e29er build thread

[jasonf150]

so the way the image is wired is correct then?

[docnjoj]

It looks like it but it is hard to tell where the wires go on the bulbs.
otherDoc

[jasonf150]

So I have my new 12fet 40a controller installed from ebikes.ca (they also did my motor). What's strange is it seems my CA is reporting incorrectly on this new controller. For instance, I ride an identical path to and from work every day. On average, I was using between 6.5 to 7aH and about 340wh on my 11.5 mile commute. I've done 4 rides now on my 40a controller. And my "mileage" is better?!? Doesn't make sense right? I have a 9.2aH LiFePo4 from cellman. Over these last 4 rides I used between 5.6 and 5.9aH, 290wh. And on my ride home last night, at 5.991aH, my battery's BMS cut it off. So is my CA showing incorrect information? What would cause that? I bought my initial 25a controller along with my motor, so is there some sort of calibration they do that hasn't been done on my new controller?

[LandKurt]

The CA has to be programmed with the proper resistance value of the shunt inside the controller. Your new controller likely has a different resistance value than the old one so the CA isn't calibrated correctly for it. You need to find the resistance value of the shunt in your new controller in milli-Ohms, hopefully written on the controller, and program it into the CA as the Rshunt value under the Advanced Setup Menu.

[jasonf150]

Thanks!!

[jasonf150]

So I'm tyring out a new "battery box". I know I'm not the first to come up with this idea, but it's at least new to me. I screwed a shelf into the water bottle stays, and sat the battery on it. Then used VETRAP to wrap it all tight. The nice thing about this is that most of the cables are along the top under the wrap. The pet store I went to didn't have black so I went with white. Since it's only $2/roll, I'll just get black next time, or maybe cammo (it'll probably get dirty pretty fast). There's 3 rolls on their now. What do you think?




I'm also experimenting with a different way of mounting the controller and taillights. That board with the lights is just held in place by the controller. It probably needs it's own mounting though. It also needs to be painted black, but I wanted to try it out first. And I need to reverse the screws/bolts because when my leg is straight down, I can feel them.