Unique Flying Machines Sikorsky S-72


Unique Flying Machines Sikorsky S-72

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Unique Flying Machines Sikorsky S-72: This March, we’re celebrating the Sikorsky S-72 – an experimental aircraft developed in the mid-1970s.

Once modified with an X-wing, this unique aircraft was designed for vertical takeoffs just like a helicopter.

The rotary X-shaped wing could also be stopped in mid-flight to provide additional lift.

Though development and testing of the modified S-72 X-wing were approved in 1983 and a prototype was unveiled in 1986, the program was canceled in 1988 before the aircraft ever flew.