Quote:
Originally Posted by PeterS
What is the efficiency loss with a Kamm tail versus the full shape?
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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.