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Thread: Can this Happen

  1. #1
    Join Date
    Aug 2007
    Location
    La
    Posts
    265

    Default Can this Happen

    WHen I went to run my SV today it would not Get on a plane,the bow would sit up high and the stern would dig into the water.Am I running the wrong prop.

    All stock
    3600 nimh pack(duratrax)
    L38*55 prop-its a Lifter prop please explain this to me


    thank you

    Kris
    S.S.R.C-Southern Style Radio Control

  2. #2
    Join Date
    Oct 2007
    Location
    Wy
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    1,494

    Default

    You may be using a prop too small in diameter for the boat/setup... Motor rpm is not high enough to use 38mm prop... You should try 42mm prop or 45mm carbon props work well... Lifting props are mostly used on riggers and hydros....
    Last edited by txboatpilot; 12-28-2007 at 11:03 PM.

  3. #3
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    Default

    Quote Originally Posted by txboatpilot View Post
    You may be using a prop too small in diameter for the boat/setup... Motor rpm is not high enough to use 38mm prop... You should try 42mm prop or 45mm carbon props work well... Lifting props are mostly used on riggers and hydros....
    Put either a 42x55 or X442 on it. Sharpened and balanced, both props will pull very well.

  4. #4
    Join Date
    Nov 2007
    Location
    CA
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    Default

    I run a 42x55 GrimRacer prop in mine. Works well.
    Don't get me started

  5. #5
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    Aug 2007
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    La
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    Default

    Quote Originally Posted by Bill-SOCAL View Post
    I run a 42x55 GrimRacer prop in mine. Works well.
    Is that a lifter prop
    S.S.R.C-Southern Style Radio Control

  6. #6
    Join Date
    Nov 2007
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    CA
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    Default

    No, it is a standard prop. I usually do not run lifter props on mono hulls.
    Don't get me started

  7. #7
    Join Date
    Jan 2008
    Location
    PA
    Posts
    34

    Default

    just a thought. would the rudder angle cause it to dig in? lower tip of the rudder as fwd as possible, creating a small amount of downward force?

    just a thought

  8. #8
    Join Date
    Nov 2007
    Location
    CA
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    Default

    Take a look at this site. Tune up tips from the guy who designed the boat

    http://www.aquacraftmodels.com/boats/aqub22-tuning.html
    Don't get me started

  9. #9
    Join Date
    Aug 2007
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    OR
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    Default

    cf 45 is the way to go cheap and it works great.

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