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My first “speed” run on the dry grass

Discussion in 'Kraton' started by f1andy83, Jul 7, 2018.

  1. f1andy83

    f1andy83 Premium Member!
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    I am impressed. 30mph. On the grass. All stock and with 4S batteries.
     
    WoodiE likes this.
  2. WoodiE

    WoodiE Kind of good admin
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  3. Stack15

    Stack15 Well-Known Member

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    Question - what kind of MPH difference should be expected if you went from 4S to 6S on the batteries?
     
  4. ThatDrewGuy

    ThatDrewGuy Premium Member!
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    Quite a bit, but it's going to heat up the motor and ESC a lot faster in the grass.
     
  5. Stack15

    Stack15 Well-Known Member

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    OH good point. Do people normally run these big cars on 4S or 6S? I mean when they are not racing.
     
  6. WTF MIKE

    WTF MIKE Well-Known Member

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    I run 4s first then take out the big boys aka 6s and it’s seems like it’s double the power
     
  7. ThatDrewGuy

    ThatDrewGuy Premium Member!
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    I run both. That being said, all my rigs have high speed fans on the motor to keep the temps way down. Only 4S on grass and think surfaces. 6S on dirt, and street.
     
  8. WTF MIKE

    WTF MIKE Well-Known Member

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    Speaking of fans I just put my yeah racing fans in do a couple of jumps and the little support for one of the fans broke don’t ask me how. They work really well so I rigged something last night now I need to test it. Not happy about it
     
  9. ThatDrewGuy

    ThatDrewGuy Premium Member!
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  10. WTF MIKE

    WTF MIKE Well-Known Member

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    That’s what I have the little supports that hold the fan in the housing broke after landing a jump.
     
  11. ThatDrewGuy

    ThatDrewGuy Premium Member!
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    Oh don't use those. Just threadlock them down, and that should be good enough.
     
  12. WTF MIKE

    WTF MIKE Well-Known Member

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    I don’t know what you mean. Maybe your not understanding what I’m saying.
     
  13. joostin420

    joostin420 Well-Known Member

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    I didn’t use the supports just mounted the fans directly to the heat sink.

    412E8368-4C1C-4E7B-A1AB-91F382A5EB3A.jpeg
     
  14. WTF MIKE

    WTF MIKE Well-Known Member

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    Wow that motor is huge.
     
  15. joostin420

    joostin420 Well-Known Member

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    TP 4070cm 2200kv - it’s a powerhouse.
     
  16. phildogg

    phildogg Well-Known Member

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    nice choice of motors, i bet its a beast in the Kraton.
     
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