Test of a hybrid vehicle that has been called a "buoyant rotor system". It combines the vertical heavy-lift capability of a helium-filled balloon with the maneuverability of a helicopter. From Vertiflite, September/October 1975, page 14
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Model of American Engineering Co.'s Aerocrane is readied for test

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Test of a hybrid vehicle that has been called a "buoyant rotor system". It combines the vertical heavy-lift capability of a helium-filled balloon with the maneuverability of a helicopter.

From Vertiflite, September/October 1975, page 14

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Added to Vertiflite Images and categorized in — 8 years ago

 

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