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  1. #1
    RC poster
    Join Date
    Sep 2013
    Posts
    1

    Fried Speed Controller

    I already know the answer but want someone else to confirm my stupidity.

    I have an E-Revo brushed. I mistakenly hooked up my twin NiMH's in series and not parallel. Yes it is fried......but wow was it fast for that 30 seconds!

    I replaced the motor but not the speed controller. Now it only has reverse and no forward. I assume the speed controller is also shot so I guess I have to replace that also.

    Does this also mean the receiver is shot? Do you think Traxxas will take these units back on their "Trade-In" program so I can just move to the brushless system?

    The two little pigtail connectors look very similar (series and parallel), Make sure you check and don't do what I did.

    Thanks for any response.

    Gene

  2. #2
    RC Racer
    Join Date
    Aug 2013
    Location
    Ont, Canada
    Posts
    105
    Someone PLEASE, PLEASE correct me if I'm wrong but you are supposed to connect the batteries in series are you not? This doubles the voltage. 8.4v + 8.4v for the 16.8v total on Nimh. Connecting in parallel doubles the runtime and keeps voltage at 8.4v. Someone please jump in here because I don't think you did anything wrong. Or I have the terminology mixed up.

  3. #3
    Marshal ksb51rl's Avatar
    Join Date
    Nov 2006
    Location
    Northern NJ
    Posts
    18,784
    This seems to be referring to a 1/16 brushed E-Revo, no?

    If so:
    XL-2.5 ESC Specifications
    Input Voltage: 4-8 Cells
    (4.8V - 9.6V DC)
    2S LiPo
    Last edited by ksb51rl; 09-17-2013 at 03:57 PM.
    Alt-248 on the number pad =

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