Do yourself a favor and start with a 40X74 motor. Any larger will yes go faster but finding the proper setup and prop will be difficult while your upside down. If you use 4S stay around 2000 kv. 6S and 1600kv will be faster and allow you to use a less expensive ESC since you won't pull as many amps. I have a DF 33 we ran competitively in P mono with a 2100kv 40X82mm TP. Needed an MGM25026 to cover 200 amp runs. Switched it over to our Q/limited class with a 1600kv 40X74 motor on 6S and it ran as fast or faster using a Flycolor 150 ESC. The data logger on the MGM showed 140 amps so I used the Flycolor (Raider). If your setting up for P class use the larger motor and a 200+ amp controller. If you want to sport run use a 40X74 on 6S that will give you all the speed that hull can handle with a $50 ESC. Your call, since I know you won't power it up you can limit your throttle to 80 or 90% till you find the setup. An M445 is a good start and you can always prop up from there.
Mic
Mic Halbrehder
IMPBA 8656
NAMBA 1414
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