SB-1 Defiant - Must go faster!

The SB-1 Defiant is a high-speed multipurpose helicopter project implemented by Sikorsky and Boeing. The project is aimed at participating in the military program to create new generation transports and replace the UH-60 Black Hawk helicopters.

The SB-1 has an unusual layout for a helicopter, based on Sikorsky's research on their XH-59 and X-2 programs. It is equipped with a large coaxial main rotor, as well as a pusher propeller in the tail, providing acceleration. Thanks to these solutions, the Defiant is capable of accelerating to speeds up to 247 knots (457 km/h), making it one of the fastest helicopters in the world. At the moment, the project is still at the development stage, the prototype has passed a significant part of the test program, and Boeing and Sikorsky have also announced its upgraded version, called the Defiant X. The Defiant is the main competitor of the Bell V-280 Valor project, made according to the tiltrotor design.

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00:00 – An unusual helicopter
00:49 – Helicopters are slow
02:02 – Sikorsky XH-59
03:09 – Sikorsky X-2
04:05 – The next generation
07:33 – SB-1 Defiant
13:39 – Flight tests
15:29 – Not enough record speed
17:12 – Defiant X
19:25 – Foggy future