Helicopters like this AH-46 Apache might have better speed, range, and payload capability using blades with embedded carbon nanotubes. Engineers at the Army Research Laboratory are exploring the use ...

Helicopters can deliver military troops or rescue the wounded in tight spaces, but their rotating blade design also puts a hard limit on their speed and maneuverability. Now researchers have begun ...

The number of blades a helicopter has is very important because it speaks to what the helicopter was designed to do. For example, adding more blades can significantly improve a helicopter's ...

Kopter is progressing with tests of its AW09 light-single in a new aerodynamically improved configuration and will also test new main rotor blades in the new year, but there is continued uncertainty ...