SailNet Community - View Single Post - Wind powered vehicle speeds much faster than wind; downwind!
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post #42 of Old 07-19-2011
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Actually, our blade pitch is not terribly small. We use variable pitch, but run about an 18 foot pitch at our design point (prop advances 18 feet in one rotation). That puts the prop tips about 20 degrees out of plane - giving them an angle of attack around 5 degrees at speed.
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