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  1. #1
    RC poster
    Join Date
    Aug 2017
    Posts
    10

    Traxxas slash 4x4 overheating problems

    I just got out my slash and hadn't used it in a little over a year. The battery had died. So I bought a new one and I tried a fifteenth brand this time cause it was half the price. This might be my issue... Well I've never really had an issue with it overheating before but I could only drive it for maybe 5 minutes then it stays blinking red and it feels extremely hot. Could I have bought the wrong voltage output or something?? I have a fan on there already but it doesn't seem to make a difference. Any help would appreciated. This is the battery I bought.
    Bias 35C 3S 5000mAh 11.1V LiPo Hard Case Battery UNI Plug (EC3/Deans/Traxxas/Tamiya) for RC Car, Truck, Buggy, Boat, Heli, and Drone https://www.amazon.com/dp/B01HUEJY0K..._HcW-CbVHBMR0F

  2. #2
    RC Qualifier
    Join Date
    Aug 2015
    Posts
    434
    Do the battery wires/connectors get hot? Are you using one of the adapters? I have heard bad things about these universal adapters causing excessive resistance. If you not worried about the warranty i would cut off the plug and use the connector for your esc.

    Sent from my VS996 using Tapatalk

  3. #3
    RC poster
    Join Date
    Aug 2017
    Posts
    10
    I never even thought about the adaptor. That might be what's causing the extra heat. So you would cut off the tip and just fix the adapter on permanently?

  4. #4
    RC Racer
    Join Date
    Nov 2018
    Location
    Spokane, WA
    Posts
    175
    What are the names of the motor and esc? XL 5 and titan 12t?
    If so you can only run 2s
    If the car is a vxl model it will have a vxl3s esc and veilineon motor this should run 3s. I would check the gearing because who knows what the previous owner geared it at


    Sent from my iPhone using Tapatalk

  5. #5
    RC poster
    Join Date
    Aug 2017
    Posts
    10
    It's 3s ready. I've anyways ran 3s in the past but with this battery in particular it overheats.

  6. #6
    RC Competitor
    Join Date
    Jun 2017
    Location
    Belgium
    Posts
    82
    I think we need some more information about:
    - the ESC and motor you use (is it a Velineon combo) ?
    - the gearing you use

    Any idea about the temps on the ESC and the motor ?

    Do you have a fan on the ESC or on the motor (or both) ?

  7. #7
    RC Enthusiast
    Join Date
    Apr 2019
    Posts
    37
    If the esc and motor are both getting warm and you’re using the same voltage battery, same gearing, etc, check to see if the drivetrain is completely free and nothing is binding up. I will regularly year a car down to the bearings to find a part that’s binding. Resistance through adapters and wiring will manifest as hot wires between the battery and esc. Good luck and happy hunting!

  8. #8
    RC Turnbuckle Jr. Squeegie's Avatar
    Join Date
    Jun 2014
    Location
    Southern California
    Posts
    7,475
    If it's been sitting for over a year, make sure all the bearings are good. Might as well check your gear mesh as well.

    Good luck and have fun!
    Creativity is intelligence having fun. -Einstein

  9. #9
    RC Turnbuckle Jr. El Sob's Avatar
    Join Date
    Feb 2010
    Location
    Indianapolis?
    Posts
    14,129
    I personally would never run a 35c lipo. I have a 50c minimum. The battery may be holding you back. Do you have another to try?
    Member of the 10,000 + posts club! Here to help!

  10. #10
    RC poster
    Join Date
    Jun 2019
    Location
    fox valley Wisconsin
    Posts
    5
    first thing I would do after a year would be to change those bearings, and give it some maintenance. A 5 minute run that results in overheating surly is telling you something. bearing, clean dif and new grease. I've had old bearings lock up after just 2 weeks sitting in the closet.

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