AA Quiz - Helicopter Concepts

In rigid rotor systems, there is:

• Flapping only.

• Feathering only.

• Leading/lagging only.

Flapping, feathering and leading/lagging are all permitted in:

• rigid motor systems

• semi rigid rotor systems

• fully articulated rotor systems

Which control is the cyclic?

• Pink

• Green

• Blue

Which control is the collective?

• Green

• Pink

• Blue

The collective does what to the main rotor blade?

• Changes the pitch angle of all blades at the same time.

• Changes the pitch angle of blades at a specific point in rotation.

Which control changes the yaw of a helicopter?

• Cyclic

• Collective

• Throttle

• Antitorque Pedals

Helicopter blades have the same pitch angle all the way along the blade.

• True.

• False.

The rotational relative wind is at its maximum velocity at the:

• rotor tips.

• rotor roots.

Rotational relative wind flows:

• vertically.

• horizontallly.

• parallel to the plane of rotation.

• perpendicular to the plane of rotation.

Induced flow is air flowing:

• vertically downwards

• vertically upwards

• horizontally

• parallel to the plane of rotation