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Helicopters

ParProp Drawing

Exploded illustration of a propeller assembly.

Helicopter Blade Testing

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

Parsons Built H21 Blade

Parsons Corporation employees posing with a batch of helicopter blades.

Parsons Corporation Helicopter

A helicopter designed and built by the Parsons Corporation.

H-21 Transport Helicopter Drawing

A drawing of a design for a transport helicopter.

Helicopter Blade Model

A helicopter blade prototype.

Helicopter Blade Drawings

Drawings of helicopter blade designs.

Helicopter Blade Construction

Factory workers manufacturing helicopter blades.

Three People with Helicopter

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. 

Helicopters