2 Results for



Sikorsky S-97 helicopter shoots for speed with unusual design

It's not every day you see a helicopter that looks like this. But that unconventional rotor placement will help drive the S-97's exceptional speed.

By October 3, 2014


Eurocopter concept puts new spin on autogyro

The Eurocopter Group has built a mash-up of helicopter and fixed-wing aircraft--the X3--that it hopes will eventually fly at a zippy 220 knots.

By September 29, 2010