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02-12-2018, 06:31 PM #61
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
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02-12-2018, 06:42 PM #62
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
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02-13-2018, 07:49 AM #635000 RPM
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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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Instigator liked this post
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02-13-2018, 09:33 AM #64
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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02-13-2018, 10:27 AM #65
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
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02-13-2018, 10:32 AM #665000 RPM
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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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Instigator liked this post
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02-13-2018, 11:16 AM #67
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..Last edited by JUPITER PULSARE; 02-13-2018 at 11:18 AM.
J-Town Hot Boat Team
Barracuda 188CCR/Suzuki 140
Past Boats:
Checkmate 2800SX/Twin Merc 250’s
Checkmate Pulsare 2400/Verado 300
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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Pyro Chuck thanked for this postFrank Molé, Pyro Chuck liked this post
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02-13-2018, 12:49 PM #68
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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Instigator liked this post
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02-13-2018, 07:35 PM #69I'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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02-13-2018, 07:44 PM #70Member
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Sutphil liked this post
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02-13-2018, 07:57 PM #71I'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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02-13-2018, 10:18 PM #72Member
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Instigator thanked for this postInstigator liked this post
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02-15-2018, 12:48 AM #73I'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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02-15-2018, 03:33 PM #74
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.htmlI'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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02-15-2018, 05:02 PM #755000 RPM
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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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Instigator liked this post
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