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Honeywell to power DEFIANT X
Lockheed Martin Sikorsky-Boeing selected Phoenix-based Honeywell Aerospace to provide its new HTS7500 turboshaft engine as the power behind the DEFIANT X helicopter. The 7,500shp engine is the latest ...
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Why US Army scrapped its fastest helicopter ever
The SB-1 Defiant pushed helicopter design beyond 200 knots with its coaxial rotor and pusher propeller system, redefining ...
What does it take to build a military vehicle? A company must prove it can manufacture machines that get the job done, keep their occupants safe, and most important of all, cost less than similar ...
China appears to be embarking upon an ambitious, long-term plan to keep pace with U.S. advances in helicopter technology by emphasizing speed; stealth; and innovative, next-generation designs. The ...
Newly emerged images raise the possibility that China has built another compound helicopter demonstrator, following the S-97 Raider-like aircraft seen in 2025, this time bearing a resemblance to the ...
The Sikorsky-Boeing SB>1 Defiant co-axial compound helicopter returned to flight in late September after a bearing creep issue in the Power System Test Bed (PTSB) gearbox grounded the aircraft for six ...
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