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Russel Halligan VTOL Airplane of 1923

hesham

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Hi,

Mr. Russel Halligan designed a new concept for VTOL airplane in 1923,I don't know
if it was actually built or not,and from Aerofiles;

1923 = 1pOH; 30hp Johnson outboard motor. Two rotating Piper Cub-size wing panels driven by propellers set at the leading edge about two-thirds of the way out from the fuselage. Flight information not found

http://www.aerofiles.com/_h.html
http://ru-wunderluft.livejournal.com/252782.html
 

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Schneiderman

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His patent 2308916 is dated 1943, which is odd.
There is a transcript of interviews with him here
http://www.idaillinois.org/cdm/ref/collection/uis/id/2295
It looks like he may have achieved 'lift-off' in 1932, but his stories do sound a bit suspect to me.
 

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hesham

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From, Helicopters Before Helicopters,

anther Project in 1938.
 

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