Helicopters

Exploded illustration of a propeller assembly.

A rig built by the Parsons Corporation to test different helicopter blade designs.

Parsons Corporation employees posing with a batch of helicopter blades.

A helicopter designed and built by the Parsons Corporation.

A drawing of a design for a transport helicopter.

A helicopter blade prototype.

Drawings of helicopter blade designs.

Factory workers manufacturing helicopter blades.

Three men stand in front of a Cheyenne helicopter with blades produced by the Parsons Corporation while two other men inspect the cockpit.

The Parsons Corporation produced a wide variety of helicopter blades through the war years and beyond. Numerical control allowed them to create and produce complex shapes in a variety of materials to suit the needs of each aircraft and application.