P-V Engineering Forum PV-2

     

P-V Engineering Forum PV-2

On April 11, 1943, Frank Piasecki became the second American to successfully fly a helicopter of his own design, the Piasecki-Venzie PV-2.

Image Number: WEB12744-2013
Credit: Image by Dane Penland, National Air and Space Museum, Smithsonian Institution
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