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  1. #1
    t_hoang02's Avatar
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    Skat 15.5/22.5 3 blade impeller on an RXP-X... Will it work???

    Im thinking about running a skat 15.5/22.5 3 blade Impeller on my RXP-X.... What are everyone's though on it??
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  2. #2
    Live to RIDE. brendus's Avatar
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    Im not sure if its not to highly geared. a three blade needs more horsepower to turn it compared to the same 4 blade. you will need to get some more horsepower.

    Skat Trak is known for acceleration not so much top speed. solas is good for acceleration and top speed. the skat will have a little better acceleration.

  3. #3
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by brendus View Post
    Im not sure if its not to highly geared. a three blade needs more horsepower to turn it compared to the same 4 blade. you will need to get some more horsepower.

    Skat Trak is known for acceleration not so much top speed. solas is good for acceleration and top speed. the skat will have a little better acceleration.
    I think would be too much prop. Someone was selling a prop that skat built for X and was like 15/21 3 blade.

    I have a 15/20 3 blade and at my RAD 4,800 ft. I cant pull it on my RXP stock ecu rude boat right now in the heat. I would think a 15/19 0r 15/20 3 blade tweaked would be right for X without any major power adders.

  4. #4
    AKA: Larry lafjax's Avatar
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    +1 Too much without some mods

  5. #5

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    I took measurements on the Skat 15.5/22.5 and compared to the RXPX, RXP, and 15/20 prop's. The Skat is TALL. Very tall. The stock RXP, stock RXPX, and 15/20 are all within 1 mm blade height from LE to TE. The 15.5/22.5 is over 6 mm difference.

    Mike

  6. #6
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by engineermike View Post
    I took measurements on the Skat 15.5/22.5 and compared to the RXPX, RXP, and 15/20 prop's. The Skat is TALL. Very tall. The stock RXP, stock RXPX, and 15/20 are all within 1 mm blade height from LE to TE. The 15.5/22.5 is over 6 mm difference.

    Mike
    good info.
    do you know how the other 3 blades measure out ?

  7. #7

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    Quote Originally Posted by skoepp View Post
    good info.
    do you know how the other 3 blades measure out ?
    I've been measuring prop's as I beg/borrow them. I don't have any of the other 3 blades. The actual angles don't tell the whole story, though - far from it. Here's the numbers I got:

    Stock RXP: 13/19
    Stock RXPX: 14/23
    Solas 15/20R: 15/20
    Impros Solas 15/24: 15/23
    Skat 15.5/22.5 -1mm: 13/24

    The angles all look similar. However, when you plot the blade height of the 15.5/22.5 versus, say, the RXPX prop (which are within 1 deg), you see that the blades are drastically different. The angle doesn't seem to mean much.

    Mike

  8. #8

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    Check it out:
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  9. #9
    t_hoang02's Avatar
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    sounds like the only choice I have for my rxp-x is the 15/22 from solas... I was really hopeing for more options...

  10. #10
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by t_hoang02 View Post
    sounds like the only choice I have for my rxp-x is the 15/22 from solas... I was really hopeing for more options...
    There are alot more just not proven or any released info yet. There is a 3 blade that will work just dont think it is the turbo prop. I bet a 15/19 or 15/20 tweaked to setup would work nicely.

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