Recent content by zhd

@amberwolf, Thanks for explaining to me, it is very helpful. I know now how i am going to do it if i will do a mid drive system. But after Simonvtr's suggestion i looked at friction drives and they seemed that they would be better for my application. They are cheaper and lighter while being...

Thanks for your input. Looks like i have to use freewheel than. I suppose i have to put it on motor shaft, as putting a freewheel on crank side would be very hard. Reduction ratio will be higher, but no big deal. I will get plenty of reduction with shaft spin conversion anyway.

That is a good idea. But i would like to keep two chainrings in front and use the complete range of 2x10 gearing. But you gave an idea! An extra chainring added to crankset spider from the frame side. There are bolts that fix chainrings to the crank arm spider. If i can somehow machine longer...

Thanks for fast reply Simon. I am from Turkey. I selected my country at register page and i thought it would show. I am checking it now, thanks for letting me know. I looked for local dealers but no luck. These products are not popular here. But there loads of 1000w and 3000w scooters on...

Hi all, newcomer here. I have been reading in this forum for a while, even though i wasn't planning to build an ev back then. It is just interesting fun to read and learn about all this stuff. Very good community. So recently i started to think that i could use an electric bike to commute...