Recent content by ben--b

Thanks Larsb for the info. I missed your Rieju thread as it was in e-bike section. I was aiming at 90km/h speed target with FW. I found a huge 70t rear sprocket so could choose a 12 or even 11t front. I'm afraid it will be very loud with such a small sprocket ... umh, maybe I'll directly switch...

For sure the suspension behaviour will be affected but difficult to predict how much and in which way to anticipate the modification on the shock. Field testing will tell ... I'll have to modifiy the frame to have enough room for my pack, but only the lower small tubbing part of the frame. There...

Hi, I've seen several 50cc conversion topics on ES that seemed very attractive to me . So I decided to give it a try myself. I bought for a few bucks a 50cc moped with a dead engine and removed all the guts. Found on ES 2 PEHV battery module to make a 72V 30Ah pack And purchased a QS138 3kw...

Hi, aerodynamics of bicycle or motorcycle is awfull. you can make the same observation if you compare a 300lb motorcycle to a 3000lb car, both will draw similar power at highway speed. But I think something is wrong on the curves. For example for the Tesla model 3 at 40km/h, the energy...

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No, no, the parameters are stored in the controller. The display is disconnected when programming ... At least on my setup.

Seems so . In fact I just shared what I learned from other people on french cyclurba.fr forum. I confirm. I can read the parameters, change them and write them back and my unit is still working ... I have a 36V18A BBS01 bought in august 2013 from CNEbikes with a C950 display. Seems that...

I bought a similar USB to serial cheap (1.5$) converter and made my programing cable with a jst-xh 5pin plug. I had to install a driver for the converter to work properly. You just have to know the chipset ref and it is easy to find online. Rather than trying to find the same 5pin connector as...