Franklin Institute VTOL Projects of 1950s

hesham

hesham

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Hi,

in the Spangenberg archive,they mentioned this Convertiplane as a real
Project studied,but I can't find any drawings or patent for it.

books.google.com.eg

Flying Magazine

books.google.com.eg
 

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Oh sorry my dear Jemiba,

I don't remember it,we can merge those topics.
 

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