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Hey, I am looking to build a 1/8 scale hydro. I am looking at the Phil Thomas Hydro and the RC BOATS hydro. I want to electric. Can anyone help me with what motor,ESC,Batteries to use looking for speed. thanks Kerry
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I'm building a RC Boats Hydro with a NEU 1257 1.5Y 850 kv Motor ,ESC is a Swordfish Pro+2 240 amp. Planning on running 2 4S in series and 2 5S in series . -
Kerry,
Are you planning on racing it? If yes, which organization as they have different rules.
If no, what are your goals for the boat? Similar speeds to a nitro 1/8 scale or 100mph+. Do you want to run specific props?
Would you prefer a "top shelf" power system or a "budget" system or something balanced?
Tell us a little more and we can narrow down the details.
-TylerTyler Garrard
NAMBA 639/IMPBA 20525
T-Hydro @ 142.94mph former WRComment
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Race
Yes, I have a 72" cat with twin NEU 2300, castle 240 ESC,25C 6000 mAh 5S1P 18.5V batteries. I would race IMPBA If I do race. I am looking for 100+ for speed Top shelf. No specific prop. Looking at a 44" boat. Just not sure what I need but don't want to over power it. Also not sure what the latest ESC, Motor and batteries are. Thanks Kerry
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For IMPBA there are three legal motors options Neu 15XX series, LMT 22XX series and a Plettenberg 370 if you want run for any record or official race. Any 100mph setup is overpowered in a scale boat. Realistically the most power combo would be a LMT 2280/7 with an MGM 40063 on 10S. Alternatively you can run a Neu 1530/1Y and a Swordfish 300 also on 10S. You will need stout batteries from Dinogy, RoaringTOP or a similar 65C+ graphene cell. 10S1P 5000-6000mAh to keep the boat on the lighter side.
IMPBA allows a few other motors for club racing like the TP4070, HET 700-98, Turnigy SK3 3994 and the Leopard 4092.
You can find the club approved motors here: https://nebula.wsimg.com/f7b28fb053d...&alloworigin=1Tyler Garrard
NAMBA 639/IMPBA 20525
T-Hydro @ 142.94mph former WRComment
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