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The Hiller VXT-8 Coleopter was a proposed

annular wing A closed wing is a wing that effectively has two main planes which merge at their ends so that there are no conventional wing tips. Closed wing designs include the annular wing (commonly known as the cylindrical or ring wing), the joined wing, ...

VTOL A vertical take-off and landing (VTOL) aircraft is one that can take off and land vertically without relying on a runway. This classification can include a variety of types of aircraft including helicopters as well as thrust-vectoring fixed-win ...

aircraft designed in the United States in the late 1950s, inspired by the French

SNECMA Coléoptère The SNECMA C.450 Coléoptère (meaning "beetle" in French, descended from Greek for "sheathed wing") was a vertical take-off and landing (VTOL) aircraft that was designed by the French company SNECMA and manufactured by Nord Aviation. While work ...

. The project did not progress beyond the mockup stage.

External links

Smithsonian Air and Space Museum site about the involvement of Stanley Hiller in the development of the Coleopter
Annular-wing aircraft VXT-8 1950s United States experimental aircraft Tailsitter aircraft {{aero-1950s-stub