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  1. J

    Calculating QS205 motor torque vs. speed curves

    I have been trying to decide what version of the QS 4000W 205 V3 motor would be best for my EV application. I have gotten a couple data sets from the QS sales guy: 3T- (Fast) @ 72 V and 3T (Balance) @ 72 V. He didn't have 4T (Torque) data. My nominal battery voltage is 88.8 V and I am planning...
  2. J

    QS 205 in 10 inch ATV rim

    I am looking to put QS 205 V3 55H motors in 10 inch ATV rims. QS recommends 12 in rims (probably for better airflow): https://www.qsmotor.com/product/4000w-car-motor However, the QS 205 fits in a 10 in rim with about 16 mm of clearance. I want to use a smaller rim and tire to maintain higher...
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