This from Flight last October:
Sikorsky starts construction of S-97 Raider prototypes
Originally Posted by Flightglobal
Sikorsky has started building two prototype S-97 Raider high-speed compound helicopters for the US Army's prospective Armed Aerial Scout programme.
The coaxial-rotor, pusher-prop machine is based on the company's revolutionary X-2 design which won the Collier Trophy in 2010. The S-97 is currently in its detailed design phase, but because Sikorsky is developing the aircraft as a prototype, the company has already started fabricating the new rotor-craft.
"We're in detailed design right now," says Doug Shidler, Sikorsky's S-97 programme manager. "And because we're a rapid prototype programme, as we're going through detailed design, we're also building parts."
Parts of the aircraft's fuselage are already being built as are other components throughout the airframe. In fact, some components have already been completed, Shidler says. The objective for the year is to complete the design.
The aircraft should move into final assembly by the middle of next year, Shidler says. The aircraft should enter ground and flight testing in 2014. "Things are moving along as projected," he adds.
Fascinating programme.
Edit: Also, this video from Nov/Dec 2012:
Last edited by BossEyed; 21st January 2013 at 13:49.
Reason: To add YouTube link