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Old 27 April 2012, 14:48   #11
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Country: USA
Town: Seattle
Boat name: Water Dog
Make: Polaris
Length: 4m +
Engine: Yamaha 60hp
Join Date: Apr 2007
Posts: 1,152
Changing prop brands has made as much as 2" or more in pitch to me (Yam F60). Blade area and/or small changes in diameter is ALOT more important than any of the pitch calculators would have you believe.

The 6 bolts is rediculous, you could remove the middle ones on each side and fill those holes, then raise the engine.
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Old 27 April 2012, 16:15   #12
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Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 60hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 3,267
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Coachrib has the new Yammie 70hp (jammy dodger ) on his XS 5.3. http://www.rib.net/forum/attachment....0&d=1322159397
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Old 27 April 2012, 17:05   #13
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Country: UK - England
Town: Blackpool
Boat name: Indigo
Make: Humber
Length: 5m +
Engine: Etec 60 Hp
Join Date: Jun 2011
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I did wonder about various makes of prop and the differences.........I guess with SS being the more 'business' end of the market it could make quite a difference. Thanks for the info captnjack.

Is coachrib about? and can he / she answer any of the above questions (substitute XS for Destroyer.....)

Thanks
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