Coaxial rotors

Sep 21, 2010 - 9:37 AM
The fact that Sikorsky’s experimental X2 is a compound helicopter will not exclude it from setting an official helicopter speed record, according to Marcel
Jul 28, 2009 - 6:25 AM
Sikorsky’s X2 compound helicopter reached another milestone last month by completing two test flights that included full engagement of the high-speed tail
Oct 12, 2007 - 11:02 AM
As the month of May came to a close, a team of Boeing engineers were putting the finishing touches to a one-of-a-kind flying machine at an outpost of that
Oct 10, 2006 - 6:33 AM
At last month’s American Helicopter Society forum in Grapevine, Texas, several OEMs unveiled entirely new projects or reported major progress on projects u
Sep 26, 2006 - 5:54 AM
<p align="center"><b>AgustaWestland A109S Grand</b><br /></p> <br /> The order book for this uprated 109 variant currently stands at almost 60.
...
Sep 19, 2006 - 1:05 PM
Having flown more than 32,000 hours to date on the Kamov Ka-32, British Columbia, Canada-based Vancouver Island Helicopters (VIH) Logging can claim the tit