Test Propeller, Langley


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.



Inventory Number


Physical Description

Small Propeller used for aerodynamic testing only. Not used for flight trials on aircraft or models. Constructed from narrow wooden strips glued together similar to boat planking and then sanded to a smooth airfoil cross section. Hub reinforced with a 1/16 inch thick metal plate mounted with screws, on one side only. Shaft hole reinforced with metal tube.

Credit Line

Transferred from the Smithsonian Institution to the United States National Museum.

Country of Origin

United States of America


Steel; Unidentified wood; Doped fabric


  • Rotor/Propeller: 100.3 x 14.3 x 44.5cm (39 1/2 in. x 5 5/8 in. x 17 1/2 in.)
  • Storage: 107 x 50.5 x 19.7cm (42 1/8 x 19 7/8 x 7 3/4 in.)
  • Storage (Aluminum pallet with fabric cover): 152.4 × 213.4 × 152.4cm, 238.6kg (60 × 84 × 60 in., 526lb.)

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