An aircraft that produces lift using airfoils that are driven and rotate about a vertical axis.

Collective Pitch Control

Used to change simultaneously the pitch of all of a helicopter rotor′s blades to permit ascent or descent.

Cyclic Pitch Control

Means of changing the pitch of a rotor′s blades progressively, to provide a horizontal thrust component for flight in any horizontal direction.


The rotating-wing assembly of a helicopter, comprising the rotor hub and rotor blades.

See also: Aircraft, Autogyro, Autorotation.

Previous PageView links to and from this pageNext Page

Subjects: Aviation Mechanical Engineering

glue-it.co.uk Photographic reference material.