Sikorsky X2 Wins Collier Trophy

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Demonstrator


Commercial variant


Assault and utility


Search and rescue


Attack

The award of what is arguably the most prestigious award in aerospace is well deserved.

They have validated that their advancing blade concept helicopter can work, and work without the workload or vibration issues that bedeviled its predecessor in the 1980s, and they have done so on a relative shoestring.

It appears to have most of the advantages, and none of the disadvantages of tilt-rotor technology.