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-   -   20sf prop recommendation (http://www.classicseacraft.com/community/showthread.php?t=25529)

Aquabart 06-06-2013 07:01 AM

20sf prop recommendation
 
Hi all, I have to prop my 20sf and need some recommendations. I bought the boat with a blown 115 1986 Suzuki and have since re powered with a 1996 Yamaha pro v 150 with no prop. Any help would be greatly appreciated. Thanks!!!

Mikem8560 06-06-2013 08:25 AM

I had a 150 evinrude 2 stroke had a 15p prop and hit about 35


http://www.youtube.com/watch?v=oREgh4QJzPs&feature=

bitsamonkey 06-06-2013 09:46 AM

A good starting point would be a factory Yamaha 19" prop. They're some kind of semi cleaver with good stern lift. Then, if you need to, you can have it re-pitched up or down ... probably down if anything.

eggsuckindog 06-07-2013 01:00 AM

never swing a 19 a 17 something

bitsamonkey 06-07-2013 09:36 AM

That motor has a 2:1 lower unit and will swing a 19. 5500 rpm, 19", 15% slip gives you 42 mph.

eggsuckindog 06-07-2013 05:19 PM

forgot about the 2:1 mine has a 1.87

gofastsandman 06-07-2013 06:27 PM

Quote:

Originally Posted by Aquabart (Post 216718)
Hi all, I have to prop my 20sf and need some recommendations. I bought the boat with a blown 115 1986 Suzuki and have since re powered with a 1996 Yamaha pro v 150 with no prop. Any help would be greatly appreciated. Thanks!!!

Might want to edit your profile. I have 5 or 6 props. Where are you? Recently got a PT QSM and want to give her a spin.

McGillicuddy 06-07-2013 08:34 PM

Quote:

Originally Posted by gofastsandman (Post 216786)
Might want to edit your profile. I have 5 or 6 props. Where are you? Recently got a PT QSM and want to give her a spin.

Xanderman, PT QMS or MQS? What pitch? Are you stil running a jonnyrude? Is this for the racer or the Mighty slacker? Look forward to hearing your results.

gofastsandman 06-07-2013 09:06 PM

Oooops. MQS 4 15p. Just rebuilt her carbs. I love my slacker. New bowls with the big kit which I should have done the first time... The old style alum. 3 deuces are far better than the Minlons. Anyone know if you can retrofit the old style on that reed plate? Plastic carbs cause pause. Fingertip pause please. Look at the coarse threads.

Not for the ham handed. Mmm ham. My pig has never sounded better. Wheee!
Ok Clifford you`re home.
Cheers,
Dead Lobstah. Hmm.

Aquabart 06-08-2013 11:39 PM

Quote:

Originally Posted by gofastsandman (Post 216786)
Might want to edit your profile. I have 5 or 6 props. Where are you? Recently got a PT QSM and want to give her a spin.

I'm in RI


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