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  1. #1
    Phil's Avatar
    Join Date
    May 2005
    Smith Mountain Lake, VA

    Ring size vs. RPMs

    Will an 81MM ring get me more RPMs than an 83MM ring on my GTX?

  2. #2
    smaller diameter ring creates more load on motor reducing your RPM's. Someone else may be able to tell you what each ring size will adj. your RPM's.

  3. #3
    Big K's son KeithKman's Avatar
    Join Date
    Dec 2006
    Southern California
    I am have a 2004 ski so my display shows RPM by 50. I have found with each 1mm a 50 rpm difference. 81 to 82 is 50 more rpm, etc.

  4. #4
    Richieb's Avatar
    Join Date
    Oct 2008
    Sydney, Australia.
    Another thing that will affect it is the power you produce at the impeller.

    There are only rough guides known, a lot is down to trial and error until you get to your particular setting.

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