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  1. Electric Motors for Electric Cars

    All EV Conversions and Builds
    Hi all, I was wondering if anyone knows of a good place to find NEW electric motors at low cost. I have been looking around, and have found a few good high power (200hp) motors, however they are prohibitively expensive! (>10k) FULL DISCLOSER: My company is designing a 150hp motor/controller...
  2. How much KWh a Electric Car expense a day

    Technical Discussion
    Looking for a reference , but I do not want to compare with the Gas expense value . my concern it is if I change a car to electric how much will expense per day in one charge once I connect the Car to my electric home measure, please be concerned that the cost of the Kwh can be different from...
  3. New to this and need estimates for costs

    New Member Introductions
    Hey Everyone, I'm super new to all this and am looking to set up a budget for an electric RV or Cargo Van. My plan is to convert a larger vehicle like an RV or a Sprinter van, my focus is going to be on range and charging speed which I am sure are two very incompatible things, given that a...
  4. Cost Analysis for Heating with Battery Electric vs. Series Hybrid Gas Engine

    All EV Conversions and Builds
    I'm in the process of (re)building an EV conversion I recently bought from a gentleman. He suggested that I might want to install a small engine-driven generator to provide heat and supplemental power to the electric motor. These below-freezing mornings have me thinking about how to heat the...
  5. NiMH battery packs

    Batteries and Charging
    I happened to browse the website of Electric Vehicles of Washington, listed as a dealer for the EPjr being discussed, and I found what seems to be a pretty good deal on a NiMH battery pack: $2800 for...
  6. Thoughts on Motors

    Electric Motors
    Hi Everyone, I've been thinking about a conversion for quite some time, and recently came across a great deal on a few motors. I was wondering if I could plumb your collective wisdom for thoughts about whether any of these might work? Motor Manufacture: US Motors Catalog Number: D20E2H Model...
  7. Reasonable performance from SLA (300V, 6kWh, 750lb, $1000)

    Batteries and Charging
    I just happened to find a deal on 6V, 4.5Ah SLAs for $4 each. I figured that I could use 50 of these for 300VDC which would be perfect for my 2HP VFD for a 240VAC 3 phase motor. So that would be 1350 Wh which might be enough for my tractor which takes about 400W average and I could probably get...
  8. 1971 mg midget ev

    All EV Conversions and Builds
    I want to make my 1971 mg midget to electric. I want to have a 40 mile range and a cruising speed of 45. Which motor, controller, battery charger, batteries, and converter do I need? Also, what voltage should it run at? Any advice is greatly appreciated. Also, what would this conversion...
  9. Considering 2001 Chevy Tracker conversion

    All EV Conversions and Builds
    Hey all! Vehicle: A 2001 chevy tracker in excellent condition, donor vehicle that I got for 600.00 it has 50k miles on it. The current motor may have a cracked block, or just a bad headgasket. I havent dug into it yet but it shoots antifreeze through the spark plug hole when I turn it...