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1974 VW EVThing

Discussion in 'Electric Conversions' started by sranger, Dec 31, 2013.

  1. sranger

    sranger Member

    Joined:
    Dec 22, 2013
    Messages:
    100
    Location:
    Kennesaw, GA
    Here is my converted 1974 VW Thing.

    Best_In_Show_EVCCON_2013.jpg

    It has a 120VDC / 650amp HPEVS Three phase AC-50 motor and Curits Controller. It works out to about 80hp. It made 74hp at the rear wheels on a calibrated dyno in third gear (1:1). I has a 20Kwhr LiFePo4 battery pack. It has about a 70-90 mile range depending on temperature and speed. It will do 0-60 in about 10 seconds. It still has a clutch and 4 speed transaxle. The ring a pinion has be updated to a higher 3:44 set to make better use of the 110ft-lb of torque. The max speed is around 80mph in fourth gear. It uses a standard J1772 charging port.

    I fully restored the car and converted it to electric drive in about a year.

    You can see all of the details at: http://www.EVThing.me
     
  2. Crispix

    Crispix Member

    Joined:
    Jun 24, 2013
    Messages:
    245
    Location:
    San Diego
    Wow. I'm beyond impressed. That's a sweet ride! No wonder it took first place! I'm a bit surprised it still has a clutch -- I don't quite understand the physics of why some EVs benefit from gears while others like the MS are in a single gear.
     
  3. sranger

    sranger Member

    Joined:
    Dec 22, 2013
    Messages:
    100
    Location:
    Kennesaw, GA
    The short answer is that is only has 80hp. The 110 ft-lb of torque is not enough to accelerate the car very fast in a higher gear. The gears greatly improve acceleration.

    Also, since it is a conversion, it gives you a very effective emergency mechanical disconnect from the motor if needed. You hope nothing will go wrong, but Just In case....
     
  4. scaesare

    scaesare Well-Known Member

    Joined:
    Mar 14, 2013
    Messages:
    5,666
    Location:
    NoVA
    Spectacular build sranger!

    Thanks for sharing that... very impressive.
     

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