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Old 08 March 2005, 17:26   #1
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Kernow Buoy's Avatar
 
Country: UK - England
Town: Cornwall
Length: no boat
Join Date: Oct 2004
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Prop Change

Hi all,
Just some info for you on a prop change in case anyone is thinking along similar lines.
old prop 15 x 17 alloy giving 38 kts at WOT 5500 ( 2 up)
new prop SS Rapture 14 1/4 X 19 giving 40.5 kts at WOT 5100 ( 3 up)
Noticeable advantage in retention of cornering speed which I assume is lack of ventilation, Haven't as yet experimented with engine height.
all in all a
Prop-er Job!
Kernow
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Old 09 March 2005, 05:06   #2
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Country: UK - England
Town: Southampton
Boat name: SMH Rib / War Shot
Make: Ribtec / Scorpion
Length: 4m +
Engine: 10hp Yam / 150hp opt
Join Date: Sep 2003
Posts: 1,894
RIBase
Good to hear it's money well spent.


Quote:
Originally Posted by Kernow
Hi all,
Just some info for you on a prop change in case anyone is thinking along similar lines.
old prop 15 x 17 alloy giving 38 kts at WOT 5500 ( 2 up)
new prop SS Rapture 14 1/4 X 19 giving 40.5 kts at WOT 5100 ( 3 up)
Noticeable advantage in retention of cornering speed which I assume is lack of ventilation, Haven't as yet experimented with engine height.
all in all a
Prop-er Job!
Kernow
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