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New Electric Fan

Discussion in 'Performance and Tuning' started by Dark Knight, Nov 24, 2008.

  1. Nov 24, 2008 at 8:19 AM
    #21
    Dark Knight

    Dark Knight [OP] East Bound and Down

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  2. Nov 24, 2008 at 8:32 AM
    #22
    HerNameIsLucy

    HerNameIsLucy I miss Lucy. :-(

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    RIP Lucy.
    She's gone but not forgotten.
    that hotdog, he's good

    i'm doing some math here, since i'm bored. correct me if numbers are wrong.

    i read the stock fan drains between 5 and 15 horsepower from the engine, depending on stuff like temp of the clutch fluid, engine rpm, ambient air temp, etc.

    that fan says it uses 18 amps. 18 amps x 13.8 volts is 245 watts. one horsepower is 745 watts. so it's using about 1/3 of a horsepower, which should be the extra power the alternator needs to make that 245 watts.

    so by going to the electric fan, we could put 4 2/3 to 14 2/3 more horsepower to the back of the engine.

    that's a heck of a gain!
     
  3. Nov 24, 2008 at 8:34 AM
    #23
    007Tacoma

    007Tacoma I dub thee malicious!

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    Wow... I like that math! :thumbsup:
     
  4. Nov 24, 2008 at 8:37 AM
    #24
    HerNameIsLucy

    HerNameIsLucy I miss Lucy. :-(

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    RIP Lucy.
    She's gone but not forgotten.
    best part of it is that extra power would be seen at low RPMs, since that is when the fan is draining the most
     
  5. Nov 24, 2008 at 9:11 AM
    #25
    Dark Knight

    Dark Knight [OP] East Bound and Down

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    I'm not great at math but I like how that sounds too!
     
  6. Dec 26, 2008 at 3:48 PM
    #26
    SC4333

    SC4333 Well-Known Member

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    SOLD!

    I do not have the formulas on hand, but rotating mass should also be taken into consideration. Rotating mass, whether it be in the drivetrain or an internal/external engine component that rotates, has on average 3 times the effect (in ET terms) that dead weight has. I know this from the racing days. If there is a mechanical engineer around, they should be able to throw some more accurate data on the rotating mass.
     
  7. Dec 26, 2008 at 4:07 PM
    #27
    Cobra69

    Cobra69 Well-Known Member

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    I'm doing the conversion soon as i can find a nice warm garage to work in.
     
  8. Dec 26, 2008 at 4:20 PM
    #28
    SC4333

    SC4333 Well-Known Member

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    Thats what i am talking about! As soon as i can get my hands on one of these flex-a-lites, I will be doing the same.
     
  9. Dec 26, 2008 at 4:23 PM
    #29
    SC4333

    SC4333 Well-Known Member

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    If enough people are interested in this fan, I should be able to get them at W/D. Maybe we could work out a group buy of some sort. First things first, the manufacture has to start churning them out.
     
  10. Dec 26, 2008 at 4:37 PM
    #30
    Cobra69

    Cobra69 Well-Known Member

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    I bought my controller for 70.00 and my fan for 85.00. My controller is adjustable from 0F-250F.
     
  11. Dec 26, 2008 at 4:48 PM
    #31
    SC4333

    SC4333 Well-Known Member

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    Hell of a deal, you cant beat that! I would imagine the W/D on that flex-a-lite is going to be around 260-290. The more i got to thinking about it, with the size and weight of the package a group buy might not be feasible. I will look into though.
     
  12. May 28, 2009 at 2:58 PM
    #32
    JoeSchmuck

    JoeSchmuck Well-Known Member

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    @ Cobra: What fan and controller did you buy and where from? I couldn't believe the fan at Summit was $377. :eek: OUCH!

    Joe
     
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