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acs7671
MMT Pro Member
Joined: Sat Aug 20, 2011 5:59 pm
Posts: 96
Location: Lafayette, LA
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 Changed prop on LT now getting less rpms I've posted this on the LT forum:
Had routin maintenance done and got a new prop on my 23 hp gdlt. Before, I could get above 3500 rpms in the water loaded, now I get 3300 max on the water w/ an empty load.
I'm going to call sportsmans tomorrow and see what he says (where it was serviced)
Any ideas, suggestions?
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| Sun Aug 28, 2011 7:53 pm |
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acs7671
MMT Pro Member
Joined: Sat Aug 20, 2011 5:59 pm
Posts: 96
Location: Lafayette, LA
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Re: Changed prop on LT now getting less rpms rpms oow around 4010 max. not sure what it was before, but i never would go at wot before (even running at 3500 there was still throttle left)
old prop 9x6 and new one is 9x6 (according to receipt)
I'm new to LT's.
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| Sun Aug 28, 2011 8:00 pm |
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acs7671
MMT Pro Member
Joined: Sat Aug 20, 2011 5:59 pm
Posts: 96
Location: Lafayette, LA
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Re: Changed prop on LT now getting less rpms more pics
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| Sun Aug 28, 2011 8:02 pm |
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brianb
MMT Addict
Joined: Mon Nov 29, 2010 6:02 pm
Posts: 534
Location: louisiana
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Re: Changed prop on LT now getting less rpms couple of things could be happening with your prop
1. prop is not the actual pitch it is supposed to be, i purchased a 9x5 before and it actually was a 9x7 with really thick blades and had to have it reworked, so if you have a local prop shop they can check it for you. that would cause lower rpms
2. original prop was wore down so it did not measure 9 inches, that would also allow the motor to turn more rpms
3. and finally one has more cup in it than the other, again all 3 issues relate to your prop so that is where you need to start by having a prop shop measure it
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gtr35 gt 1854 / w gatorglide
12 ft 11hp longtail
14 ft 10 hp longtail
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| Sun Aug 28, 2011 8:22 pm |
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postalpaul
MMT 1000 Club
Joined: Sun Nov 01, 2009 6:25 pm
Posts: 1935
Location: Kaufman- TEXAS
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Re: Changed prop on LT now getting less rpms Where did you buy the prop from??
If your old 9x6 was worn let's say to 8.5 you will spin mo rpm!!
I heard GoDevil repitched there props to help protect the motors.....
I'd say run it
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| Sun Aug 28, 2011 9:12 pm |
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Richard in LA
MMT Pro Member
Joined: Tue Sep 08, 2009 1:58 am
Posts: 282
Location: Prairieville, LA
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Re: Changed prop on LT now getting less rpms You can only get 3300 RPM's empty, WOT?
On my old LT, a new prop would drop the RPM's, but the speed stayed the same. Your old prop has a LOT of the cup worn off, and that makes a big difference. I don't know where you are located at in LA (I'm assuming your in LA since there is an LA plate on the trailer), but Go-Devil will recup that old prop for a small fee, and you would see how much of a difference it actually makes.
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GTR, Waitin' on a DFOU hull
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| Mon Aug 29, 2011 6:56 am |
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UNCLE-J
MMT Sponsor
Joined: Fri Jul 24, 2009 7:26 am
Posts: 10388
Location: S-Ville, LA
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Re: Changed prop on LT now getting less rpms a new prop will have more meat.. so, you will not turn it as fast.
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| Mon Aug 29, 2011 7:06 am |
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acs7671
MMT Pro Member
Joined: Sat Aug 20, 2011 5:59 pm
Posts: 96
Location: Lafayette, LA
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Re: Changed prop on LT now getting less rpms
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| Mon Aug 29, 2011 7:07 am |
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UNCLE-J
MMT Sponsor
Joined: Fri Jul 24, 2009 7:26 am
Posts: 10388
Location: S-Ville, LA
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Re: Changed prop on LT now getting less rpms The Sportsman in Abbeville is a Huge Dealer of Go Devil.. I think the owner and Coco are bestest friends or something.. So, he would have for sure got it from Go Devil.
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| Mon Aug 29, 2011 7:12 am |
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acs7671
MMT Pro Member
Joined: Sat Aug 20, 2011 5:59 pm
Posts: 96
Location: Lafayette, LA
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Re: Changed prop on LT now getting less rpms I spoke w/ someone at a shop and he said that is accurate rpms to be getting.
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| Mon Aug 29, 2011 7:28 am |
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acs7671
MMT Pro Member
Joined: Sat Aug 20, 2011 5:59 pm
Posts: 96
Location: Lafayette, LA
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Re: Changed prop on LT now getting less rpms If I get it measured and it is a 9x6, would a 9x5 be a better prop?
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| Mon Aug 29, 2011 7:37 am |
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bbb
MMT 1000 Club
Joined: Wed Sep 02, 2009 2:54 pm
Posts: 1554
Location: SW Georgia
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Re: Changed prop on LT now getting less rpms
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19x54 Seminole Extreme with a 35hp CDI GDSD. Mikuni. Marsh Mellow. Heads. Cam.
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| Tue Aug 30, 2011 12:56 pm |
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