The helicopter collided with passenger plane carrying 64 people and crew, crashing into the Potomar River late on Wednesday ...

The UH-60 Black Hawk helicopter ... rotor and a single 4-bladed tail rotor. The basic crew complement for the UH-60A is three: pilot, co-pilot and crew chief. The titanium-cored rotor blades ...

Journal of Urban and Environmental Engineering, Vol. 5, No. 1 (January to June, 2011), pp. 15-23 (9 pages) Abstract: Wind energy is a very popular renewable energy resource. In order to increase the ...

Helicopter? Close, but not quite, since the rotor blades are fixed-pitch. We’ll just go with “monocopter” for now and sort out the details later for this ducted-fan, thrust-vectored UAV.

They say that drummers make the best helicopter pilots ... collective and cyclical changes in the angle of attack of the rotor blades. As [Tom Stanton] points out in his latest video, a ...

Rotor blade positioning and deformation can also be investigated. The results obtained make an important contribution to reducing the risk, development time and financial costs associated with ...

The new model has a five-blade main rotor that reduces vibrations ... we can invest in state-of-the-art resources, like this new helicopter, and maintain the highest level of pre-hospital critical ...