another concept with a gearless mini hub motor from conhis in china
the motor was simply added to the elongated drivechain. It pulls really hard whit a 16t sprocket (the 2mm alluminium bar to the front takes this load). The freewheel was just screwed on bsa-threads on the motor, but reversed. That way it drops out when the motor engages.
To prevent this, I screwed a plate at the end with three M3 screws, which worked really fine for normal riding. But when I rised the maxamps to 30, the screwes cracked during a hard bench test
(full throttle, while spinning, full brake):
The coulor of my jeans has nothin to do with my political bias
Six will make the job I guess.
Sadly the enlacement angle of the pedal chainwheel is to small, thats why it slips when pedaling hard
guess a enduro chainguide would solve this. The chain survives longest keeping 180 degrees at least.
It was nice to see how it performed, but it's sluggish at 36V compared to the 80-100. This one needs more voltage. But at more than 48V a 16t sprocket is too big, it would need another reduction stage. Otherwise its quiet and waterproof. The shaft is too long to simply put it in front of the bottom bracket, it would interfere with the crank arms. The shaft could be shortened if I could get it out. Has anyone ever disassembled a gearless motor?
Can't see how this works, removing all of the screws doesn't help... what do I oversee
[EDIT] I know now how to open up the motor. You need a puller. Watch a video about this, search for "hub motor dissasemble" [/EDIT]
BUT this motor is really load at low speeds and high torque. Thats why I sold it in the end.