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range estimates

  1. I need help to figure range before I buy LiFePO4

    Batteries and Charging
    Hello All I need some expert help, I have been doing some calculating and want to see if my numbers are accurate, I used the methods out lined in "Sizing Your Battery Pack" . I would like to have a pack that can handle my 70 KM trip to...
  2. Taking the Thundersky plunge

    Batteries and Charging
    I'm doing it! But... I have 225 ah 144V Trojans. So 32.4 KW. How low of an AH can I go with Thundersky's and keep the same range? I understand I can go lower cause I can discharge them more? And I just found a site that has HiPower batteries at slightly cheaper than ThunderSky's, Which is...
  3. "Fuel Gauge"

    Technical Discussion
    I hope someone can help me with a foolish question: how do I know how much charge is in my batteries? I've just bought a converted 1971 Bug done with a kit from Wilderness EV. It has a voltmeter and amp meter and a capacitive charger. I'd like a simple gauge that will tell me how far till...
  4. Is an electric car for me?

    New Member Introductions
    Hello all, I am new here. I have been pondering building an electric car for years, and have lately heavily considered the possibilty as I now have the means to build one. For starters, I have sufficient mechanical skills- 4 years ago my Brother and I built a Lotus 7 replica basically from...
  5. 94 geo tracker

    All EV Conversions and Builds
    I am planning to convert a tracker with: war9 motor and use the standard tranny. My question is what is the best battery buy for me? 45 (3.2V) 100ah at $4500 and 350lb or 45 (3.2V) 200ah at $9000 and 664lb?????????????? (lionev) I want to drive up to 65mph and have a range of about 60 miles...
  6. Rough Idea of Expected Range

    All EV Conversions and Builds
    I think I read this in one of Electro Automotive's publications, its a way to get a rough idea of your EV's expected range. Multiply your vehicles actual GAS mileage by the weight of your battery pack. For my Mustang it's 20mpg(if I drive it nice) x 1152 = 23040 Divide that # by 420 for...
  7. battery question

    Batteries and Charging
    I've heard that NiMH batteries are the best to use but that they aren't commercially availible (only the big car companies can get them). What about using these; I'm not exactly sure what an "F-Cell" is but they are 12 volts, couldn't you just...
  8. Building Li-ion or Nimh packs using AAs?

    New Member Introductions
    Just watched "Who killed the electric car?" and then youtubed EVs. Finished watching Gav's EV conversion and am now thoroughly obsessed with EVs!! I'm driving my girlfriend nuts with my obsession so I've decided to come here. I'm wondering how feasible it would be to build an EV (converting a...
  9. Suv conversions?

    All EV Conversions and Builds
    Hi guys been trying to find out ome info here on converted SuV's to electric, and i need some help with what equipment to get if you can. I have a cadillac escalade, Ford explorer, and Chevy tahoe that the owners are wanting converted. The weights of these vehicles are on the heavier side...