http://englishrussia.com/2013/10/07/helicopters-assembly-in-pictures/
lunes, 7 de octubre de 2013
Helicopters of the future: A brief history (pictures) - CNET
Helicopters of the future: A brief history (pictures) - CNET
http://feedly.com/k/1b1HSKp
Helicopters of the future: A brief history (pictures)
CNET
One of the participants in the JMR TD initiative is this helicopter design, a joint concept put forward by a Sikorsky-Boeing tag team. It's based on Sikorsky's X2 technology, which in 2010 propelled a demonstrator helicopter to 250 knots in flight ...
shared via http://feedly.com