Recent content by redline2097

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    Motor for Electric Karting league

    Please read this: https://www.google.fi/amp/s/evmc2.wordpress.com/2014/12/05/controllers-speed-vs-and-torque-control/amp/ "Pure speed control will feed 100% of your available torque to the motor to get it up to the “requested” RPM. (Remember now, volts = RPM, so it’s specifying the voltage and...
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    Motor for Electric Karting league

    You can test your Kelly if you have. I have three. And they are not coming to our high kw builds. For testing you need only lift the wheels up and apply about 20% throttle. Because no load current isn't huge on these motors it should slowly apply Full speed if torque based. Even Kelly set to...
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    Motor for Electric Karting league

    5kw golden motor + sabvoton 72v 200A (200a from battery, 450A phase) controller combo in bulk is about $550. ~2kwh VCT6 cells battery pack in 80v 24ah configuration costs about $1200 per piece. Thats pretty lightweight powertrain, totaling to about 25kg. Kelly controller is speed based. So when...
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    Motor for Electric Karting league

    Actually my 4 year old son is running 4,5kw peak power electric diy dirt bike. We just need the cars to be able to compete with 125cc class in power (20kw peak power) We are using sabvoton 72200 torque based controller with no sin/cos support. So we need hall sensors on the motor side...
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    Motor for Electric Karting league

    Hi! We are starting 20 cars electric karting league to ages 10-14 old. We are seeking for suitable motors. Our highest bet at the moment is HPM5000B golden motor. Is there any better choices under $600 piece? We need it to be capable of: -74v (84v hot off the charger) -7kw continuos power...
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