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  1. nuxland

    Sevcon motor cuback

    Are someone actually used motorcutback with sevcon and was it working and cutting power/torque? I raced in the weekend and for me it seems that it is not working and I can not see any real cutback. As you can see that at 122 degrees it should give me only 0,4 or 40% of torque. And then linear...
  2. nuxland

    Electric motorcycle from leftovers

    I have in the shelf Revolt RV-160 Pro motor + Nucular 24F controller. Friend had a small rolling motorcycle frame and around 300 cells 2Ah. Came out form bad bms electric automatic lawmower batterys. So I bought already ANT bms and then make a 16p20s battery from these cells. Also new motor...
  3. nuxland

    36V (3x12V) Pb battery replacement

    Got one old scooter to my son who is going to university. But it had 3x12V 12Ah Pb battery inside that only allowed around 12km of range. And the charger was 1,5A, so 8h to fully recharge again. Goal was to put the replacement battery to the same place so I had size restriction. After...
  4. nuxland

    30Ah 28s LiPo from 7s bricks

    Everybody have suggested that I should use lipo-s in my kart. So now I have made a plan to build this battery. And actually there is multiple goals to achieve when building this. 1. It should be lighter than my current ones. 2. I want to use this for my two controller+motor 1/4 mile test insted...
  5. nuxland

    Solderless A123 pack

    Want to build solderless pack and need some opinions. Basically ANR26650M1 cells are sitting inside orange enclosures 10 in parallel. Together the pack will be 32s10p. Connections will be made with 0,5mm thick copper like in this image but 10 in parallel . There will be rubber rings in each cell...
  6. nuxland

    Sevcon config for Revolt RV-160PRO

    Hey Have anybody used this motor with Sevcon Gen4 Size6 controller? It will take me less time to configure if someone is willing to share their config :) thanks,
  7. nuxland

    Zero motor

    Hey Does anybody know where I can buy zero Z-Force® 75-5 or 75-7 motor in europe?
  8. nuxland

    Running 48V motor at higher voltages?

    Hey I have a 10kw 48V motor with a kv of 100. I know that you can not input more current to high voltage motor due the winding wire size, but what about vice/versa? I need to limit motor rpm then, but that is easy. If I run this motor at 72V then will there be more energy wasted on heat? Will...
  9. nuxland

    Faking throttle for torque driven controller

    I have a 10kw motor and 250A controller installed in go-kart. Controller is VEC500 and motor HPM10kw air-cooled. I want that battery current is limited to 200A but in the same time want to be give 250A when needed for short period. I can not use 250A all the time because motor will overheat...
  10. nuxland

    GM VEC500 limits

    I have a 48V VEC500 that is rated for 200A battery current and max 500A phase current. With 48V I can only get 13kw out of my 10kw rated motor (motor max is 20kw) and motor does not even get warm. My plan is to increase my battery by 5 cells, so total 21 cells and nominal is 63V. I know that...
  11. nuxland

    Controller parameters

    Hey Can someone wise explain me some controller parameters for BLDC motors :D I have Golden Motor VEC500 and some parameters are confusing. 1. Max Battery current, this is easy. 2. Rated Phase Current, is this continous rated current? 3. Max Phase Current, max duration. Default values were...
  12. nuxland

    Electric kart

    Took a Tony kart without motor and installed batterys and electric motor. Motor: GM 10kw 48V and 100kv I think. Battery: 16x 60Ah Winston Controller: GM VEC500 48V Motor speed with wheels of ground was 4700rpm. Rear wheel size is 11" :) and theoretically top speed should be 81km/h. First day...
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