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Thread: Cogging??

  1. #1
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    Cogging??

    I just ran my e-revo for the first time. Everything was great... except, I seemed to be having cogging issues. Anyone else have this problem? I'm using the traxxas pack that came with the truck. Any ideas on how to fix this?
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  2. #2
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    Get a better battery or lower your gearing ...
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  3. #3
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    Quote Originally Posted by J.A.T.O.3.3
    Get a better battery or lower your gearing ...
    Everything is stock though. If there is something causing cogging in the stock configuration, I don't just want to mask the problem with a better battery or different gearing. Anyone else has this issue out of the box?
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  4. #4
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    What exactly is cogging? Studering, Taking off slow?
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  5. #5
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    Cogging for what I see is normal for these vehicles. They do take off pretty rough. If you try to take off easy it coggs and if you take off too fast it flips.
    Cogging torque•a measure of non-uniform velocity (eg, jerkiness, momentary stalling, slipping).
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  6. #6
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    Quote Originally Posted by jeremy6.5revo
    What exactly is cogging? Studering, Taking off slow?
    Yes it's exactly that.

    As far as cogging being normal for these vehicles, not so sure about that. In the manual, traxxas says that they've designed the ESC/motor combo to eliminate cogging, making me think the ESC/motor is sensor based. I'll play with it tomorrow and see what I come up with.

    Any suggestions are appreciated.
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  7. #7
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    its not sensor based....and it will always have a little cog at take off until the esc knows where the rotor is...
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  8. #8
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    Quote Originally Posted by Redfisher
    its not sensor based....and it will always have a little cog at take off until the esc knows where the rotor is...
    I looked that up after I posted.

    I recalibrated my transmitter and ESC and that seemed to get the cogging back to a normal level. Thanks for the ideas.
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