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This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date 1887-1903 Country of Origin United States of America Type PROPULSION-Propellers & Impellers Manufacturer Samuel P. Langley
 Physical Description Overall: Wood; Hub plate: Brass Hub and Shaft Hole Reinforcement: Steel; Original Varnish; Paper 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 (0.2 cm) thick metal plate mounted with screws, on one side only. Shaft hole reinforced with metal tube. Dimensions 3-D (Overall): 61 × 18.4 × 10.2cm (2 ft. × 7 1/4 in. × 4 in.)
 Materials Wood
Varnish
Ink
Paper
Adhesive
Copper Alloy
 Inventory Number A19780093000 Credit Line Transferred from the Smithsonian Institution to the United States National Museum. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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