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This is a replica of the propeller used by Roy Knabensahue, an early aviation dare devil, on the airship he built in 1905 and piloted over New York City, the first successful flight operation over that city. Although quite crude, it is typical of the propellers used by aviation pioneers.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type PROPULSION-Propellers & Impellers Manufacturer Roy Knabenshue
 Physical Description Type: Two-Blade, Fixed-Pitch, Wood and Fabric Diameter: 304.8 cm (120 in.) Chord: 65.4 (25.8 in.) Engine Application: 7.5 kw (10 hp), Air-Cooled, Four-Cylinder Dimensions 3-D (Propeller): 299.7 × 69.8 × 15.2cm, 2.7kg (9 ft. 10 in. × 2 ft. 3 1/2 in. × 6 in., 6lb.)
Storage (Aluminum Pallet): 327.7 × 122.6 × 48.3cm, 91.2kg (10 ft. 9 in. × 4 ft. 1/4 in. × 1 ft. 7 in., 201lb.)
 Materials Unidentified wood, Steel, Paint, Textile, Aluminum alloy
 Inventory Number A19400021000 Credit Line Gift of Roy Knabenshue Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use. You may also like Chauffeur of the Skies: A. Roy Knabenshue’s Passenger Registries September 29, 2020