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Joseph Testagrose
March 9th 12, 11:36 AM
Alan Erskine[_4_]
March 9th 12, 02:45 PM
On 9/03/2012 10:36 PM, Joseph Testagrose wrote:


Despite appearances, it was still piston-powered:
http://en.wikipedia.org/wiki/Cierva_W.9
Bob (not my real pseudonym)
March 9th 12, 03:41 PM
The original NOTAR?
Google