Edward Huffaker, Samuel P. Langley's assistant at the Smithsonian, tested this wing model with a curved airfoil shape around 1897.
Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin: United States of America
3-D: 58.4 x 17.8 x 1cm (23 x 7 x 3/8 in.)
Airfoil section used on Langley whirling arm. Perfect arc with maximum depth of curvature 2 5/8 inches (6.7 cm).