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  1. #61
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    Quote Originally Posted by magnum2.5 View Post
    wow 25" MOTORS ON 30" OF SET BACK...MOTORS LOOK REALLY LOW OR IS THAT MY EYEBALLS playing tricks
    They are 25" motors and need to be raised. I am already at the highest mounting holes on the mid. I am thinking of trying the Bobs vertical extension brackets, as I don't want to add much more setback. I think the powerheads would get too swamped if I change to 20" mids.
    A few boats starting with V's
    Hydrostream Vandal
    Hydrostream Vamp
    Hydrostream Vector
    Hydrostream Viking
    Hydrostream Verado

  2. #62
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    Quote Originally Posted by bill659 View Post
    They are 25" motors and need to be raised. I am already at the highest mounting holes on the mid. I am thinking of trying the Bobs vertical extension brackets, as I don't want to add much more setback. I think the powerheads would get too swamped if I change to 20" mids.
    Man those look like 30's.

    If those are 25's your bracket is too low.

    According to my inttial measurements, my bracket will be just bellow the mold lines where the hull turns to the transom which yours looks close to.
    Part of the black art to these set ups is where you mount the bracket.

    To those telling me to put 20" motors on this boat, look how low Bills 25's are at idle. Now drop them 5".
    Last edited by Instigator; 02-12-2018 at 06:48 PM.
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

  3. #63
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    Do you have to have 30 inches of setback, how do you reinforce the transom, that seems like an awful large amount of leverage back there???? Just askin

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  5. #64
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    Quote Originally Posted by 1954bmw View Post
    Do you have to have 30 inches of setback, how do you reinforce the transom, that seems like an awful large amount of leverage back there???? Just askin
    Set back can be what ever you decide.

    The amount is a crap shoot unless you know someone that successfully did this which I do not.

    On this type project, you normally see the bracket being sourced second hand which I'm sure is Bills case.
    I did two 24' Sonics and on #1 while doing research I was lucky enough to cross paths w/an Sonic employee who was involved w/testing their race boat back in the day.
    He said they tried everything and ended up at 20" which is what I had built.

    Sonic #2 cane w/an existing platform that previous owner had retrofitted to replace the two 24" tube style Gil brackets that they all came from the factory with.
    That one was 24" and never ran line the first.

    These conversions were very common in Fla were done w/used brackets and almost all were wrong IMO.
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

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  7. #65
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    Another issue Bill is fighting is, based on transom angle, the farther away from the transom the motor is, the deeper it will be in water.

    Id guess 2" - 5" deeper at 30" back than 20" - 24".

    Done correctly, the top surface of bracket should be horizontal when keel of boat is horizontal.
    Now put the boat in the water.
    It sits at a 5 - 10* angle at rest which agrivates the situation.
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

  8. #66
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    Soooo, you do not want the bracket to be perpendicular to the transom, not 90 degrees, slight angle????? Hey, how close are you to Polaris???

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  10. #67
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    28' Checkmate 2800SX Outboard, 24" Setback Gill brackets with 6" built in rise, 7/8" thick tie plate, 24" centers, 25" mids..

    I plan on selling the Gills as I want to re-rig with a Hyd. Porta Bracket eventually.

    My boat has had both 20" mids and 25" mids. The 25" mids were much better and kept the motors from dragging through the water at idle speeds..
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by JUPITER PULSARE; 02-13-2018 at 11:18 AM.
    J-Town Hot Boat Team
    Checkmate 2800SX/Twin Merc 2.5's
    Checkmate Pulsare 2400/Verado 275

    Past Boats:
    Checkmate Starflite/Merc Pro XB250
    Canadian Edition Hydrostream AE-21/Merc 2.5
    Checkmate Pulsare 2100/Merc 225Xri
    Hydrostream Valero YT Bowrider/Merc 175
    Talon T-21/Mercury Racing 2.5 Carb
    Sleekcraft ModVP Bowrider/Evinrude 225 Vindicator
    Velocity 230/Mercury 454 Magnum
    Scout 172 Sportfish/Yamaha 130
    SeaRay F16 Jet boat/Mercury SportJet
    SeaRay 17' Seville/Merc I/O

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  12. #68
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    I bought my boat rigged with the 30" bracket. I would have gone with less setback. My bracket does make for a nice platform to stand on to work on the motors, though!!
    A few boats starting with V's
    Hydrostream Vandal
    Hydrostream Vamp
    Hydrostream Vector
    Hydrostream Viking
    Hydrostream Verado

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  14. #69
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    Quote Originally Posted by 1954bmw View Post
    Soooo, you do not want the bracket to be perpendicular to the transom, not 90 degrees, slight angle????? Hey, how close are you to Polaris???
    No and 1/2 hr.
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

  15. #70
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    Click image for larger version. 

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    26' Larry smith Scarab has 25'' motors.
    Alan Shapiro was the first owner waterheater racing.

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  17. #71
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    Quote Originally Posted by buddy stewart View Post
    Click image for larger version. 

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    26' Larry smith Scarab has 25'' motors.
    Alan Shapiro was the first owner waterheater racing.
    Way cool.

    Post up more pixs if you have any.
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

  18. #72
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    Click image for larger version. 

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    Has not been in the water for a long long time Kevlar hull.
    Working on getting it in shape.
    Thought my pictures could be of some help with your project.

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  20. #73
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    Quote Originally Posted by buddy stewart View Post
    Click image for larger version. 

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    Has not been in the water for a long long time Kevlar hull.
    Working on getting it in shape.
    Thought my pictures could be of some help with your project.
    Very cool Buddy.
    Thanks.
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

  21. #74
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    Heres how to do it.

    Nicer than mine, great price and from the same damn place.

    $6K purchase price - $2K for drive and have a donor for 4.

    https://longisland.craigslist.org/bo...495786011.html
    I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.


    I refuse to allow common sense to interfere w/my boat buying decisions.


    Checkmate 16' 140 Johnson
    Hydrostream 17' Vector FrankenRude I
    Laser 480 (?) 21' w/GT 200
    Glastron Carlson Conquest w/XP 2.6
    Glastron Carlson CVX 20 w/XP 2.6
    24' Sonic w/twin 250 Johnsons
    24' Sonic w/twin 250 HO Johnsons
    19' STV River Rocket w/FrankenRude II
    Allison XR 2002 w/Frankenrude II
    Hydrostream 18' V-King w/Frankenrude II

  22. #75
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    Maybe I'll buy just so I can be a copycat.......maybe time to get rid of the STV !

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