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Old 08-30-2013, 07:12 PM   #235 (permalink)
aerohead
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loss

Quote:
Originally Posted by PeterS View Post
What is the efficiency loss with a Kamm tail versus the full shape?
If you'll go to the Aerodynamics Forum,under the thread:'Some added tables for AS'Template' Part-C you'll find a formula and graph for determining the drag change for airfoils based upon degree of truncation.Then below you'll find a comparison with the Jaray-type section shortening.
Hope it helps.
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