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  1. #1

    Los 2mph with solas prop, rev limiter question

    Hello,

    My stage 1 fzr (r1 reflash) with fizzle intercooler was running 75.5 with the stock prop at 8320rpm. Since I had the solas prop repitched for the r1 reflash I decided to try it and the best speed I could get was 73.5. It seemed that the acceleration was quicker. The temp was the same although the humidity was 20% higher.

    My question is why would I lose 2mph. One thing I noticed is with the stock prop the rpms would go to 8320 and stay there. With the solas prop the rpms would go to 8420 and go back down to 8340. Is it possible that the solas is pitched to high and hitting the rev limiter, slowing the ski down? I thought that the rev limit for the r1 is at 8400. Is it possible that the change in humidity would make that difference/

    Thanks


  2. #2
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    your on the limiter with the R1 you need the impeller pitched 1 degree up on the trailing edge.

  3. #3
    Thanks Jim. Would repitching the prop gain back the 2 mph? If your interested I would like for you to repitch it.

    Thanks.

  4. #4
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by sdman View Post
    Thanks Jim. Would repitching the prop gain back the 2 mph? If your interested I would like for you to repitch it.

    Thanks.
    give me a call when you get a chance.

  5. #5
    shhr's Avatar
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    just curious what solas and pitch are you running, I ask because I have gotten lower speeds out of the stock prop vs. others even at higher RPM with teh stock prop

  6. #6
    It started as 13/22r, the one which is with the riva stage 1 kit. It has been repitched twice, and right now it should be a 13/19. My stock prop has never been touched and runs very well, when I put the solas on last weekend I noticed 0-30 being slower but after that there seemed to be better acceleration. I can tell you that if I'm at 50 and I hit it, it defineatly pulls harder with the solas. I will be calling Jim soon about my prop.

    Lou

  7. #7
    camaro630hp's Avatar
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    Thanks Lou you are a good man in loving the hose you sent

    Thanks Gary

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