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  1. #1
    RC Racer
    Join Date
    May 2008
    Location
    In Colorado
    Posts
    248

    Mamba & 6900 Motor too much?

    As title states, will I find this combo overkill? Its already in another SC truck so its not like I have to go out and buy it.

    I'm worried a little about temps as this thing runs silly hot if I don't gear it right.

    Not a basher, I race for fun on a medium sized indoor track.

    Any thoughts?
    Last edited by Rooskibar; 01-14-2010 at 12:06 PM.
    Nothing to see here people, move along...

  2. #2
    RC Qualifier
    Join Date
    Sep 2008
    Location
    NewYork
    Posts
    614
    that motor will over heat in the slash go with the 4600

  3. #3
    RC Qualifier
    Join Date
    Sep 2009
    Location
    St. Pete FLA
    Posts
    543
    I can get my 5700 close to 180 on 2S thrashing around the yard. I think heat will be a problem for you. Since you already have it, try it and let us know how it goes (checking temps often of course!).

  4. #4
    RC Racer
    Join Date
    May 2008
    Location
    In Colorado
    Posts
    248
    Guess Ill be the crash test dummy for you all. I'm only running 2s lipos, which is all the 6900 is rated for anyway.

    The 5700, which I cooked and am waiting for a replacment, will run 3s.

    Come on mail man, bring me my Slash.
    Nothing to see here people, move along...

  5. #5
    RC Qualifier
    Join Date
    Sep 2009
    Location
    St. Pete FLA
    Posts
    543
    Be prepared to cook another 5700 on 3s in this truck, unless you don't plan on running for more than a few minutes at a time. 10 minutes and you will need a fire extinquisher.

  6. #6
    RC Racer
    Join Date
    May 2008
    Location
    In Colorado
    Posts
    248
    Strike my 3s comment. The motor is rated to take it but i'm not planning on running those.

    It would be run for a few minutes though.

  7. #7
    RC Racer
    Join Date
    Aug 2007
    Posts
    217
    If you are getting hot, go to a smaller pinion

  8. #8
    RC Champion
    Join Date
    Feb 2003
    Posts
    2,620
    that wont fix the issue. Its gunna be TOASTY

  9. #9
    RC Qualifier
    Join Date
    May 2009
    Posts
    365
    make sure you have oven mits on when you fell the motor to see if its hot, if its not already on fire...

    dont do it

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