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In January 2021, Sikorsky-Boeing announced the Defiant X variant, specifically designed for the Future Long-Range Assault Aircraft program. [23] In February 2022, Sikorsky-Boeing picked Honeywell's new HTS7500 engine, a derivative of the Honeywell T55 engine that powered the SB-1 demonstrator, as the powerplant. [24]
The Raider X concept was derived from the earlier Sikorsky S-97 Raider, which had been developed for the Army's Armed Aerial Scout program; the S-97 was in turn developed from the Sikorsky X2 prototype compound coaxial helicopter. [3] A larger Sikorsky–Boeing SB-1 Defiant was also developed from the X2 under the Army's Future Vertical Lift ...
On 4 May 2009, Sikorsky unveiled a mockup of a Light Tactical Helicopter derivative of the X2, [18] and unveiled a prototype in October 2014. [19] [20] [21] In June 2014, Sikorsky/Boeing submitted the SB-1 Defiant helicopter design for the Future Vertical Lift program based on the X2 principle, [22] [23] which was approved by the Army in ...
Raider X: 2023: compound helicopter with rigid coaxial rotors for US Army's Future Attack Reconnaissance Aircraft competition S-103 [37] Defiant X: compound helicopter with rigid coaxial rotors for US Army's Future Long-Range Assault Aircraft competition Firefly: electric S-300 unveiled in 2010 X2: 2008: 6,000: 2.72
In January 2021, Sikorsky-Boeing announced the Defiant X variant, specifically designed for the Future Long-Range Assault Aircraft program. [41] In February 2022, Sikorsky-Boeing picked Honeywell's new HTS7500 turboshaft engine, which will replace the Honeywell T55 engine that powered the SB-1 Defiant technology demonstrator platform informing ...
The Future Long-Range Assault Aircraft (FLRAA) program was initiated by the United States Army in 2019 to develop a successor to the Sikorsky UH-60 Black Hawk utility helicopter as part of the Future Vertical Lift program. The UH-60, developed in the early 1970s, has been in service since June 1979.
The Boeing-Sikorsky team offering the SB-1 Defiant was also chosen. [22] Announcement of the selections was officially made on 3 October 2014, and the teams began building technology demonstration aircraft for test flights in 2017. [23]
Sikorsky–Boeing SB-1 Defiant: Compound helicopter: A Boeing-Sikorsky flight demo of the SB-1 Defiant, the SARA, and the S-97 Raider at the William P. Gwinn airport in West Palm Beach, FL, Feb. 20, 2020. A major portion of the airframe structure was designed and manufactured at Swift’s facility in San Clemente, California by an integrated ...