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Old 21 August 2012, 14:04   #1
Member
 
Country: UK - England
Town: york
Boat name: donut
Make: quicksilver
Length: 3m +
Engine: 9.9hp yamaha OB
Join Date: Aug 2012
Posts: 16
Prop size and pitch

Just getting back into mucking about in boats after a 10yr lay off with motorbikes.

As a gentle starter to brush up the basics I recently aquired a 3.3m qucksilver Sib and separatly purchased a 1995 9.9hp 2 stroke OB.

My qustion is whats the best all round prop for this sort of set up. Last weekend i got it out on the Ouse for a shake down but it felt like it was strugling to get up on the plane. It reved out freely enough so i suspect the pitch may be set up for pushing a larger vessel. the engine ran smoothly enough so no issues there, just the lack of knots.

Any ideas on sizes and pitch?


Cheers.
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Old 21 August 2012, 14:36   #2
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Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
Is your outboard the 9.9hp Yam in your profile?

What's the current prop size?
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Old 21 August 2012, 14:54   #3
Member
 
Country: UK - England
Town: york
Boat name: donut
Make: quicksilver
Length: 3m +
Engine: 9.9hp yamaha OB
Join Date: Aug 2012
Posts: 16
yes it is and i'm at work so cant get prop info right now.

sorry
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