Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Last week, a fascinating experimental helicopter from Sikorsky and ...
The Sikorsky-Boeing SB>1 Defiant coaxial helicopter exceeded 100 kt during a 13 January flight, the tandem announced on 17 January. The aircraft, being developed for the US Army under its Joint ...
The Sikorsky-Boeing team behind the SB-1 Defiant demonstrator is pressing on with additional flight tests, five months after submitting to the US Army a proposal for the Future Long Range Air Assault ...
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 ...
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