23. Sikorsky S-97 Raider
The S-97 Raider, a high-speed scout and attack compound helicopter based on the Advancing Blade Concept (ABC) with a coaxial rotor system, may still be in development, but it will be in service sooner than you think. Sikorsky wanted to sell it to the Armed Aerial Scout program of the United States Army, among other prospective customers. On May 22, 2015, the fuselage was subjected to simulated bird collisions at speeds up to 235 km (435 km/h; 270 mph), the S-97’s anticipated maximum flight speed. Drop tests were also performed to ensure that the gasoline tanks would not be damaged in the event of a collision.
23. Sikorsky S-97 Raider
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