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  1. #1
    RC poster
    Join Date
    Jan 2011
    Posts
    2

    5451XL Repeat driveshaft breakage

    Hey
    First Post.... First eRevo...
    Love this car...
    Learning how to handle it... I've already broken two rear driveshafts......
    always breaks on a jump (two or three feet or so) ... always a rear... always seems like an awkward landing but not particularly jarring
    its an easy fix... but is something else wrong...
    or is this simply too much of a jump...
    I'm new to this kind of power in an RC...could it be that landing the car with the wheels driving forward on the point of landing are torquing the shaft to failure?
    Thanks for any input..
    A

  2. #2
    RC Turnbuckle Jr.
    Join Date
    Jul 2010
    Location
    England
    Posts
    5,777
    I take it you have the brushed erevo, I wouldnt have thought it was powerful enough with brushed motors to keep snapping drive shafts really.

    Are you landing on or off the throttle- on throttle landings will be very tough on the drive train for sure.

    You can try loosening the slipper a tiny bit and see if that helps, though you may want/need to upgrade it to use the metal slipper pads.

    Otherwise, consider upgrading to some aftermarket drive shafts:

    http://cgi.ebay.com/Traxxas-TRA5451R...item518dd68ccd

    http://cgi.ebay.com/Spline-CVD-Kit-T...item5d2cd4ffb0

    http://cgi.ebay.com/Traxxas-E-Maxx-1...item2ea94321a6 ( will fit the erevo too )

    http://cgi.ebay.com/4-Steel-F-R-Axle...item2c58a0f3bd ( will fit erevo too )

    http://cgi.ebay.com/4x-F-R-U-Joint-A...item2eb0e5fdba ( will fit erevo too )
    Keeping the Mods busy is my specialty...

  3. #3
    RC Qualifier
    Join Date
    Feb 2008
    Location
    BC
    Posts
    701
    Like AOD said are you sure your slipper is set right? My friend had the same problem and it turns out the slipper was too tight. It's usually recommended to tighten it all the way and then loosen it 1/4 of a turn.
    Vehicle(s): None
    Owned:Rustler,Slash,E-Maxx

  4. #4
    RC poster
    Join Date
    Jan 2011
    Posts
    2
    haven't adjusted the slipper at all from factory settings...
    this is a brushed motor... not brushless...out of the box car...
    and I have been landing throttle on...
    For me, this is a powerful car and I'm learning (the hard way) how to land this little gem...

  5. #5
    RC Turnbuckle Jr.
    Join Date
    Jul 2010
    Location
    England
    Posts
    5,777
    Release the throttle as you leave the ramp- if you start to nose dive, tap the throttle; if you start to back flip, tap the brakes.
    Keeping the Mods busy is my specialty...

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