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  1. #1
    skigolfnut's Avatar
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    Anticavitation cone spacer

    Made a spacer for the cavitaion cone,
    anyone else running one?
    I have heard mixed revues, I was going to keep it thin enough so the O rings kept the water out of the grease
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  2. #2
    R88ory RXP's Avatar
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    Should help some, it will lift the pressure in the ventury which will help lower your cavitation...

  3. #3
    rxpdoo's Avatar
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    Quote Originally Posted by R88ory RXP View Post
    Should help some, it will lift the pressure in the ventury which will help lower your cavitation...
    what about adding a reduction nozzle spacer

  4. #4
    skigolfnut's Avatar
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    do you mean the different size venturi rings? I am tuning my prop to a 84/83mm ring for closed course racing, right now I am at 8550 rpm, and I am bending for more rpms

  5. #5
    R88ory RXP's Avatar
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    Quote Originally Posted by rxpdoo View Post
    Quote Originally Posted by R88ory RXP View Post
    Should help some, it will lift the pressure in the ventury which will help lower your cavitation...
    what about adding a reduction nozzle spacer
    Can help too, I knew he was CC racing and wanted the extra holeshot of a larger ring.

    R88

  6. #6
    ricky86's Avatar
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    how about a adjustable pumpcone like les cooke has on his website. i have one in my rxp with a ET 68-140 and a 85mm nozzle ring and a bellow band and i have no calvitation at all.
    i did get it from a guy in germany cost about $400 without shipping (don't know what the price is for the les cooke)

  7. #7
    Bob 1tommygunner1927's Avatar
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  8. #8
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by skigolfnut View Post
    Made a spacer for the cavitaion cone,
    anyone else running one?
    I have heard mixed revues, I was going to keep it thin enough so the O rings kept the water out of the grease
    The spacer will drop max rpm by approximately 40 rpm.....

  9. #9
    ricky86's Avatar
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    this the one i'm runningClick image for larger version. 

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  10. #10
    skigolfnut's Avatar
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    I like those les cooke ones, I just don't have the coin, that is why I made one from some scrap starboard laying around the shop for free,

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