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My EV, it's no Tesla but, if you want something done...

Discussion in 'Electric Conversions' started by JRP3, Mar 2, 2008.

  1. JRP3

    JRP3 Hyperactive Member

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    Starting my first EV conversion that should outperform the Tesla in 4 areas:
    1. Turning radius
    2. Hill climbing
    3. Water fording
    4. Cost
    :biggrin:

    Attex1.jpg

    More details here if anyone is interested:
    Building the AMPhibian
     
  2. TEG

    TEG TMC Moderator

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    Ugh... Brushes... Ugh...

    Have fun with it!
     
  3. domenick

    domenick Nerd

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    Great vehicle type choice. Keep us up to date, please.
     
  4. JRP3

    JRP3 Hyperactive Member

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    Yes, and no regen either, but with the rolling resistance of 6 balloon tires there isn't much to be had, and since it's not exactly a daily driver those brushes should last a looooong time.
     
  5. JRP3

    JRP3 Hyperactive Member

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    #5 JRP3, Jun 29, 2008
    Last edited by a moderator: Mar 13, 2016
    Finally got it going :biggrin:
     
  6. JRP3

    JRP3 Hyperactive Member

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    #6 JRP3, Jun 29, 2008
    Last edited by a moderator: Mar 13, 2016
     
  7. JRP3

    JRP3 Hyperactive Member

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    #7 JRP3, Jun 29, 2008
    Last edited by a moderator: Mar 13, 2016
     
  8. JRP3

    JRP3 Hyperactive Member

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    #8 JRP3, Jun 29, 2008
    Last edited by a moderator: Mar 13, 2016
     
  9. TEG

    TEG TMC Moderator

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    Looks like fun!
     
  10. malcolm

    malcolm Active Member

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    Oh my God!

    It's the Banana Splits!

    I used to love that show.
     
  11. WarpedOne

    WarpedOne Supreme Premier

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    Hehe, thumbs up!

    I d'idn't catch the battery type you're using. Lead?
     
  12. JRP3

    JRP3 Hyperactive Member

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    Yes, Odyssey AGM PC1700. Lead on steroids :biggrin: Vibration proof, spill proof, freeze proof, high current output, 8-10 year calendar life. Hopefully shifting to lithium or something lighter when these eventually die.
     
  13. WarpedOne

    WarpedOne Supreme Premier

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    Looking at all those chaindrives - wouldn't be posible to get rid of some of them or at least shorten them? Maybe it would reduce the noise they are making?

    What is the overall weight of the thing?
    Is it strong enough to houl trees?
    What is the motor power?
    Will you put together a little web report of the conversion?

    Man, I wanna know everything!:biggrin:
     
  14. JRP3

    JRP3 Hyperactive Member

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    #14 JRP3, Jun 30, 2008
    Last edited: Jul 6, 2008
    Check the link in my signature for my blog. Also see John's 1972 Attex 295 for more details.

    It is strong enough to drag logs, not sure how big yet but that will probably be limited by traction before power.
    The motor is a 7.5 inch DC Yale forklift motor modified by Jim Husted of Hitorqueelectric.com, brushes advanced to run higher voltages, up to 120. I'm running 48.
    I have it geared at 16.5 to 1.
    Probably weighs around 700lbs.
    It's 6 wheel drive so the only way to eliminate chains would be with 6 individual motors, hub motors would allow 6 wheel independent suspension with no CV shafts needed. Obviously that would be much more complex and expensive, but someday.....
    Most of the noise you hear when running it is the whine of the motor anyway, which I think sounds cool :cool:
     
  15. domenick

    domenick Nerd

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    Nice work, wovel man. Does it swim?
     
  16. JRP3

    JRP3 Hyperactive Member

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    It should, I took it in water today but only one side at a time to test water tightness. No leaks. May try a real float test tomorrow :eek::biggrin:

    Thinking about the drive chains, I can't eliminate any but the noisiest one is the one from the motor to the trans since that spins the fastest. If I replaced the chain and sprockets with a toothed drive belt and pulleys it would probably be even quieter and the slight stretch in the belt might make the ride a little smoother, plus since it spins so fast that chain throws the most lube around. Not a big deal but something I might play with in the future.
     
  17. TedK

    TedK Member

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  18. JRP3

    JRP3 Hyperactive Member

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    Those Splits were the best :biggrin: Just to be accurate they were driving Amphicats I think, not Attex's. :tongue:
     
  19. doug

    doug Administrator / Head Moderator

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    Oh no, now I have that Banana Splits theme stuck in my head.
    Little known fact: the "Oi-yoi-yoi" part of Bob Marley's Buffalo Soldier was inspired by the Banana Splits' "Tra-la-la".
     

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