Helicopter rotor

Bell 525
Feb 1, 2013 - 12:15 AM
Jul 26, 2011 - 7:30 AM
Sikorsky’s X2 technology demonstrator, a high-speed semi-compound helicopter, flew for the last time on July 14 at the company’s West Palm Beach, Fla.
Jun 28, 2011 - 4:15 AM
Sikorsky Innovations has completed wind-tunnel testing of an active rotor system equipped with “high-authority” flaps, paving the way for what it says will
May 29, 2011 - 1:45 PM
The pair of “low-observable” Sikorsky Black Hawks used in the raid by U.S.