​This Wacky Sci-Fi Plane-Helicopter Hybrid Was Totally Almost a Thing

By the end of WWII, the basics of helicopter technology as we know it had generally been worked out—and we'd begun to reach the aircraft's physical limitations. For the US Air Force, the solution to the issue running up against these performance walls was simple: Combine the best parts of a helicopter and jet… » 11/18/13 11:40am 11/18/13 11:40am

Sikorsky X2 Helicopter Tested, Even Cooler than Expected

Sikorsky, makers of the Blackhawk and other sleek helicopters, have successfully tested their X2 Technology Demonstrator, a prototype designed to showcase new propulsion systems that will allow their helicopters to fly at twice the speed of conventional ones. And it looks sci-fi pretty too, even more so from the… » 9/03/08 8:15am 9/03/08 8:15am

Sikorsky X2 Sleek Triple Blade Helicopter

Here's the Sikorsky X2, a prototype helicopter with three blades that is set to fly at the end of the year at 287mph. That's 240 knots versus the usual 170kt of conventional choppers. We saw the idea a while ago and, after some cancellations of the program by the military, Sikorsky is now building it on their own. To… » 6/18/07 8:43am 6/18/07 8:43am