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mechanical

  1. Technical Discussion
    For my tractor project, I need a reliable and simple way to provide braking, not only for slowing down while moving, but also as a parking brake. I will be using a three-phase induction motor with an inverter to step up 12V or 24V DC to about 270 VDC for the VFD. But it will be difficult to use...
  2. Technical Discussion
    I thought I would see what might be involved in making a planetary reduction drive that might be applicable to wheel motors or as an adapter for a motor so that speed reduction and increased torque might be obtained. Here is what I came up with: This is what I want to make as a working...
  3. Technical Discussion
    I'm looking for a way to make a cheap and easy to build (by theory) controller. I've poked around on the forums and really liked the idea of the mechanical PWM controller (http://www.diyelectriccar.com/forums/showthread.php/mechanical-pwm-46258.html) but it looks like there are too many...
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