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  1. M

    Definitive Tests on the Heating and Cooling of Hub Motors

    instead of a loss in conductivity with the higher ml fills, I would propose that what you are seeing is the effects of drag, manifesting itself as less of a delta T. You think it is less heat transfer, but what you have is new heat being generated by the drag of fluid.
  2. M

    mxus 60A KT controller pics and some upgrade shots

    my motor arrived with the white wire, but didnt seem to have the temp sensor installed. If I ohm it out I get an open circuit to ground or the hall power. Anyone know if the controller needs an LM35 or a 10K ntc. Also, my controller didnt have the temp input connected. Anyone know where it...
  3. M

    mxus 60A KT controller pics and some upgrade shots

    This is the same 72v, 59-90v version. You can adjust the regen level with the lcd. So you are saying a new one is coming that will work with a 0-5v proportional brake signal?
  4. M

    mxus 60A KT controller pics and some upgrade shots

    Behold the beefed up traces.. You can see the hall effect current sensor. I believe It could be replaced with a 150A unit, then adjust the current parameters accordingly and this would allow 90A max. I added a second 12awg power feed/ground. The positive side I ran to the other side of the...
  5. M

    mxus 60A KT controller pics and some upgrade shots

    Here are some before pics of the guts of a 72V "60" amp 12 mosfet controller, sold by MXUS for the 3000W motors. It is rated for 30A continuous, 60A peak. This is the highest power controller they offer. The high current traces had some wire tacked on at several spots. It wasn't fully...
  6. M

    Leaf / leafmotor / leafbike high efficiency 1500w motor

    Anyone else have success ordering a custom unit from them? I keep trying to get a quote for a 1500W unit with 4mm^2 phase wires and a 5 turn motor for 500rpm with a 26" 100mm wide rim. Still going back and forth. They keep trying to upsell me to the 2000W motor that is $495.. I dont need...
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