Hi, I build a model of a Glen L Thunderbolt a few years ago and built the full size back in 1966 when I was a bit younger. I had similar problems and because of the weight issue in the craft I did the best I could. Maybe as a suggestion play around with different props as this will be the cheapest option but I must say it looks good in your film clip. Did the full size boat plane at full throttle? Cheers Ian. ๐
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Hi, I also have a 50+ year old fireboat which was refurbished during lockdown. I've installed a brush less motor with a prodrive 35-42 1000kv motor and a 50amp ESc. She goes really well on a plane but I have to be very careful on tight turns and reduced the throttle back.๐
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Hiya. Take a look at my harbourโฆ I restored one of these last summer and documented the process. I fitted an Emax 2815/09 using a 3s (11.1v) lipo and a 35mm X prop. Flies along. If you cannot find that motor on ebay or wherever then pretty much any 35mm brushless motor of 1000kv to 1200kv would be sufficient I would say. A basic guide is that the higher the kv then the smaller the max prop size, but equally if you lower the voltage to say 7.4v then you can increase the prop size a bit. Hope that helps. Oh, do use a substantial coupling as a plastic huco type will fly apart with a brushless motor.
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I know this has probably been asked many times, but I cant find the answer at mo. I built the 34 inch fireboat some 55 years ago , originally fitted a diesel motor(troublesome to start) then fitted a OS 20 with that easy starting and up on plane as should, since then fitted a speed 600 BB turbo electric motor , wont get up on plane. should I go for Brushless set up if so what power motor should I go for to get on the plane with decent run time. Thank you
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