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  1. jpgey

    Oval chainrings

    Just why ?
  2. jpgey

    Electric Motor Design in the Cloud

    Free trial for 4 days https://www.motorsolveonline.com/Home I have no connection with this editor
  3. jpgey

    LR Big Block and Luna Cargo Frame

    Hello, what does TNT ship to me ?:
  4. jpgey

    Cat S60 first test

    Hello, some pictures from my new Cat S60 (Bosh mid drive 250W)
  5. jpgey

    Folding electric fat-bike

    Hello, some pictures from a friend new bike:
  6. jpgey

    Dolomite frame - Cromotor - 17" rim

    Hello, new built with a Dolomite frame (steel and large) a Cromotor, and 17" motorbike rims. 24s AMP20 pouch cells Majors parts are from this previous built: https://endless-sphere.com/forums/viewtopic.php?f=6&t=44958&start=100
  7. jpgey

    Mongoose Dolomite and Cyclone 3000W

    Hello, I'm starting a new build from a fat Dolomite with a Cyclone mid-drive 3000W.
  8. jpgey

    Inside a 48v 20Ah ALLCELL Matra battery

    Hello, I recently bought a Matra Emo-Xp ( http://matra.com/e-scooter/scooter-e-mo/emo-xp-2013.html ) The battery is made in USA ( https://secure.allcelltech.com/images/stories/ACT/MATRA_Scooter_v3.pdf )
  9. jpgey

    Info about Burgess 90 volts battery

    Hello, while reading the first "Popular Electronics" issue ( http://www.americanradiohistory.com/Archive-Poptronics/50s/54/Pop-1954-10.pdf ) i found they use a 90 volts battery ! Does someone remeber this battery or have any information link ? Others pictures ...
  10. jpgey

    Fix a burned 24fets controller

    Hello, Pete sent me his burned controller (24fets) for repair. The whole story is here: http://endless-sphere.com/forums/viewtopic.php?f=2&t=48311 Édit:deleting the manufacturer
  11. jpgey

    Kokam battery pack - resistor balancing wires

    This is a Kokam battery pack, 37v 16Ah. 10s 3p (cells are SLPB776495) 3 packs of 10 cells. If you look to the PCB you can see 3 groups of 10 resistor in series with the balancing wires. The question: why Kokam use such resistor (is it resistor ?) ? The next posts will include more close-up...
  12. jpgey

    E-Solex upgrade

    Hello, I'm planning to setup a Hubzila on an E-Solex bike ( http://www.solexworld.fr/en/products/e-solex/ ). I need also to replace controller and battery, not a problem. This time i will use Lipo, around 96v 20Ah or 15Ah because the small size rear wheel (17") Should-i go to an Enetrac motor...
  13. jpgey

    Lapierre electric bike

    Hello, I spend so much time reading ES for getting usefull information that it was mandatory for me to show you my new setup. As you can see this is a french stuff and my english is not as fun as i hope ! Anyway, I had started few month ago like all others with Crystalyte HS3540, Ping battery...
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