Engineers at the Army Research Laboratory are exploring the use of carbon nanotubes to make helicopter blades perform better. Nanotubes have been shown to dissipate energy when embedded in small ...

SANFORD — Jeff Small owes his company, in a way, to having long hair years ago. His Advance Composite Structures at Sanford’s airport, specializing in the esoteric craft of refurbishing helicopter ...

Along with serving as a warning system, though, the setup could also be used simply to study the behaviour of rotor blades, helping in the design of longer-lasting, better-performing models. Although ...

A dual-rotor concept to improve helicopter performance achieved first flight more than a year after originally planned. Will the design live up to its promise? A futuristic helicopter prototype ...

Wind turbines are being reinvented left, right, and center. A Swedish company is developing a floating wind turbine system made up of 126 small turbines spinning in unison. An American designer has ...

The Sikorsky S-72 was more than just a visually striking aircraft. This unique and unusual vehicle could take off and land vertically like a chopper, but it could also fly fast and far like a plane.

Operator and crew in 2002 accident could not have known of danger, says UK report A rotor blade crack that could not have been detected by the flightcrew or the operator led to blade separation ...