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#1
04-05-2007, 09:04 PM
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Prop on 150 merc/ on 20 SF
Ya, its a 17 degree pitch on a 150 merc........I had a 17 degree pitch on my 90.....seems odd huh>
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1984 Seacraft 20' SF. W/2004 Mercury Saltwater 150 http://i98.photobucket.com/albums/l2...LOGODONE-1.jpg 
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#2
04-06-2007, 12:27 AM
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Re: Prop on 150 merc/ on 20 SF
AK - What year was your 90hp? If I remember correctly a Merc 90hp two stroke had a 2.3:1 ratio . . . and your 150 is 1.87:1
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#3
04-06-2007, 01:12 PM
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Re: Prop on 150 merc/ on 20 SF
2001 merc 90
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1984 Seacraft 20' SF. W/2004 Mercury Saltwater 150 http://i98.photobucket.com/albums/l2...LOGODONE-1.jpg
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#4
04-06-2007, 01:47 PM
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Re: Prop on 150 merc/ on 20 SF
Should be 2.3 to 1
Here's a good online prop calc for you. http://www.go-fast.com/Prop_Slip_Calculator.htm
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