Sikorsky tested its experimental X2.
"The X2 TECHNOLOGY Demonstrator is designed to establish that a helicopter can cruise comfortably at 250 knots, while retaining such desirable helicopter attributes as excellent low speed handling, efficient hovering, and safe autorotation, combined with a seamless and simple transition to high speed."
The innovative helicopter is planned to be significantly faster than existing helicopters.
"The milestone culminated more than four years of design, development and testing of the Demonstrator aircraft’s suite of technologies that are intended to advance the state-of-the-art, counter-rotating coaxial rotor helicopter."
(Image: Sikorsky)
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