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  1. Battery Degradation Leading to Loss of HP

    General EV Discussion
    Given that lithium ion batteries degrade with time and energy throughput, will deliverable power also be affected by state of health (SOH) degradation along with capacity? Internal resistance increases as the battery degrades which means output current will get limited. Expanding on that, is...
  2. Looking for suitable motor for custom-built Formula Racing EV

    General EV Discussion
    Hello all, I am a member of the powertrain team for my university's Formula Electric Racing team and we are currently looking for a motor to power our rear wheel drive vehicle. I'm having some difficulty finding motors by just Google searching and was wondering if this amazing community has any...
  3. Research

    General EV Discussion
    Hello! My name is Jack and I’m currently carrying out research for my dissertation with the University of Leeds. The research is around electric cars and I would be very grateful if you have a few minutes to complete this questionnaire. To complete it you need to be a UK resident, 18 or older...
  4. Could anyone tell me why this electric motor model could not be used in a DIY project?

    Ice Breakers
    Hi, This is a sort of electric motor that I can find with ease and at a reasonable cost (the product and the picture is for illustrative purposes. There are tons of different labels that produce more or less the same product). Elektrik Motoru Gamak Gme 160 M 2b 15 Kw 3000 D/d Trifaze...
  5. Wanted Tesla Drivetrain Wanted

    Electric Vehicle Classifieds
    Hi All, I am looking for a rear Tesla drivetrain for a EV project. if anyone is selling or parting out a Tesla please get in touch. Located in the UK and willing to travel in Europe if needed to pick one up. many Thank Tom
  6. Sold Electric motor with mounts

    Electric Vehicle Classifieds
    I have just stripped a Corbin sparrow and i have removed the full back drive unit thats the rear wheel with swing arm attachments ie: disc, brakes, drive pully complete with the belt. so everything you need for a project. everyone knows how quick these motors are and this is all together. i...
  7. Voltage sag Going the last few miles

    Ice Breakers
    Hi. New guy here. I have an electric car with a maximum range of 63 miles. I need some feedback from anyone who has seen the following effects. I want the maximum possible range out of my EV but when the battery is weak (58 miles or so,) acceleration can be a problem. If I hold down the...
  8. Would the EV motor suffer any damge if raced from a cold start?

    BMW i3
    Does anyone know if the motor in an EV would suffer any damage it was driven hard from a cold standing start? (this is not a question about the battery). If you parked over-night at a motorway service station, got up on a cold morning (1 or 2ºC ) and drove immediately out on the slip road and...
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