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Old 07-30-2013, 06:06 PM   #30 (permalink)
aerohead
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drawing

Quote:
Originally Posted by sendler View Post
This drawing would be a good example of the tail I am building and what effects a truncation will have Though I am having trouble correlating the ratio that is displayed into our concept.
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Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - aerohead's Album: Book illustrations - Picture
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This is W.A.Mair's boat tail.
CAUTION!!!!!!!!!!!!!!!!
The values he presents here are with skin friction removed.If the friction drag is re-introduced the curve takes on a very different appearance.
I've posted an image of Mair's entire wind tunnel model elsewhere.
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