Search found 3 matches

by hardwiring
May 28, 2017 2:33 pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 23856

Re: Electric Hydrofoil/E-Foil

The only problem with a 100mm motor, is that is almost twice the drag of a 56mm. You'll also need a larger prop because of the drag. I think that the 56mm is maybe the ideal size. How low do you want the KV? Thanks, coming at this with Esk8 experience and I have not considered drag. In Esk8 there i...
by hardwiring
May 25, 2017 7:43 pm
Forum: Electric Watercraft
Topic: Electric Hydrofoil/E-Foil
Replies: 463
Views: 23856

Re: Electric Hydrofoil/E-Foil

Thanks @Jezza great start
I plan on a similar tack as yourself, great heads up on the windsurfer so thanx, but I am going to hunt out a low kv motor and tie it to an big 12s.
Alien power systems offer a 100mm custom KV, I can probably Ali up a supplier also.. GL all
by hardwiring
May 24, 2017 6:12 pm
Forum: Electric Watercraft
Topic: Electric Surf Board
Replies: 462
Views: 98469

Re: Electric Surf Board

Looking at eFr3ak numbers from when he submitted his component list: Performance: Max Power: 9.8 kW (205 A @ 46.7 V) Max Speed: ca. 44 km/h (probably higher as max throttle was never applied for a longer time than 2s) Max RPM (prop) : 6800 rpm Planning speed: ca. 20-25 km/h Power @ planning speed: ...