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Thread: Classic 22 with Arneson

  1. #16
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    rocker plates are not tabs they bend to add hook to pull the nose down if needed or rocker to let the nose rise all while adding to the running surface of the boat don't think the added strakes would like to be bent

    a simple way to look at rocker plates is think of a sheet of alum locked in a vise with 12 inches sticking out of the vise pushing up on the end would be rocker pushing down would be hook

    here are rocker plates and an arneson
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  2. #17
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    Although Jeff didn't mention it, I believe he extended the inner strakes.
    I don't know where he ended them, but, as you can see in the picture, Minx
    inner strakes are really short. A 22's inner strakes end 24" from the transom.
    A 22 is a lot heavier than a Minx or an 18. I'm not convinced it would be
    easy to make a 22 perform w/an Arneson.
    George Carter
    Central Florida
    gcarter763@aol.com
    http://kineticocentralfl.com/


    “If you have to argue your science by using fraud, your science is not valid"
    Professor Ian Plimer, Adilaide and Melbourne Universities

  3. #18
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    George, I bet a Blackhawk hull could be convinced to like the addition of an Arneson with a bit of magic... Bow lift issue would disappear most probably.

    If we use your money $$$$$...


  4. #19
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    Sounds to me like it is an exceptional way to spend gads of money and get a very minor return.

    Buy Patrick's 22 Classic with a 502/Bravo for $25k and be done with it. He even has some new verified speeds posted with that excellent Rev4 prop. 70mph any day of the year.
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  5. #20
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    Quote Originally Posted by Lenny View Post
    George, I bet a Blackhawk hull could be convinced to like the addition of an Arneson with a bit of magic... Bow lift issue would disappear most probably.

    If we use your money $$$$$...


    Yes, good idea!


    Not!
    George Carter
    Central Florida
    gcarter763@aol.com
    http://kineticocentralfl.com/


    “If you have to argue your science by using fraud, your science is not valid"
    Professor Ian Plimer, Adilaide and Melbourne Universities

  6. #21
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    Quote Originally Posted by Lenny View Post
    Blackhawk is a surface drive but counterrotating twin propellors. Arneson is a surface drive but a single prop. Blackhawks do not normally swap ends , they swap which surface of the boat is out of the water

    Strakes provide a 10x or similar downforce on the water ( psi ) as the water that originally rose up to hit them. Think hanging onto a fire hose. That force lifts the hull.

    You DO NOT want to lift the transom so I'd put that idea to bed.

    Just trying to figure why people do not want the Blackhawk's. I hear the 3rd porpoise is a problem.Trying to figure what might keep the boat stable at speed.Is there anyone I can speak with about the Blackhawks Donzi's ?

  7. #22
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    Quote Originally Posted by Donzi Z22 View Post
    Just trying to figure why people do not want the Blackhawk's. I hear the 3rd porpoise is a problem.Trying to figure what might keep the boat stable at speed.Is there anyone I can speak with about the Blackhawks Donzi's ?
    Important to distinguish between a couple things. A factory Blackhawk boat had a Blackhawk drive AND a different, Blackhawk hull. The drive has its challenges with finding parts and such, but can be a really good thing. The Blackhawk hull is a rockered 22C. The bottom is curved, like the rockers on a rocking chair. It lifts the nose but causes the 3rd porpoise danger.

    A BH drive on a BH hull is a handful, but if one is sensible and builds a lot of seat time, can be learned. We've had some great BH drivers.

    You can put a BH drive on a regular 22C hull and get great results. I would do this in a heartbeat if I was comfy I could get parts to keep it running.

    Never heard of anyone being happy with a standard drive on a BH hull, and it'd be very hard to sell.
    "I don't have time to get into it, but he went through a lot." -Pulp Fiction

  8. #23
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    Since folks are getting such good results w/a standard hull, a shorty, and lots of power,
    I wonder why some are looking for supposed "shortcuts"?

    Why not put your money into something that works?
    George Carter
    Central Florida
    gcarter763@aol.com
    http://kineticocentralfl.com/


    “If you have to argue your science by using fraud, your science is not valid"
    Professor Ian Plimer, Adilaide and Melbourne Universities

  9. #24
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    Quote Originally Posted by gcarter View Post
    Since folks are getting such good results w/a standard hull, a shorty, and lots of power,
    I wonder why some are looking for supposed "shortcuts"?

    Why not put your money into something that works?
    The more I research, this sounds like the best way to go. The Blackhawk being a handful and parts being scarce. This is a great group and a lot of knowledge here !

  10. #25
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    Thanks for the plug Greg

    Quote Originally Posted by Greg Guimond View Post
    Sounds to me like it is an exceptional way to spend gads of money and get a very minor return.

    Buy Patrick's 22 Classic with a 502/Bravo for $25k and be done with it. He even has some new verified speeds posted with that excellent Rev4 prop. 70mph any day of the year.
    The Fall price on my boat is a firm 22K. Actually had a couple of local guys inquiring recently. If she's still mine, I'm planning to add a steering upgrade this off season...
    Thank you, Patrick
    1994 18' Classic 350Mag Alpha

    Previously owned Donzis -
    1996 22' Classic, 502Mag Bravo
    1987 20' Minx, 350Mag Alpha
    1975 18' Classic, 350Chevy Volvo 280

  11. #26
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    Quote Originally Posted by mattyboy View Post
    rocker plates are not tabs they bend to add hook to pull the nose down if needed or rocker to let the nose rise all while adding to the running surface of the boat don't think the added strakes would like to be bent

    a simple way to look at rocker plates is think of a sheet of alum locked in a vise with 12 inches sticking out of the vise pushing up on the end would be rocker pushing down would be hook

    here are rocker plates and an arneson
    Get bent!!!! Check it out......

    https://youtube.com/watch?v=eibj5PS4wJ8

  12. #27
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    great video....
    Cheers,
    Pismo
    1996 22 Classic
    Red with Stainless Windshield
    Stock Gen VI 502 Magnum MPI-415hp
    Stock Bravo I
    25" Mirage Plus
    74.5mph best @ 5050rpm GPS (Speedo said 80)
    27" Labbed Mirage Plus
    75.5mph best @ 4800rpm GPS (Speedo said 82)

  13. #28
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    ...another pretty cool video showing what a surface drive looks like in action.

    https://www.youtube.com/watch?v=Of1RY4M8VqM

  14. #29
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    Quote Originally Posted by HallJ View Post
    Get bent!!!! Check it out......

    https://youtube.com/watch?v=eibj5PS4wJ8
    they are cool Geoo's did have the end cap like yours
    When the sky is grey,look out to sea.
    When the waves are high and the light is dying,
    well raise a glass and think of me...
    When I'm home again,
    boys, I'll be buying!

    My Ride

    Come Join Us on The Queen Of American Lakes



    Contact Us

    www.lgdonziclassic.com

  15. #30
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    More boat porn

    Quote Originally Posted by SKnies View Post
    ...another pretty cool video showing what a surface drive looks like in action.

    https://www.youtube.com/watch?v=Of1RY4M8VqM
    I love it! That was a great way to start my morning!!!

    '07 22 Classic Shelby GT
    '96 18 Classic - sold
    '69 16 Ski & Sport - sold


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