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  1. #1
    RC poster
    Join Date
    Dec 2012
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    5

    1/16 Grave Digger problem (slow start)

    I just bought a mini Grave Digger for my son for Christmas. When I tested it out I noticed that it accelerates slowly and then goes full speed. It feels like the speed controller is limiting the current when starting from a stop. Is this normal? It doesn't wheelie from a stand still like the Grave Diggers that I've seen on youtube. I broke in the motor by just driving it around at half throttle for the first pack. I didn't think I would have a problem with the motor since my Slash motor is still going strong after a year and it wasn't broken in at all.

  2. #2
    RC Qualifier
    Join Date
    Jul 2012
    Location
    Baltimore, Maryland
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    390
    Is it used? Cogging is assoc with brushless motors but it doesn't sound like yours is stutter starting. Could be a loose wire.
    BB MERV/550 Rusty/OS21REVO
    Drive it like its Hot

  3. #3
    RC poster
    Join Date
    Dec 2012
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    5
    It's brand new. It doesn't cog. It feels like it's getting 50% power for the first few feet.

  4. #4
    RC poster
    Join Date
    Dec 2012
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    5
    The LED on the ESC is red so the low voltage detection is off.

  5. #5
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
    Join Date
    Oct 2009
    Location
    Alma, MI
    Posts
    12,279
    If he had to break in the motor I assume that it is brushed therefore will not cog.

    It could be a faulty ESC...
    I would start by resetting everything to factory settings, then call Traxxas if the problem persists. They are very good at taking care of their customers!
    Whatever it is I just said... I could be wrong.

  6. #6
    RC poster
    Join Date
    Dec 2012
    Posts
    5
    Thanks for your reply.
    I'm not planning on driving it again until I give it to him for Christmas. I'll see what happens.

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