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Old 9th December 2011, 11:34 PM   #1
berg
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Default Rake of a formula fin

May be a dumb question , but I read some brands measure rake at the trailing edge and some at the leading edge. What will be the good rake for a HWR at the leading and trailing adge. Someone with experience?
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Old 12th December 2011, 07:11 AM   #2
nonopr
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4 degrees rake
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Old 13th December 2011, 09:10 AM   #3
Brett Morris
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Leading edge... 4 degrees is pretty close to normal.
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Old 14th December 2011, 12:48 AM   #4
pfaffi
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rake in degrees of the leading edge depends to the fin outline. A more triangle outline has more degrees at the leading edge than a rectangular outline meaning the same rake. So be careful if you compare different outlines!
But its true the range of the angle of the leading edge is from 2 to 6 deg.
more power at 2 deg, more downwind speed at 6
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Old 13th March 2012, 06:19 PM   #5
berg
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What will be the problem with 0 rake for the hwr, because my virus has 0 rake and upwind its not great?
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