The Sikorsky/Boeing SB-1 Defiant is back flying after a delay caused by “joint creep” identified in the propulsion system testbed gearbox. The Defiant team decided to fix the issue instead of ...
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 ...
Discover the SB‑1 Defiant story - Sikorsky and Boeing's compound-coaxial helicopter built on X2 technology, reaching over 245 knots and hauling battlefield rockets. Despite test flights, fly‑by‑wire ...
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