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  1. #1
    Legend in my own mind Sirhc7897's Avatar
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    Stock Rev Limiter Question

    I'm sitting at ork being lazy. I did a search but didn;t make it past page 1...

    Off the top of your head anybody know where the stock rev limiter kicks in?

    Thanks


  2. #2
    captain obvious Lurker's Avatar
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    8150 is when the soft limit kicks in. I think you hit the hard limit at 8200 or 8250. You wont hit the hard limit unless on the trailer or cavitating.

  3. #3
    Legend in my own mind Sirhc7897's Avatar
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    Lurker,

    Did you say something? I mean I think I see words over there but i can;t focus on anything buy your avatar!

  4. #4
    EZ Dock of Long Island Shibby1485's Avatar
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    stock limiter is 8200... it will run right against the rev limiter and not bounce of or do anythign funky really... dyno tests have shown 8100 rpms to be the sweet spot for horsepower for STOCK ecus and it then fades off as u exceed 8100

    on the other hand, on the rotax racing ECU units, the ski will slam and bounce off the rev limiter and get all funky as it gets clsoer and finally hits it.

  5. #5
    captain obvious Lurker's Avatar
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    Quote Originally Posted by Sirhc7897
    Lurker,

    Did you say something? I mean I think I see words over there but i can;t focus on anything buy your avatar!

  6. #6
    Quote Originally Posted by Shibby1485
    stock limiter is 8200... it will run right against the rev limiter and not bounce of or do anythign funky really... dyno tests have shown 8100 rpms to be the sweet spot for horsepower for STOCK ecus and it then fades off as u exceed 8100

    on the other hand, on the rotax racing ECU units, the ski will slam and bounce off the rev limiter and get all funky as it gets clsoer and finally hits it.
    The riva dyno shows 800-8050
    http://rivaforums.com/groupee/forums...4/m/3871080771

    Look at the 8000 rpm row.

    I've always wondered about this....
    I think my next pitch I might get around 8000-8050

  7. #7
    EZ Dock of Long Island Shibby1485's Avatar
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    yea ya know Kinch, i see what ya mean.... one column 8000 yields higher HP, the next column 8100 is the sweet spot. but we're talking about a minimal difference .. 8050 prob is a nice number to hang around... once u hit 8150 tho there's a pretty drastic drop in HP according to that data sheet

    one thing that IS consistant is thee torque readings. they are highest at 8000 in every column... but does torque mean anything for top speed? i dunno

    i'm inclined to pitch my next prop for 8000 like u said

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