An introduction to this album

An introduction to this album

Marie and Tracey from the Royal Berkshire Ambulance Unit find out how helicopter rotors work.

Marie and Tracey from the Royal Berkshire Ambulance Unit find out how helicopter rotors work.

How rotor blades are constructed to cut through the air and keep the helicopter off the ground.

How rotor blades are constructed to cut through the air and keep the helicopter off the ground.

Large, high speed military helicopters test the limits of aerodynamics. Their rotors use cutting edge blade technology and design.

Large, high speed military helicopters test the limits of aerodynamics. Their rotors use cutting edge blade technology and design.

The tail rotor keeps the helicopter from rotating. The cyclic stick is responsible for speed, direction and altitude control.

The tail rotor keeps the helicopter from rotating. The cyclic stick is responsible for speed, direction and altitude control.

If the engine cuts out, helicopters go into auto-rotation. Even if there is no engine power, the helicopter glides like a fixed wing aircraft.

If the engine cuts out, helicopters go into auto-rotation. Even if there is no engine power, the helicopter glides like a fixed wing aircraft.