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canuk
MMT Member
Joined: Fri Jun 03, 2011 2:09 pm
Posts: 19
Location: Edmonton, Alberta, Canada
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 27 BTLT with 9x7 vs. 9x6 prop. So I bought back my old 27 BTLT and have a new 9x6 prop laying around from an even older 23GDLT. Is anyone running 9x6 on a 27hp long tail??
Boat is a 16x48 legendcraft with floors and gun boxes. will be running with 2 people, dog and load of decoys most of the time.
thanks.
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23hp MBHD on a 16x48 riveted jon.
retired: 23GDLT & 27BTLT
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| Fri Jul 22, 2011 8:16 pm |
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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: 27 BTLT with 9x7 vs. 9x6 prop. 9x6 was the best performing prop on my 23 GDLT with a 16x48 and 1 to 2 man
hunting loads for sure..... 9x7 was too much pitch and was way slower with loads
and was only 1 mph faster solo and light loaded....
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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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| Fri Jul 22, 2011 8:38 pm |
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canuk
MMT Member
Joined: Fri Jun 03, 2011 2:09 pm
Posts: 19
Location: Edmonton, Alberta, Canada
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Re: 27 BTLT with 9x7 vs. 9x6 prop. yeah on my 23 as well. but now I have a 27 so i'm wondering if I should keep the spare prop or sell it and find a 9x7 for my spare.
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23hp MBHD on a 16x48 riveted jon.
retired: 23GDLT & 27BTLT
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| Sat Jul 23, 2011 8:37 pm |
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dead duk
MMT Pro Member
Joined: Thu Jun 25, 2009 10:45 am
Posts: 147
Location: Longview,Texas
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Re: 27 BTLT with 9x7 vs. 9x6 prop. find a 9x7 for a spare. I have a mudbuddy 9x7 "used". I will not be using it. If you want it you can have it. Let me know.
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| Wed Jul 27, 2011 7:00 pm |
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spktrout
MMT Pro Member
Joined: Wed Feb 09, 2011 9:41 pm
Posts: 85
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Re: 27 BTLT with 9x7 vs. 9x6 prop. I am running a stock 27 hp longtail (Kohler mud buddy) on a welded 1448 and at 3850 RPM with a 9x6 prop I get about 19.5mph max with just me and the dog. The bottom is ribbed and I know this is not the most efficient boat for this motor but I have put too much work in the boat to change my mind now. The motor is new to me and when this prop wears out I am going to try a 9x7 to see if there is any difference.
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| Mon Aug 15, 2011 5:10 pm |
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canuk
MMT Member
Joined: Fri Jun 03, 2011 2:09 pm
Posts: 19
Location: Edmonton, Alberta, Canada
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Re: 27 BTLT with 9x7 vs. 9x6 prop. well it sounds like I wont be handicapped too badly. The prop that's on it is done so I'll give the 9x6 a shot and see how it works.
Thanks for the offer Dead Duk.
_________________
23hp MBHD on a 16x48 riveted jon.
retired: 23GDLT & 27BTLT
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| Mon Aug 15, 2011 7:34 pm |
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kibb
MMT 1000 Club
Joined: Wed Jan 14, 2009 8:58 pm
Posts: 2731
Location: Lafayette, LA
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27 BTLT with 9x7 vs. 9x6 prop. I'm running 20-21 with a 9x7 on a 27 GDLT at about 3550. That's on a 1644 weldcraft ribbed bateau.
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1644 WeldCraft / 27 GDLT
Ranger R71 / 125 Merc
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| Mon Aug 15, 2011 8:52 pm |
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canuk
MMT Member
Joined: Fri Jun 03, 2011 2:09 pm
Posts: 19
Location: Edmonton, Alberta, Canada
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Re: 27 BTLT with 9x7 vs. 9x6 prop. Well I tried putting my new 9x6 on and it doesn't fit. I know it's a GD prop and I'm running a BT. I thought all the threads were the same? guess not. Does anyone have any insight into what size threads may be on my BTLT? I'm assuming one of them are 3/4x10 the other maybe not.
the GD prop seemed to small to put on my BT shaft if that helps.
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23hp MBHD on a 16x48 riveted jon.
retired: 23GDLT & 27BTLT
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| Fri Aug 19, 2011 1:36 pm |
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wm
MMT F.E.
Joined: Sat Feb 19, 2011 11:48 pm
Posts: 782
Location: Eau Claire Wi
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Re: 27 BTLT with 9x7 vs. 9x6 prop. btlt should be 3/4 10.....i always thought they all were though 
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1648 alumacraft with a 35 backwaterinc
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| Sat Aug 20, 2011 7:06 am |
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