The SB-1 Defiant coaxial demonstrator hit 230 knots in a flight on Oc. 12, 2020. (Courtesy of Lockheed Martin) WASHINGTON — The Sikorsky-Boeing developed SB-1 Defiant coaxial demonstrator aircraft hit ...
WASHINGTON —The Sikorsky-Boeing SB-1 Defiant coaxial helicopter took off from a West Palm Beach, Florida, facility in the early morning on March 21 for its first flight. The flight has been a ...
The advanced compound helicopter has been developed on the experience of the SB>1 Defiant and will face Bell’s proposal based on the V-280 Valor. Sikorsky/Lockheed Martin and Boeing unveiled on Jan.
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback