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Wright Brothers Propeller, fixed-pitch, two-blade, wood

National Air and Space Museum
Type: Two-Blade, Fixed-Pitch, Wood

Diameter: 259.1 cm (102 in.)

Chord: 19.2 cm (7.6 in.)

Engine Application: Four-Cylinder, Horizontal Inline, Water-Cooled, 9 kw (12 hp)

The Wright Brothers constructed the world's first practical fixed-pitch propeller and developed the aerodynamic theory to calculate its performance during the process of creating their historic 1903 Flyer. Conceptualizing the propeller as a rotating, twisted wing moving in a helical path, the brothers used airfoil data calculated from their wind tunnel to design blades able to convert energy from their small engine into thrust.

Believing that "the propeller should in every case be designed to meet the particular conditions of the machine to which it is applied," Wrights built their propeller for one specific performance regime. Using a drawknife and hatchets, they shaped the propellers from two-ply spruce, covered them in linen, and sealed them with aluminum powder suspended in varnish. Overall, these two propellers produced 66 percent efficiency, enough to get off the ground at Kitty Hawk.

This original propeller was used on the 1903 Wright Flyer on December 17, 1903 during its first flight.

Model of Wright Brothers' Airplane

Smithsonian Archives - History Div
In 1958, President Eisenhower authorized the preparation of plans for the construction of a building for a National Air Museum, to be located on a site bounded by Fourth and Seventh Streets SW, Independence Avenue, and Jefferson Drive. The 1964 design by Hellmuth, Obata & Kassabaum (HOK) for "a Museum for the Space Age" was selected. However, their initial design was later modified. In July 1966, President Lyndon Johnson signed into law a bill authorizing construction of a new building for the newly-renamed National Air and Space Museum (NASM). Congressional passage of appropriations for the construction of the new museum occurred in 1971. The final design was approved in 1972 and construction began in November of 1972. The museum opened July 1, 1976.

HOK were the architects selected. However, their original design was revised and this became the final design.

For the 1972 final design by Hellmuth, Obata & Kassabaum (HOK), see Neg. SIA2017-018111 through 018119, SIA2017-018122 through SIA2017-018134, and 94-2479. See also Neg. SIA2017-018095 through SIA2017-018101 for initial design by HOK. For other designs for a proposed new National Air Museum see: United States, Public Building Administration 1949; McKim, Mead & White 1955; Harbeson, Hough, Livingston & Larson 1962; and HOK's preliminary design of 1964.

Model of Wright Brothers' airplane to be used in the concept model of the interior in the National Air Museum (now known as the National Air and Space Museum).

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Silver commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; 1908 Military Flyer depicted over busts; raised letter text; Reverse: releif of 1908 Military Flyer, three swallows, and mountains depicted; raised letter text; silver clasp bar with raised letter text; medal hangs from a red ribbon with gold letter text.

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Silver commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; 1908 Military Flyer depicted over busts; raised letter text; Reverse: releif of 1908 Military Flyer, three swallows, and mountains depicted; raised letter text; silver clasp bar with raised letter text; medal hangs from an American flag ribbon.

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Silver commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; 1908 Military Flyer depicted over busts; raised letter text; Reverse: releif of 1908 Military Flyer, three swallows, and mountains depicted; raised letter text; silver clasp bar with raised letter text; medal hangs from a red, white, and blue striped ribbon with gold letter text.

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Silver commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; 1908 Military Flyer depicted over busts; raised letter text; Reverse: releif of 1908 Military Flyer, three swallows, and mountains depicted; raised letter text; silver clasp bar with raised letter text; medal hangs from blue silk ribbon with gold lettering.

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Silver commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; 1908 Military Flyer depicted over busts; raised letter text; Reverse: releif of 1908 Military Flyer, three swallows, and mountains depicted; raised letter text; silver clasp bar with raised letter text; medal hangs from a white ribbon with gold lettering.

The Wright Brothers First Flight at Kitty Hawk, North Carolina

Smithsonian Archives - History Div
NASM Archives also has a copy. Original negative number is 26767-B, but that negative has been lost.

The first flight on December 17, 1903, at Kitty Hawk, North Carolina with Orville Wright at the controls of the Wright Flyer. The plane flew for 12 seconds and a distance of 120 feet.

Medal, Medal of Congress, Wright Brothers

National Air and Space Museum
Wright Brothers Medal of Congress; Obverse: profile bust of Wilbur and Orville Wright; Great Seal of the United States surrounded by laurel leaf wreath in upper right corner; raised letter text; Reverse: angel figure (Genius of Aviation) with torch in right hand flying over globe.

Geek Moment: Wright Brothers

National Air and Space Museum
How did a toy spark the Wright brother's interest in aviation? Find out with STEM in 30, a TV show for middle school science students. See more STEM in 30: airandspace.si.edu/STEMin30

The Wright Brothers’ Flight, 1903

Smithsonian Insider

The Wright Brothers’ Flight, 1903 On Dec. 17, 1903, Wilbur and Orville Wright made four brief flights at Kitty Hawk, N.C., with their first powered […]

The post The Wright Brothers’ Flight, 1903 appeared first on Smithsonian Insider.

Plaque, Wright Brothers 1903 and Apollo 11 Flights

National Air and Space Museum
This plaque commemorates two of humankind's greatest flight achievements - the first powered, controlled flight of the Wright Brothers in December 1903 and the first human lunar landing (Apollo 11) in July 1969. The fabric and wood pieces in the middle of the plaque are from the Wright Brothers airplane, Kitty Hawk. These two pieces were flown on the Apollo 11 mission and were in the lunar module Eagle that landed on the Moon with astronauts Neil Armstrong and Edwin "Buzz" Aldrin, Jr. The plaque was transferred to the Smithsonian from the Air Force Museum at Wright-Patterson Air Force Base in 1972.

Medal, Commemorative, Wright Brothers

National Air and Space Museum
Plaster commemorative Wright Brothers 1903 flight medal: Obverse: relief busts of Orville and Wilbur Wright depicted; embossed letter text; Reverse: embossed letter text.

Medal, Commemorative, Wright Brothers

National Air and Space Museum
Bronze commemorative Wright Brothers 1903 flight medal: Obverse: relief busts of Orville and Wilbur Wright depicted; embossed letter text; Reverse: embossed letter text.

Medal, Commemorative, Wright Brothers

National Air and Space Museum
Gold plated, copper commemorative Wright Brothers 1903 flight medal: Obverse: relief busts of Orville and Wilbur Wright depicted; raised letter text; Reverse: raised letter text.

Medal, Commemorative, Wright Brothers

National Air and Space Museum
Gold plated copper alloy commemorative Wright Brothers 1903 flight medal: Obverse: relief busts of Orville and Wilbur Wright depicted; raised letter text; Reverse: raised letter text.

Medal, Commemorative, Wright Brothers

National Air and Space Museum
Plaster commemorative Wright Brothers 1903 flight medal: Obverse: relief busts of Orville and Wilbur Wright depicted; embossed letter text; Reverse: embossed letter text.

Fragment, Wright Brothers' Hangar

National Air and Space Museum
A fragment of the orignial Wright Brothers hangar at Kitty Hawk, North Carolina mounted on wood plaque.

6c Wright Brothers single

National Postal Museum
mint

Plaque, Wright Brothers 20th Anniversary

National Air and Space Museum
This bronze Wright Brothers 20th Anniversary plaque depicts a relief of the 1903 Wright Flyer and the Barling Bomber with embossed text "20TH ANNIVERSARY WRIGHT BROTHERS FLIGHTS 1903-1923". On the reverse side, engraved text "PRESENTED TO ORVILLE WRIGHT BY THE NATIONAL AERONAUTIC ASSOCIATION AT A MASS MEETING OF DAYTON CITIZENS IN THE NATIONAL CASH REGISTER COMPANY AUDITORIUM DECEMBER 17, 1925 IN COMMEMORATION OF THE FIRST FLIGHT AT KITTY HAWK NORTH CAROLINA DECEMBER 17, 1903".

On December 17, 1903, the Wright Brothers completed their first controlled flight with the 1903 Wright Flyer powered, heavier-than-air machine in Kitty Hawk, North Carolina. The brothers' achievements gave birth to the new age of controlled flight. This plaque was presented to Orville Wright by the National Aeronautic Association at a mass meeting of the Dayton citizens in the National Cash Register Company Auditorium on December 17, 1925 in commemoration of the first flight.

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Bronze commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; raised letter text; Reverse: relief of 1908 Military Flyer depicted; raised letter text.

Wright Brothers Receive Langley Medal

Smithsonian Archives - History Div
See Smithsonian Institution Annual Report for 1910.

Wright Brothers standing outside carriage after receiving Langley Medal for Aerodromics, February 10, 1910. L to R: Secretary Charles D. Walcott, Wilbur Wright, Dr. Alexander Graham Bell, a Smithsonian regent, Orville Wright.

Medal, The Wright Brothers Medal

National Air and Space Museum
The Wright Brothers Medal; Obverse: relief of the 1903 Wright Flyer depicted, embossed text "WRIGHT BROTHERS MEDAL"; Reverse: embossed text "AWARDED TO FOR MERITORIOUS CONTRIBUTION TO AERONAUTIC ENGINEERING SOCIETY OF AUTOMOTIVE ENGINEERS, INC.".

Medal, Wright Brothers Home Celebration

National Air and Space Museum
Silver commemorative Wright Brothers Home Celebration medal: Obverse: relief profile busts of Orville and Wilbur Wright depicted; 1908 Military Flyer depicted over busts; raised letter text; Reverse: relief of 1908 Military Flyer, three swallows, and mountains depicted; raised letter text.
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