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Hal Bryan
09-06-2011, 10:32 AM
Anyone ever heard of this?


464 (http://retromechanix.com/articles/aerospace/rotary-wing/granville-racing-gyroplane-1935/)


http://retromechanix.com/articles/aerospace/rotary-wing/granville-racing-gyroplane-1935/

Bob Dingley
09-06-2011, 03:10 PM
Someone must have awoke from a bad dream when they designed this. If it actualy was built, the Vne most certainly had to be held below 100Kts (decreasing with altitude, of course).
Why?
Bob

martymayes
09-06-2011, 06:26 PM
That looks like it would have the same functionality as a screen door on a submarine....