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 ...
The Aviationist on MSN
New photos raise questions about China's coaxial-rotor helicopter knockoff
New images recently emerged raise the possibility that China has built another compound helicopter demonstrator, following ...
Carro e Motos on MSN
China tests helicopter with coaxial rotors inspired by the S-97 and SB-1 Defiant
New images circulating on Chinese social networks indicate that China may be testing a second demonstrator of a compound helicopter based on the coaxial rotor and rear propulsor architecture, a ...
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