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GASO448
MMT Member
Joined: Sat Apr 08, 2017 8:13 pm
Posts: 14
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 GDSD...Do I need a new prop? Hey guys,
I have a 1748 Uncle J with a 27hp GDSD. I ran the boat in the sand on the Texas coast for about 2 years. It seems like I've lost a bit of speed and its throwing a big rooster tail. My Tiny Tach has died so I don't know what type of RPMs I'm running WOT.
I know next to nothing about props, but I'm assuming I need a new one or get this one worked. It measures fine, but I've got a couple dings. I definitely need some help/advice.
IMG_2399.jpg
IMG_2398.jpg
IMG_2397.jpg
Thoughts? Thanks guys!
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| Sat Jan 27, 2018 2:34 am |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am
Posts: 4323
Location: Cut Off, La.
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Re: GDSD...Do I need a new prop? It looks like you need a new prop.
But the first step is to get a tach and see what your rpms are.
If you’ve run sand for 2 years, your prop is about toast.
I always found that the GDSD’s didn’t throw a big rooster tail, maybe trim down a bit.
_________________
Refurbishing a Prodrive
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| Sat Jan 27, 2018 9:16 am |
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CypressCritter
MMT F.E.
Joined: Tue Aug 26, 2014 10:36 am
Posts: 822
Location: Jefferson TX
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Re: GDSD...Do I need a new prop? Buy a new prop and get the old one reworked, never hurts to have backup.
_________________
SEAARK FX 2472 CC Merc 150HP 4Stroke(CypressCadillac)
Uncle J Custom - 19x54 CC Skiff w/40XD GTR
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| Sat Jan 27, 2018 9:21 am |
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GASO448
MMT Member
Joined: Sat Apr 08, 2017 8:13 pm
Posts: 14
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Re: GDSD...Do I need a new prop? Thanks guys! Got a new tach on order. Coming tomorrow.
Should I just buy a new one from GD or are there better/cheaper options out there? I searched around a little bit but I just found more expensive props.
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| Sat Jan 27, 2018 5:13 pm |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am
Posts: 4323
Location: Cut Off, La.
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Re: GDSD...Do I need a new prop?
_________________
Refurbishing a Prodrive
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| Sat Jan 27, 2018 5:23 pm |
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CypressCritter
MMT F.E.
Joined: Tue Aug 26, 2014 10:36 am
Posts: 822
Location: Jefferson TX
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Re: GDSD...Do I need a new prop? Hill Marine has 2 blade for 219.00 plus shipping, multiple pitch options.
_________________
SEAARK FX 2472 CC Merc 150HP 4Stroke(CypressCadillac)
Uncle J Custom - 19x54 CC Skiff w/40XD GTR
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| Mon Jan 29, 2018 10:33 am |
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kirk
MMT F.E.
Joined: Thu Apr 18, 2013 5:52 pm
Posts: 870
Location: SW LA
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Re: GDSD...Do I need a new prop?
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| Mon Jan 29, 2018 4:08 pm |
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CypressCritter
MMT F.E.
Joined: Tue Aug 26, 2014 10:36 am
Posts: 822
Location: Jefferson TX
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Re: GDSD...Do I need a new prop? not on their website, but if you change to a 2 blade -- need to go up in pitch and/or diameter. that is where a tach comes in handy for hitting the WFO rpm range in the sweet spot.
_________________
SEAARK FX 2472 CC Merc 150HP 4Stroke(CypressCadillac)
Uncle J Custom - 19x54 CC Skiff w/40XD GTR
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| Mon Jan 29, 2018 8:04 pm |
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craig
MMT Elite Member
Joined: Tue Jan 13, 2009 7:53 pm
Posts: 7515
Location: Chauvin
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Re: GDSD...Do I need a new prop? You don't necessarily need a new prop.
Send it to get re-worked. It still has life left.
_________________
1750 GatorTail Extreme/Stage 3 37 GTR HD
Procrastination is a lot like masturbation. Sure it sounds great at the time but, in the end your only f--k--g yourself.
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| Tue Jan 30, 2018 10:54 am |
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GASO448
MMT Member
Joined: Sat Apr 08, 2017 8:13 pm
Posts: 14
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Re: GDSD...Do I need a new prop?
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| Wed Jan 31, 2018 3:16 am |
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Gigafowl
MMT Elite Member
Joined: Tue Jan 13, 2009 7:19 pm
Posts: 6441
Location: Trinity Bay - Texas
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Re: GDSD...Do I need a new prop? Diameter means nothing....
Measure ACROSS blade width - new is 3 1/2" - 3 1/4" lost some performance - under 3" junk...
PS - never seen anyone properly rework a 3 blade !
They over-cup it and you can't keep it down on a GDSD...
Just buy a new prop and keep old one as is as a spare...
_________________
Eat - Sleep - Hunt ! ! !
"It is good to have an end to journey toward; but
it is the journey that matters, in the end."
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| Wed Jan 31, 2018 7:19 am |
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Wchauvin
MMT 1000 Club
Joined: Sat Sep 30, 2017 7:10 pm
Posts: 1872
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Re: GDSD...Do I need a new prop? If anyone can properly rework it, it would be baggy in Houma. Dude is on point.
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| Tue Apr 24, 2018 7:48 pm |
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