Search found 2 matches

by Max Maker
Feb 20 2018 11:34am
Forum: Electric Watercraft
Topic: Looking for planetary gears for 25,000RPM
Replies: 0
Views: 629

Looking for planetary gears for 25,000RPM

So the motor that I want to use for my electric surfboard has a max speed of 25,000RPM. I want to reduce that to 3000-5000 RPM. Can you recommend any planetary gearboxes for that input speed? All the german manufacturers max out at roughly 8000RPM. I am not even sure what would happen at 25,000RPM. ...
by Max Maker
Nov 15 2017 7:30pm
Forum: Electric Watercraft
Topic: E-foil Foil Wing Design Discussion
Replies: 8
Views: 1182

E-foil Foil Wing Design Discussion

Please point out if the following logic is right or wrong. I am not convinced that E-foils should use the same wing geometry that Kiteboards, Wakeboards or Surfboards use. In those three cases, the propelling force acts high above the board. This generates a moment that wants to push the nose down i...