Liberty Engine Impeller


Display Status:

This object is on display in the Boeing Aviation Hangar at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Liberty Engine Impeller

Inventory Number


Physical Description

Two-blade impeller with 2 manufacturer stickers on both blades; metal hub insert in place with 4 screws.

Credit Line

Gift of John Youtz

Country of Origin

United States of America


Walnut wood, metal hub


Rotor/Propeller: 38.1 x 13.2 x 5.4cm (15 x 5 3/16 x 2 1/8 in.)

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


PROPULSION-Propellers & Impellers