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Thread: Max Speed Attainable with These Fgures

  1. #41
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    Quote Originally Posted by Nason View Post
    sent 2 videos to pdt if you like post your email and I will send them to you also
    Would you like them posted?

  2. #42
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    sure if you want to

  3. #43
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    It's actually on phillnjack's youtube channel
    http://www.youtube.com/watch?v=plO0s99PE94

  4. #44
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    I like the pad bottom boat that planes off and does a run

  5. #45
    pdt
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    nice boats

  6. #46
    pdt
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    Those boats look very very lightweight, and look like speedboats without the tops on them.
    good bit of video showing them running good and almost no boat hull in the water.
    need lots more vids like this showing what the boats run like.

  7. #47
    Sabine River Gang MWhite's Avatar
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    Quote Originally Posted by omcstratos View Post
    Still agree with this. So many variables to work with. Pitch can also vary from prop to prop, and is not always accurate. Nothing compares to the real testing.
    david mason is right and so is omcstratos on this,, theres to many things to take in account. the ones who disagree with this has never had any experinces playing,setting up boats or racing boats period. like omcstratos and mason said nothing compares to real testing.
    Let it all Hang out

  8. #48
    Sabine River Gang HankFrazier's Avatar
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    JOHN WAYNE once said LIFE IS HARD BUT IT'S REALLY HARD IF YOUR STUPID.
    Strictly business

  9. #49
    pdt
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    your drifting again and trying so hard to cause a problem .
    the testing is trying to get to maximum possible, or it would be of no use, you cannot go past maximum possible, your trying (very trying) to get as close as posible

    with a given set of genuine figures for the rpm, a set of genuine figures for the gear ratio and a set of genuine figures for pitch there has to be a maximum permissible velocity attainable.

    6000 rpm with 2-1 gear set and 24 inch pitch prop . maximum possible speed = 68.181818
    with this simple sum there is no variables, only constants.

  10. #50
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    Quote Originally Posted by pdt View Post
    your drifting again and trying so hard to cause a problem .
    the testing is trying to get to maximum possible, or it would be of no use, you cannot go past maximum possible, your trying (very trying) to get as close as posible

    with a given set of genuine figures for the rpm, a set of genuine figures for the gear ratio and a set of genuine figures for pitch there has to be a maximum permissible velocity attainable.

    6000 rpm with 2-1 gear set and 24 inch pitch prop . maximum possible speed = 68.181818
    with this simple sum there is no variables, only constants.
    Maximum speed attainable given that the pitch stamped on the prop is indeed TRUE and not under

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