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  1. E

    An excellent battery system primer

    https://www.youtube.com/watch?v=kafFlc7ZK_0
  2. E

    Recommendations for custom pack manufacturer?

    I'm looking for a QUALITY manufacturer of 18650 or 21700 packs. 72v (20s) 40 - 60Ah 200A continuous 300A 1 min peak BMS with serial/can I'm more interested in quality and reliability than price. Any suggestions welcome. Thanks!
  3. E

    Display for 72v BAC8000?

    Hello All, I wouldn't be surprised if this is already answered on here somewhere, but I couldn't find it, so be easy on me :) I have a BAC8000 with eggrider V2. For the life of me I cannot seem the get any useful info out of the eggrider. The display shows voltage as 12.4 which is the supply...
  4. E

    The E-Gull

    I've been wanting to share info about this project with the group, but I wanted it to fly first. This is my new plane the E-Gull! A conversion of the awesome ThunderGull combined with a Zero Motorcycles powerplant. It flies even better than I hoped! https://www.youtube.com/watch?v=6EfOvA4ROpU
  5. E

    MiniMoto SX Electric domination

    Main (from the stands) http://www.youtube.com/watch?v=yx_ai5Y-bSI Main (from Trevors GoPro) http://www.youtube.com/watch?v=0-K4aootsJA 1st Practice http://www.youtube.com/watch?v=cUtkiO_ke-I 2nd Practice http://www.youtube.com/watch?v=AYsr7VISDts More Practice...
  6. E

    Effects of C rate on Cycle Life for LiPo?

    Just curious if anyone has any good data on how running LiPo's at less than their rated C, and possibly capping the charge and discharge voltage limits somewhat, can effect their cycle life? A LiPo vendor has quoted me approx 300 cycles to 80% capacity at a 100% 30c discharge. I am only going...
  7. E

    Mars ME1003?

    Anyone have any experience with this motor? Looks pretty sweet. http://www.marselectricllc.com/me1003.html
  8. E

    Need a 50-100kW motor

    Planning a rediculously fast race bike. We're looking for a 50-100kw motor. Any ideas?
  9. E

    Perm PMG132 at 116 volts?

    Whaddya guys think? I was told they've been up to 140 volts.
  10. E

    Reviving low voltage emoli cells?

    I have come into a large quantity (1000's) of under-volted emoli 28650 cells. Many cells are under 1 volt. I'm hoping I can recover some useable quantity. Is there any market for "b grade" cells? Even a 50% li-ion cell is still better than other chemistries. Any thoughts on the best way to...
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