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  1. #1
    RC poster
    Join Date
    Dec 2012
    Posts
    13

    Can I put some big tires on my MERV

    I orderded some tall tires for my merv. They are 4.9 inches tall. On 2.2 proline rims. I'm running Nimh batteries in series and parallel either way depending on what I wanna to do at the time. I have the "high speed" drive gear from traxxas the one they say to use when in series. But I leave it on if I'm in series or parallel. Any possible problems? Or things to beware of?

  2. #2
    RC Qualifier
    Join Date
    Jul 2012
    Location
    A long time ago in a galaxy far far away...
    Posts
    465
    Gear down to at least 20/55. More if you're in series. You'll need as much torque as you can get.

  3. #3
    RC Competitor
    Join Date
    Sep 2011
    Location
    Snellville, Georgia
    Posts
    95
    Do the 2.2's fit the tires that sound really odd and tall. Um with larger wheels gear down just keep an eye o. Temps and don't go to hard but still those tires seem huge can you post pics or something so we can see

  4. #4
    RC Turnbuckle Jr.
    Join Date
    Mar 2012
    Location
    so cal
    Posts
    9,244
    A perfect size tire for the merv is 3.5" tall. 4.9 is way too tall! I would gear down as low as you can go then monitor the temp in your normal fashion of driving. Expect a loss of performance and hard load on the drivetrain

  5. #5
    RC Turnbuckle Jr. JimmyNeutron's Avatar
    Join Date
    Oct 2009
    Location
    Alma, Michigan
    Posts
    12,291
    After all the gear reductions and the added height to the center of gravity, expect to be going about half as fast as you were before once you get heat issues under control.
    Whatever it is I just typed... could be wrong.

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