Helicopter can fly a few tons of aircraft weight only by rotating the propeller. A YouTube channel that explains complicated technologies easily with movies about how the engine "Turbo shaft engine" ...

Helicopters come in a variety of models and designs intended for different purposes. Used by both civilians and the military, you'd be surprised at what some of these flying machines are capable of in ...

The Apache helicopter is one of the most feared military helicopters in the world, and with good reason. The Apache has a top speed of 186 mph, it's armed to the teeth with a multitude of missiles, ...