Dave Daum's latest activity

Yes it is. We live in western Arizona and ride mostly So Cal tracks, and it is hot in the summer months. If the controller doesn't get...

Did you lay down those near perfect welds on you Battery box structure. If those are your work you are one fine welder. I always have...

Here is a short video of the first ride on my just powered-up 2020 CRF 450. Thank you @DonCox and @fmxxx666 for your tips and...

My fastest mode with the EBMX X9000 V2 I am running with a 72V battery is 21.5kw, 600PA 300DCA 60% Field Weakening I am able to ride...

All the brackets are welded, the master switch is installed and I just have some minor wiring to do. I’m getting excited to power it up!

Yesterday I finished the last of everything except wiring the master battery disconnect and resistor. I just need to create a break in...

oh forgot to explain this one: Both values need to be correct otherwise your speedometer won´t tell the truth wheel Diameter in...

@fmxxx666 This will save me a considerable amount of time! My email is dave.daum@gmail.com Please feel free to email me the the...

Ok sure Here you go: Bike type chose surron ultra bee Your QS138 motor After that it will do a motor calibration keep the rear wheel...

Hello @fmxxx666 . Thank you for your kind offer. This is my first EBMX controller installation. I would absolutely love your help with...

Almost ready to power up.

I did install this same size battery from Amorge with the EVE40P cells ( less expensive, only 4000mah but 35-40AH) A couple of...

Here are the dimensions and specifications for my battery. So far Amorge has built five of these for my use. I believe @DonCox built one...

I bought a second 2020 CRF450R roller. I know, one is enough. It is amazing how many blown up bikes are out there. The electric...

Greetings @fmxxx666 I’ve been riding my first CRE with a 13/48 sprocket set. That has worked great. I may start with a 13/52...