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  1. TwisterGripper

    Potentially damaged QS205 motor - opened it, what to look for?

    Follow up to my post the other day QS205 metallic noise between 66-69kph freewheeling. Ok so I opened up the motor - pulled both side covers. No signs of severe heat damage - no burnt or discolored wires/coils - both bearings spin smooth, very little play, well greased. No noise. - Inspected...
  2. TwisterGripper

    QS205 metallic noise between 66-69kph freewheeling.

    (Onyx RCR with 41ah battery option) riding ~1 summer no issues until now. While riding on a dirt trail, coasting down a hill rear wheel locked up or nearly locked up (not sure) - no it was not regen, not touching brakes. no explanation, just felt like extreme braking. after that it rolled again...
  3. TwisterGripper

    testing capacity of Shimano battery?

    Hi all, I'm wondering if anyone knows if it is safe to test capacity of shimano BT-e8020 battery using basic watt meter tool and a resistor for load (Grin 6.8ohm 400w resistor)? not sure if I can treat this battery the same as most ebikes and just connect + and - to the main batt terminals...or...
  4. TwisterGripper

    "Lying" to the Kt LCD3 display on P1 to gain max speed OK? why?

    (specs at bottom of post) Hi all, i have searched and searched but could not find the answers... Just finished this build and found top speed on flat ground approx 36kph with the motor magnets (P1) set to 50 as directed by KT Manual. I was a little disappointed - was hoping for 45kph. But if...
  5. TwisterGripper

    Pls help - choosing suitable replacement BMS for 9pin Genze samsung 9 pin bms

    Hi all, this is my first time replacing a bms so learning as i go. I picked up a Genze 101, it has a samsung sdi battery pack, which the bms mysteriously died over the winter...tried the wake up trick, everything. pack is charged, but no output...pretty sure the BMS is just dead. BMS is "Alton...
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