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  1. M

    Lifepo4 battery needed for qs138 70h v3

    I don't know if you have gotten this thing going yet, but here is some information from a bike my son and I built and I ride all the time. Batteries are Headway 40152S. They weigh one pound each, and are fifteen Ah with threaded connections. Pack is built two parallel and thirty series(2P30S)...
  2. M

    Votol em200/2 chain problem

    A couple of experiments you might try. That chain looks pretty loose, and I would not be surprised if just tightening it stopped that whipping. Compare it to the one you have that does not do that. Make sure it is well lubed as well. See if the sprockets are rotating off center. Looks pretty...
  3. M

    Which + terminal on KLS 8080i

    I have also seen one conversion kit seller with pictures indicating the battery connected to the wrong end of the fuse so always find some way to verify. The way it was shown(battery to B+) would have bypassed the fuse for sure. In pic here red wire is battery positive lead for the 8080IPS to...
  4. M

    Kelly Controller with Motenergy motor problem.

    It was definitely getting to the point of no more ideas except to start replacing parts. So anyway even though I can't explain why it is cured I don't have any problem taking the win there. Thanks for following this issue and your suggestions amberwolf.
  5. M

    Kelly Controller with Motenergy motor problem.

    After some altering of the shield connections and installing a steel box to contain the Kelly controller plugs and breakout box for the Sin/Cos encoder did not fix the problem I then verified that the output of the encoder is in fact fifty ohms by testing. The next thing that got done was to...
  6. M

    Kelly Controller with Motenergy motor problem.

    Excuse the aliasing here between my phone and the scan rate of the scope. But anyway it is just what I read with a meter with center of 3V and plus/minus 1V so from 4V to 2V separated in time by 90 degrees. No regularly occurring noise to be seen. But it will take this kind of thing to rule out...
  7. M

    Kelly Controller with Motenergy motor problem.

    I do have a scope and have considered looking at it. I can install the center stand which I use for all kinds of testing but I would have to hold the rear brake to get a load otherwise it would take a dyno since the scope is stationary and I also would need to watch it. But possible. The motor...
  8. M

    Kelly Controller with Motenergy motor problem.

    We have built an electric Suzuki GS 550. Motor is Motenergy ME1905 with Sin/Cos analog encoder and Kelly 8080IPS controller. Batteries are 2P/30S Headway 40152S for 30Ah and 96V. It has a Domino potentiometer throttle. Has been operating about one year now. Generally works very well, but of...
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