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  1. M

    A new style of motor

    http://www.machinedesign.com/motion-control/axial-flux-motors-and-generators-shrink-size-weight It mentions motorcycles and uses a BMW i3 motor in a comparison with the new design. It sounds very promising, but these things often do. cheers, Michael
  2. M

    BMW i3 Batteries

    Here's some detail on the Samsung battery: https://insideevs.com/lets-look-at-the-specs-of-the-samsung-sdi-94-ah-battery/ cheers, Michael
  3. M

    Electric Kart build

    Youngs Modulus is pretty much the same for all the steels so you may want to consider saving some money by not specifying a stainless alloy, some of which are very prone to work hardening and are more difficult to work with if you need to weld on them. If you need a high strength steel (keeping...
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