hillzofvalp wrote:I just crossed my data with the simulator on ebikes.ca, and my full speed is about 12% too low in the sim.
There's still a bizarre oscillation... Controller doesn't want to go into full on (no pwm) either. I think I got it to go into full once or twice, but i was going down a slight grade.
So far I've probably put 80 miles on the motor. Soon I will sit down and think how I will do my cooling vents with replaceable caps. This motor will probably get much hotter when I crank up this controller
neptronix wrote:After experiencing the madness of a 20" motor, the largest wheel i'd ever put in a hub motor for a performance application would be a 24".
hillzofvalp wrote:TOday after my ride my motor covers were at around 65 degrees centigrade. Is that acceptable?
methods wrote:Drill holes
16oz of water and a simple temperature controller would rock your world. Evaporative cooling is amazingly effective.
Alcohol would be much better but you have to be careful with debonding adhesives. I really cant believe that this is not standard procedure for hubs around here. Guess someone just needs to make it and show everyone. This is pretty much how you do it if you want to be gangster.
A simpler solution is to just drill holes and use some method to get air moving.
liveforphysics wrote:Fill it about 1/4 way full with oil. Auto tranny fluid. Silicon the side covers on to seal it in. That's going to be the best cooling a hub is going to get that doesn't require boiling water away.
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