I suppose that this question has been asked a multitude of times. I have a 28" mono of an older design that I am converting to 3/16" stinger drive. The purpose of the upgrades is purely for "sport" running and if 60 - 70 km/hour is achievable then I will be happy.
I am thinking along the lines of a Leopard Hobby 3674, around 1700 - 1900kv, pulling around 80 amps coupled to a Hobbywing Seaking 120 amp ESC and running on 4S cells (3300 mamph/4S/40C or 60C). With 25C discharge I could go to a 3700 mamph battery. Propellor to start testing I was thinking a two-bladed Octura 40 mm diameter with 1.4 pitch.
Any suggestions please. I am limited in that a LP 40XX series motor is too large to fit and I feel that larger than suggested may simply make the boat uncontrollable. Also, I wish to limit myself to 4s voltage.
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