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    Ultimate Cromotor V4 mod

    We took a Cromotor V4 and milled down the flux ring and the spoke ridges. Titanium bolts, hybrid ceramic bearings. Vent side covers and countersink holes inside cover to slice the air better and T-9 corrosion protection on the windings. The motor is way lighter plus it looks really cool. I did...
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    Throttle cuts out immediately after motor spins for second

    I built and Ebike kit, and it overheated the hall wires because it wasn't well vented. I had the controller checked by Lyen and replaced the hall sensors and replace burnt hall wires. Now when i twist the throttle, the motor kicks on for a second then stops.. I have tested it with my Ebike...
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    Are there any BMS that can handle 26s @200amps-300amps

    I just blew my Bms. I don't think it's powerful enough.. Can anyone help..I have a 26s 84v 40ah lifepo4 pack with a 36fet Zelena Vozilla controller for my cromotor v3 and I had 10 shunts put on the controller so I can get 200+amps to the hub, but I'm having trouble finding a BMS that can handle...
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    My recent build Cromotor v3, 24 fet Lyen, 64v 40ah lifepo4

    I recently finished building an Ebike that I plan on selling different models of but I wanted to post a few performance specs. The bikes was programmed Zombiess parameter designer and I set the rated amps @ 120 and phase amps @ 300 when I have the speed switch set to 115% of the power and my...
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    E-bike cromotor v3, customized, 24Fet Lyen or 36fet?

    I recently finished building my Ebike and thanks to my buddy Edward Lyen I have an amazing controller and thanks to Mark for supplying me with the cromotor V3 it's the best thing that ever happened to my bike.. I started with just a frame and over time kept upgrading parts, I recently painted...
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    Upgrading Crystalyte HT3525 to 10 gauge phase wires

    I bought my hub down at ebikesf in San Francisco and as soon as I got it home I had to upgrade the wires to as big as I could fit without machining a bigger stator shaft. I removed the cover and used a Dremel to cut more metal out of the shaft so the bigger wires would fit past the bearing on...
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    How to change charger output

    I have a LTX charger model: LT250-16L. I notice that there are other boxes on the charger with different model #'s. I recently purchased more cells and would like to charge my 23s lifepo4 pack. I was wondering if I can take apart the charger and change some resistors or something and make the...
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    Connect 48v 40ah lifepo4 to 4 3.2v 10ah lifepo4 (38120s) in

    I own a 48v 40ah lifepo4 and I was wondering if I can connect in series a 3.2v 10ah (38120s) to my pack. and also can i connect 4 of them together to have a 12.8v 10ah pack and connect it in series to my 48v 40ah pack or do i need to make sure that i make the 12.8v pack has 40ah. thank you
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    how to wire 2 batteries in parallel with BMS

    How do I connect my 48v 40ah lifepo4 in series to a pack of 4 parallel turnigy nano tech 8.4ah 11.1v batteries. can i just connect the leads together or do i need diodes or resistors and if so, where do i put them. And is the BMS of the 48v 40ah battery gonna be ok to leave connected to the...
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