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Just received my Kraton: is this normal?

Discussion in 'Kraton' started by Nuanda1978, Jan 12, 2018.

  1. Nuanda1978

    Nuanda1978 Active Member

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    Dear all, i've just received a new 2018 Kraton, but won't be able to try it for a few days.

    This is my first RC, so i'm not sure whether a couple of things are normal:

    1) Wheels are not aligned, FR is pointing toward right, FL is pointing toward left. Rear wheels are doing the opposite. Is this normal? (see pic).

    2) Most worryingly, if i move it there's a strange sound coming from the differentials i guess...(see video). Is this normal?



    Thanks and sorry for the dumb questions...
     

    Attached Files:

  2. Shiftin2sixth

    Shiftin2sixth Well-Known Member

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    100% normal on both questions
     
    Chrisrock88 and Nuanda1978 like this.
  3. Hubert

    Hubert Well-Known Member

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    2 yup metall gears. Enjoy the whine
     
    Chrisrock88 likes this.
  4. Nuanda1978

    Nuanda1978 Active Member

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    Thanks guys.
    I'm playing with the internals...looks really like a solid, sturdy piece of thing.

    To note, i started to charge one battery and my charger (Yuko Nighthawk) did a loud and scary bang and died 1 sec after charging started (i had already done a test charge on another battery a few days ago).
    I'm 100% positive everything was connected correctly, program was correct for the battery (the charger also performs a safety check), really no clue on what might have happened. (5.2m 4S Lipo).

    i tend to think the charger was simply broken as all connections and parameters were correct (again, i did a test charge a few days ago with no issues).

    Do you think it's safe to use that battery again (it charged for a second before banging)? The thing is, i have two identical batteries, and was dumb enough to put them together after the incident....no way to distinguish them now...but i' cant imagine a battery could have been ruined by whatever has happened.

    Cheers.
     
  5. jym73

    jym73 Well-Known Member

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    And magnet from the motor.

    I have answered often to this question on an other forum. All the electric cars with brushless motor do that.
     
  6. Megasty

    Megasty Premium Member!
    Premium Member Excellence Award

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    Most chargers like the nighthawk have failsafes independent of the charger's transformer (the thing that usually goes out first) to keep the battery from being shorted or overvolted due to internal failure. However, failsafes can still fail :rolleyes: A good lipo charger won't charge a damaged battery, at least none of mine will.
     
    Hammer0419 likes this.
  7. Cornelius1974

    Cornelius1974 Well-Known Member

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    Brother you have to align your front wheels yourself. Read your instruction and look on YouTube for more info. The wheels in the back are pointing in the inside and it’s totally normal. I recommend you not to roll your RC but to lift it. The noise in the diff it’s because it’s a 4x4.


    Go back where you bought it and return it.
     
  8. Gus

    Gus Well-Known Member

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    Yep all normal mate. You can hear the gear mesh pushing against the motors magnets and all your gears are metal so it does sound impressive but all gravy and your front wheels do point out a bit but when they r pulling your crouton forwards the drive is straight. Double check all the screws are tight and enjoy it's a beast
     
  9. Nuanda1978

    Nuanda1978 Active Member

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    Update after first runs...everything runs ok, it's just freaking incredible :)
     
    Hubert likes this.
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