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Thread: New prop

  1. #1
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    While certainly an interesting prop design, I can't help but think how high you would have to go in pitch from your normal boats prop to compensate for the slip caused by the "hole" in the blades surface. May turn out to just be abother gimmick like the era when people put magnets on their fuel lines and claimed to get rediculous fuel savings
    1977 Hydrostream Vector 2.5 Promax

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    Did u watch whole video. Supposedly same pitch and everything increased alot lol. Said it acts like 6 blades

  4. #4
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    Quote Originally Posted by Merc 2.5 View Post
    Did u watch whole video. Supposedly same pitch and everything increased alot lol. Said it acts like 6 blades
    I watched it. Ran a 15 apollo and a 15 enertia against it. Should have probably been a 17p enertia if they really turned it 5850. The thin blades let them spin up alot more.

    Biased test is biased. I think we all know that different pitches for different props may be required on the same boat to achieve the best performance for each. I'd like to see the same test with the boat propped for each individual style
    Last edited by RSWORDS; 10-14-2019 at 05:00 PM.

  5. Likes Merc 2.5 liked this post
  6. #5
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    I THINK the test was fair. the conventional props were general all purpose style and boat average family type. if the motor is rated to turn 5800, the sharrow prop is the winner. unless the test was rigged, lol.

  7. #6
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    Quote Originally Posted by KIRCHNER View Post
    I THINK the test was fair. the conventional props were general all purpose style and boat average family type. if the motor is rated to turn 5800, the sharrow prop is the winner. unless the test was rigged, lol.
    That motor would pull a 17p enertia to 5700 and you would Probably run faster then the 15p. You dont think that all three props of the same pitch turning 5850 is real world accurate do you?

    It may be the next big thing. I dont know.

    I do know that that test was not apples to apples. Properly setting the boat up for each of the three props would be. And maybe the sparrow would run even better and out distance the other two by more in that case. But we dont know.
    Last edited by RSWORDS; 10-15-2019 at 10:12 AM.

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    i see what your getting at, they didnt say at full throttle, they stopped a 5850, for all 3 tests. real slick

  9. #8
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    3000 rpm chart is where they jump the shark. 3k rpm and only 10-11 mph for reg props and 23 for the sharrow. Nah....I call bs. It might be a great prop under certain criteria. Best overall we know it ain't....

    83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
    We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
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    Would be interesting to know if its a billet prop in the test or cast like the stainless props. If it's billet, they're comparing a prop that costs 3, 4, 5x more.
    2003 Triad RR 280 ROS




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    Quote Originally Posted by Petey View Post
    Would be interesting to know if its a billet prop in the test or cast like the stainless props. If it's billet, they're comparing a prop that costs 3, 4, 5x more.
    they show a cnc cutter doin one, it would be billet.

  12. #11
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    The one they tested was described as a "soft aluminum alloy" at least for this one.

    83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
    We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
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    cost comparison in stainless? cost to repair? who does repair? hub design & cost & availability?

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    Has anyone looked one up for the price? I haven't and curious. gonna look haha. Not interested in tryin buy one. just thought be a gud debate over this thing haha

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    Guess no trailer ball and hammer after dinging it on on a stump....
    You never know what your faith is, until your faith has been truly tested.

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