Choose The Right Brushless Combo For Your Rc Boat - Blackjack 24 Motor Swap
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- Опубликовано: 2 фев 2025
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SPEKTRUM 3S 5000MAH 50C
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Dynimite gps
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90a flycolor
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Dynimite 3674
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Dynimite 120a esc
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I couldn't find a link for the motor I'm running a turnigy 3665 2100kv, links for everything else used in this video.
Hope this helps you in your hobby.
Thanks for watching IRONCLAD RC TINKER TEST AND TUNE EVERYTHING
Personal contact information ironcladedout@gmail.com
Another fantastic video Big B 👏
This just shows the fun we have with so many variables for RC boats. Motor size, motor Kv, ESC amps, battery voltage, hull size, boat weight, prop size & pitch, hull type, strut length & angle, turn fin depth & angle, trim tab size & elevation... geesh I could go on!
All the number crunching you do to get all the variables right is just your baseline. The only true way to determine whether you've got it right is to get the boat on the water and "tinker, test and tune"
Long may you continue doing just that brother, and thanks again for sharing your expertise.
You may just be my twin brother from another mother 😆 thanks Steve.
That's some solid information, it all makes sense👍👍 thanks for sharing so much with us
Awesome vid! Gonna make me buy that 24! Will be interesting to see 2 blade vs 3 blade props on that boat, I’ve got some new 442 CNC 2 & 3 blades to test on my MTR, hopefully this weekend!
I've got the same size & pitch 2 & 3 blades for it im kinda interested myself
Great video again. General question, what is the stance on 2 bld vs 3 vs 4. I am speaking hydro, mono , cat and rigger. Thanks, Jeff.
3 blade has more surface area so it get a better bite in the water low pitch better take off than a 3 blade high pitch more bite at high speed. Basically. There more to it than thus
Nice video man. I’m running the same 1900kv and a 120a in my px16 and I ran a stock ul19 prop and I’m stuck at 58 mph but I wonder how the 1.7 1.6 high rake would do on the BJ24
I've tried that prop and it's a little big for the boat it torqs the whole boat over to the point it flips when throttled up. A Subscriber mentioned moving the strut up so there isn't as much prop in the water with the big prop on. I may revisit the ul19 prop one day here shortly and try moving the strut up?
@@IRONCLADRC well I’m sure you will find what works best for it. Keep on tinkering👍
When I flew a lot of electric airplanes, we would calculate Watts per pound and have a pretty good idea of what to expect in the way of performance. In a way, what Big B is demonstrating here, is that formula can be applied to boats as well, BUT......... The way a boat reacts to its environment is much different than an airplane that has the same thing (air) in every direction. Riding on the boundary between the air and the water throws so many variable into the performance calculations to make them useless. FE Calc and similar programs will get you close, but the only REAL WORLD answers will be testing as Big B demonstrates. In calm conditions, I like small and light. In heavy seas, big and hefty might be better. That's why I like the boats. Every run is a challenge.
I know the test didn't have no rhyme or reason other than having the big motor and esc laying around and wondering what would happen 🤔 why not right. Took 15min to swap motor/esc why not. Thanks for helping others sift through my Bs rambling. Lol.
With the bigger motor running you need to move your batteries forward to bring nose down so you can lay Dwn Da power basically same speed but running cooler
Thanks brother
My rough, and i mean ROUGH, understanding Of motor KV ratings is roughly revolutions per volt. if you're running the same voltage battery a Higher KV rated motor will give you a higher top end, Amperage of the esc is a rating of the amount of current the esc can handle not an output rating but a potential current rating, but the current is determined by output and Load on the motor. say you have a motor and boat that draws 50A the lowest amount of ESC rating should be 50A but it would run the same if it had a 60A or a 120A ESC because the motor can only draw what it can draw.
Hey man I got some questions for you. I recently picked up a used Blackjack 24 and it already has a brass prop on it.. 1st time out it melted the deans connector. I'm thinking the prop is way too agressive for this boat. What's a good stockish metal prop I can put on it. I just ordered a new liner and flex shaft because I believe it's a bit worn because out of water it sounds god awful even if I grease it. Can you help me out. Also side note I made sure the cooling was working as well. It had a good stream coming out the side while I was running it
Tfl 438 is my go to prop for the bj24. Upgrade the deans to an ec3 or ec5,
Awesome video Big B
Cool video! I wish pro boat made a version of this 24" model, but self-righting(and mono-hull), so I wouldn't have to jump up to the sonicwake. Is there anything like that in the bj24 price range before I pick up a sonicwake? I can't live without self-righting at the moment.
Not that I know of? Wish I could help
There used to be a big fat 26” proboat like a recoil but bigger.
Recoil 26”! It may be discontinued but I used one at a beach in 6 foot waves, it was a blast! Hope you can source one
Sr85
I've got a 17 recoil fun little boat. The 26 is a beast 💪 hard to find but I see them on ebay every now and than
HI BIG B. I ALSO WENT TO TIM"S RC CHANNEL AND I AM THE SECOND SUBSCRIBER.👍
He's got a few nice boats. 👍
Are you running this boat on 6s. What prop are you running? I have the big motor and esc out of my SW in this same boat after I converted it to a 40mm.
38mm told prop
Whtat i need lipo battery can i buy match for 3660 brusses motor sir? How many volts
Need to know KV and battery choice
Hi good day sir, new subscriber here. I would like to know sir if it is ok to use a 90A flycolor esc for 3650 5900kv surpass hobby motor? and what ideal boat size for this set-up? thank you in advance
That's a high kv motor, I think the 120 flycolor may be a better match, that kv would work on a 20-24 inch lightweight hull on 2s or an outrigger style hull.. Thanks for subscribing. Boats like lower kv motors lots of load, higher kv you'll need to stay with smaller props, always check temps.
@@IRONCLADRC thanks a lot sir
Why not f1st up just out the bigger esc in, c how that goes, then swap the motor, & lower esc, bigger prop, bang a 2,3,5mm bigger prop on & then check speed but also temps. Those r the main things I check in all my boats, & 4 me temp is the most important, if it goes like a jet but u can only do 1 or 2 runs b4 it cuts out or u desolder connectors. Also as u stated torque roll is a big factor, & a hull will have a Max prop it can take & handle, that is also dependant on the setup u run. It's a fine line between fun & flipping it. With cats u can really load 1 side with battery & leave other without, stopping torque roll. But on small boats over proping is a big problem especially in chop, the hull is leaving the water under acceleration & it rotates on the prop. Monos handle it better cos they can full roll, cats just end up bottom up, & it's swim time!! LoL. Good vid, from a great advocate 4 rc boats, ur videos r always with the watch & u share all the knowledge u can, 4 that I that u.
How do i know how to setup all the black wires from the 150A to a Rocket motor that also has all black wires?
The middle wire on the esc & motor usually goes together, the two out side wire are cross compatible, you can switch those 2 wires and change motor direction..
So what combo have you had the best results with ?
The turnigy 3665 2100kv and a 90a esc with 3200mah 3s 100c 6s. The boat handled well pb was 63 mph with a 38mm tfl prop
Has anybody done any upgrades for Pro Marine MTR
WOW MY FRIEND 👌 👌
Is that dynamite a 540 or 550 size?
550 I believe. 3650 2000kv
@@IRONCLADRC not sure if a 550 would fit my Traxxas Blast…looking for something more powerful than a trashy Brushed 20T
3650 will fit fairly certain maybe do a few mods and make it fit. 3650, 90a flycolor cheap but fast set up
Or you could run a 29 seres motkr like a 2958 3400kv'ish & 90a flycolor
The only issue is with keeping the same prop, if you put the UL19 prop on it the Sonicwake motor would be faster. Try an ABC 1614 or 1619. I think OSE has 1 left. Lol
I've tried the u 19 prop on that boat before, I literally flipped the boat on every throttle up even with the battery's down in the sponson. I've got a few props coming that may be better? This Test was for fun.
@@IRONCLADRC Raise the strut, it'll let the rear settle down with a bigger prop. I'd 100% always run batteries in the sponsons unless it's a huge pita lol
Roger that I will try raising the strut with large props. Didn't really think about that I appreciate it
You can probably get more with a higher kv 3660
I've got a 3560 otw that's what's cool about smaller boats the electronics are super cheap. 👌
My bj24 runs 6S with 3200kv. It’s pretty savage
Oh yea, higher kv is the ticket with this one. I've put a 3500 3660 in mine and it was a monster.
I appreciate this video but the one thing you didn’t do is show what would happen if you just changed the ESC!
I have been told that this is what I need to do to achieve a faster speed.
Oh yea a 90 Amp fly color is perfect for this boat with the stock motor mount the esc right in front of the motor you'll need the extra weight forward. Stock motor can be run on 4s and 6s
u didn't tellme it could be the esc
Not sure what your referring to buddy? A little more information would help
sry big b When you get your new charger, I'd think about getting another set of lipos make sure your charger has a discharge and never over discharge your never
i didnt get new batteries but they all been good cells so far
That’s all good and all, however could’ve had respect for those kids with their grandpa fishing, whole other side over there.🤷🏼
The father had corks w/o hooks on the boys rods just letting them cast, I was leaving as they were getting there the dad was cool we talked for a while after I packed up. Quick to judge brother, to quick to judge!
The smaller motor with the higher kv will be faster with the smaller prop. You need a bigger prop with the bigger motor. That boat cannot handle the potential of the bigger motor.
This Test was for fun really. I've put 42 & 43mm props on this boat with the 2100kv motor the motor actually took the big prop its the actual boat that will not take the big prop. Hopefully 1 of the 5 props I've got on the way will get the boat a higher speed ??
I wanna see the ul19 hit 70mph+
Me to brother