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  1. #1
    RC Racer
    Join Date
    Nov 2009
    Location
    Westchester County, New York
    Posts
    162

    New Sidewinder SCT gearing

    I just picked up the new Castle Sidewinder SCT 3800kv combo and wanted to ask for advice on gearing. I have heard that this motor and esc run much cooler than the stock VXL system that came with my 4x4 Slash.

    I am currently running 13 / 50 with the center diff installed. Obviously, I will be running 2S only with this combo.

    Thanks for sharing your experiences with this new system if you have used it. Looking forward to my install later today.
    All we know is; hes called The Stig.

  2. #2
    RC Champion
    Join Date
    Dec 2008
    Location
    Melbourne Aus
    Posts
    1,925
    13/50 would be good for 33 mph or so with stock tires

    You should be able to gear up a little bit, 15/50 would get you 38 mph, just keep an eye on temps

    Cheers
    Slash Platinum
    SCT MMP / 2400kv

  3. #3
    RC Competitor
    Join Date
    Apr 2010
    Posts
    78
    I run mine at 16/50 or 17/52, sometimes 17/50...plenty of speed, and still enough pop to clear jumps on a short run.
    Usually depends on which spur gear isnt destroyed at the moment.

    Never got the motor over 120
    Last edited by DoogieLee; 01-25-2011 at 02:07 PM.

  4. #4
    RC Competitor
    Join Date
    Oct 2010
    Location
    Illinois
    Posts
    77
    Are you all running with the fan on the motor? I have seen others run it over the ESC. Just was wanting to see if it is really needed on the motor or not. thanks
    Only 50 characters... :(

  5. #5
    RC Competitor
    Join Date
    Apr 2010
    Posts
    78
    I dont run the fan at all, and my MMP has one built in, only time ive ever seen it come on was during start up

  6. #6
    RC Qualifier
    Join Date
    Jun 2008
    Location
    Dearborn Heights, MI
    Posts
    507
    18/54 works wonders for me. Perfect top end and plenty of torque.


    Sent from my iPhone using Tapatalk
    ERBE ~ Rusty VXL ~ Pede VXL ~ 2 Slash 4X4's

  7. #7
    RC poster
    Join Date
    Feb 2011
    Posts
    3
    IamTheStig
    Did you fill the difference between VXL and sidewinder? I`m thinking of changing stock system on Sidewinder Sc and trying to understand weather there is the reason to do it or not.
    Sorry for my english
    Slash 4X4 , AE RC8Te

  8. #8
    RC Champion
    Join Date
    Sep 2010
    Location
    the giant boot. Anybody?
    Posts
    2,726
    Quote Originally Posted by anton666 View Post
    IamTheStig
    Did you fill the difference between VXL and sidewinder? I`m thinking of changing stock system on Sidewinder Sc and trying to understand weather there is the reason to do it or not.
    Sorry for my english
    just go with the MMP SCT 2400kv, way better setup. 4s capable also.
    *Proud Husband of United state's Air Force wife.*

  9. #9
    RC poster
    Join Date
    Feb 2011
    Posts
    3
    I want to participate in races and you have to go with 2s lipo only.
    Slash 4X4 , AE RC8Te

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