thought it was funny. 😅
Wish I'd thought of that for my ex.
@ Sampson Boat Co
Observation of a non mariner: Since the unfortunate communication error leaves you with a correct (as originally designed/planned) prop, and the gearbox change would be more cost effective as well as leaving the boat wet, it seems that is the sound logical decision. I realize there is most likely a lot more at play than you explained in the video, so what "seems" logical, might not be your correct solution. Either way, I'm certain your decision will be the prudent one. Awesome to see how far you have brought the old girl. Cheers!
Stick with your original design-plan for the correct gearbox ratio mate. IM-biased-HO, it's unlikely Leo's 'ordering mistake' because everything about this project has been such smooth sailing; well almost. Anyway I say, "Leo olde boy, go with your original best intention." P.S. Crew & boat together have awakened & uplifted many souls to the timeless great craft of wooden boat building. Thank you & congratulations Leo, crew & extended family. Cheers from Sydney, AU.🤠
No brainer in the long term, swap out the gearbox. These things niggle over time and in the boating world I have found quicker fix on cost not to be wise. Otherwise she is looking and driving well as seen. Best wishes from Hampshire UK.
I like the quiet shipyard moments. Thanks.
I would definitely just change the gearbox. At this point, it makes the most sense just to get it set up how you designed it instead. Also, not having to pull her out is a plus.
Love it Leo “so now we wait” English understatement! if you never make a mistake you are not pushing hard enough! A tad too much tech try swinging a piece of string with a tallow ended plumb bob. Kind regards Tim