The SB-1 Defiant pushed helicopter design beyond 200 knots with its coaxial rotor and pusher propeller system, redefining ...
Hosted on MSN
Defiant X: The helicopter built for the future
Sikorsky and Boeing created the Defiant X as a high speed replacement for the legendary Black Hawk combining new rotor technology with the flight characteristics of a helicopter and fixed wing plane ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results