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#1
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Technical note: NACA technical note TN 508
Author: Peck W.C Title: Landing characteristics of an autogiro. http://ntrs.nasa.gov/archive/nasa/ca...1993081285.pdf Last edited by Jean Claude; 03-06-2012 at 10:53 PM. |
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#2
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it published in 1938...
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#3
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Oh Yes, thank you Dave. I corrected
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