Test Propeller, No.12/10, Langley

Image of this Object

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

Physical Description:
Overall: Laminated Wood; Hub and Shaft Hole Reinforcement: Brass plate with Steel screws and nails; 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. 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.

Country of Origin
United States of America

Manufacturer
Smithsonian Institution

Date
1887-1903

Type
PROPULSION-Propellers & Impellers

Materials
Wood, Brass, Steel
Dimensions
Rotor/Propeller: 60.3 x 11.8 x 17.8cm (23 3/4 in. x 4 5/8 in. x 7 in.)
Storage: 66.04 x 29.21 x 15.88cm (2ft 2in. x 11 1/2in. x 6 1/4in.)

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

Physical Description:
Overall: Laminated Wood; Hub and Shaft Hole Reinforcement: Brass plate with Steel screws and nails; 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. 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.

Country of Origin
United States of America

Manufacturer
Smithsonian Institution

Date
1887-1903

Type
PROPULSION-Propellers & Impellers

Materials
Wood, Brass, Steel
Dimensions
Rotor/Propeller: 60.3 x 11.8 x 17.8cm (23 3/4 in. x 4 5/8 in. x 7 in.)
Storage: 66.04 x 29.21 x 15.88cm (2ft 2in. x 11 1/2in. x 6 1/4in.)

ID: A19820634000