Ottino-Wyllie Direct Lift Concept of 1909

Thread starter hesham
Start date 21 February 2020

hesham

ACCESS: USAP

Senior Member

21 February 2020

#1

Hi,

consider a "direct lift device",it was designed by Giuseppe P. Ottino and George A. Wyllie in 1909.

https://elpoderdelasgalaxias.wordpr...d-wyllie-rotary-aircraft-the-flying-conveyor/

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