Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer 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
Date 1887-1903 Country of Origin United States of America Type PROPULSION-Propellers & Impellers Manufacturer Smithsonian Institution
 Physical Description Overall: Fixed-pitch, two-blade Laminated Wood; Hub Reinforcement: Steel; Coating: Original Varnish. 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. Tips reinforced with paper. 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. There is evidence of original varnish and adhesive material. Dimensions Rotor/Propeller: 52.1 x 6.4 x 13.3cm (20 1/2 in. x 2 1/2 in. x 5 1/4 in.)
Storage: 28.58 x 12.07 x 58.42cm (11 1/4in. x 4 3/4in. x 1ft 11in.)
 Materials Wood
Steel
Paper
Adhesive
 Inventory Number A19820606000 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
For more information, visit the Smithsonians Terms of Use.