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post #1 of Old 03-25-2012 Thread Starter
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Fixed vs folding prop

Any guess as to the speed advantage of a 37' boat with a saildrive fixed vs folding prop. The fixed blades have a surface area of 35-38".(each blade is 7" x 3" +/-) What do you think, reaching 12 knots of wind... Fixed is 6.7knots on the polars.
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