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Is my prop too big?
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MMT Member
Joined: Tue Nov 15, 2011 8:29 pm Posts: 18 Location: Port Neches, Texas 
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 Is my prop too big?I was wondering if a 9x7 prop is too big for my 23 gdlt. I cant keep the sob in the water for nothing. Thank yall.
_________________ 40 HP Merc on 15-48 weldbuilt no mudmotor-Still wishing though |
| Tue Dec 20, 2011 7:32 pm |
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MMT Sponsor  Joined: Thu Sep 16, 2010 10:32 pm Posts: 4036 Location: Gonzales La
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Re: Is my prop too big? yes that is too big. my 25 ran a 9x7 but that was ONLY because I never loaded it down.
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| Tue Dec 20, 2011 8:10 pm |
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MMT Sponsor Joined: Thu Sep 16, 2010 10:32 pm Posts: 4036 Location: Gonzales La
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Re: Is my prop too big? GD lists a 9x6 for that engine
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| Tue Dec 20, 2011 8:11 pm |
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MMT Elite Member
Joined: Wed Mar 03, 2010 7:00 pm Posts: 6060 Location: Choudrant, La
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Re: Is my prop too big? It will run a lil faster loaded with a smaller prop.
To keep it in the water you have to adjust the cav. Plate, it's been discussed a time or 2 _________________ CSM Custom 18x42 Battleship with a 36 PD beating you to the hole My Rig (Old Motor) viewtopic.php?f=5&t=45193 (New Motor) viewtopic.php?f=5&t=54733 Stumps Fear Me |
| Tue Dec 20, 2011 8:12 pm |
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MMT Member
Joined: Tue Nov 15, 2011 8:29 pm Posts: 18 Location: Port Neches, Texas
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Re: Is my prop too big? Alrighty, thanks for all yalls input
_________________ 40 HP Merc on 15-48 weldbuilt no mudmotor-Still wishing though |
| Tue Dec 20, 2011 10:24 pm |
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MMT Pro Member
Joined: Fri Apr 03, 2009 2:11 pm Posts: 106
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Re: Is my prop too big? I had a GD 23hp, and ran a 9x5. Do you have a tach? Optimal rmps for the 23hp is 3600 in the water. Also, if your prop was from GD, they will repitch if its new.
_________________ MB 35hp LT/1754 Grizzly |
| Fri Dec 23, 2011 10:27 pm |
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