Recent content by ferias77

What is fechter ? I hope !

I am looking for a friction drive kit working on the wet. "Sand paper" on the motor is creating tire wear. Rubber on the motor  seems to be a good solution. There is such a kit on Aliexpress for $278 ! Does somebody already tried this kit ...

I used my hub motor during the winter. But now, I want to use my friction drive again, and I need it works on the wet. :wink: I think using an inline skate wheel to replace my aluminium roller. The friction should be really better, without the tire wear of the sand paper solution Dis someone...

Thanks for your reply EngineerDog. I will try sandpaper, but as you mention it, I am worried about tire wear... The solution may be rubber on the roller... I will try to test it.

Do you mean that you have slipping with your friction drive on the wet, even if there is a knurled roller ?

802km with the friction drive ! I didn't have time to make the video. A photo of the complete system : Mounted on the bike : It works perfectly when it's dry. But it slips when it's wet. I have to make a knurled roller, like EVTodd... I replaced the friction drive with my Q100 hub motor...

I try to do it asap !

More than 500 km with my friction drive, and it still works very well. :D No visible tire wear. To be continued...

Thanks Kepler. 100km so far with the modified S06P. To be continued... :wink: I have never done it, but I maybe will change the FET's to avoid any problem. :?

Yeah EVTodd, I begin to understand why you like your friction drive so much. :wink: I made 207 km with my friction drive : 30.5 km/h average and 6.4 Wh/km. Motor and controler stay barely warm. I have modified my S06P controler : 23A max instead of 14... :D I will test it the evening, for my...

I made the first km with my friction drive this morning ! :D No sliping between the roller and the tire. Now I have to test it under the rain. The roller engages in the tire when actionning the thumb throttle I commuted with it to go to work this morning : 22km, 30.1 km/h average and 6.5...

The system is assembled : And mounted on the bike : Now, I have to add a spring loading the roller off the tire in the off position, and a endstop for the off position. And finally, to test it !!!!! :D

After a few holidays, the project continues... I made a little design error in my CAD model... So I had to modify the parts... but now it's OK. :) The bracket is mounted on the bike : All is very rigid. :D Now I am making the swing arm and enstops. With my design, the maximum...

Yes, I don't know how I will do it, but I will add it ! I began machining the parts of the friction drive :

My only concern about this design is the stiffness of the fork attachment. The aluminium part on the left is to prevent the rotation of the system. And the aluminium part on the right can be rigged with washers to fit the geometry. With only one aluminium part, it is impossible to have both...