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Sikorsky-Boeing unveils Defiant X offering for US Army s FLRAA

Sikorsky-Boeing unveils Defiant X offering for US Army s FLRAA 26 January 2021 by Pat Host Sikorsky-Boeing unveiled its Defiant X rigid co-axial rotorcraft offering for the US Army’s Future Long-Range Assault Aircraft (FLRAA) effort that features a few design changes from the SB>1 Defiant technology demonstrator on 25 January. The Defiant X is Sikorsky-Boeing’s complete weapon system configuration for the FLRAA competition. It builds on handling qualities and capabilities developed by the SB>1 Defiant, which was built for the US Army’s Joint Multi-Role Technology Demonstrator (JMR-TD) programme. Artist’s illustration of Sikorsky-Boeing’s Defiant X rigid co-axial rotorcraft the team is offering for the US Army’s FLRAA programme. The V-shaped vertical stabiliser design is a modification of the SB>1 Defiant technology demonstrator design. (Sikorsky-Boeing)

Sikorsky-Boeing unveil Defiant X for US Army s FLRAA programme | News

Source: Sikorsky Source: Sikorsky Source: Sikorsky Source: Sikorsky Most noticeably, the helicopter’s exhaust outlets have been covered with a shroud to reduce its infrared signature, a precaution against heat-seeking missiles. The rotorcraft’s landing gear configuration was changed from two mid-section wheels and a tail wheel to a layout that includes a nose wheel, two mid-section wheels and a small wheel under the tail. “We’ve made some changes to the landing gear for a tricycle design landing gear, which improves both stability, but then landing and taxiing in combat and austere environments,” says Heather McBryan, Boeing’s sales and marketing director of Future Vertical Lift.

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