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  • Pratt & Whitney R-4360 “Wasp Major”

    The Wasp Major engine was developed near the end of World War II to power the Boeing B-50, an improved version of the successful B-29 Superfortress. The R-4360 is a 28-cylinder, air-cooled radial engine that produces a maximum of 3,500 hp and weighs approximately 3,500 pounds (1,575 kg). R-4360s

  • Pratt & Whitney R-1830-90C

    Note: This item is currently in storage.The Pratt & Whitney R-1830 Twin Wasp engine was one of the most efficient and reliable engines of the 1930s. It was introduced in 1932 with either a 6.1 or 6.5 compression ratio and 775 or 825 hp, respectively, at 2,400 rpm. To reach its designed power, the

  • Junkers Jumo 211D

    Note: This item is currently in storage.The Junkers aircraft company in Germany began the development of the Jumo 211 in 1936. The 12-cylinder, liquid-cooled engine had a two-speed supercharger and was used mainly for powering various World War II German bombers, such as the Ju-87, the Ju-88 and

  • Wright Brothers Pin

    Note: This item is currently in storage. This pin commemorates the 1909 Dayton homecoming celebration of Orville and Wilbur Wright's return from Europe. There was a two-day celebration featuring parades, fireworks, dinners and speeches. At this celebration, the Wright brothers were presented

  • Wright Brothers Hangar Fragment

    Note: This item is currently in storage.Orville Wright presented this board to Earl N. Finley in 1915. The board came from the Wright brothers' hangar at Huffman Prairie, located eight miles from Dayton, Ohio. Wilbur and Orville Wright made 160 flights while using Huffman Prairie as a flying field

  • Trinitite

    Note: This item is currently in storage.This trinitite sample is an example of fused sand from the first nuclear bomb test site, Trinity, on July 16, 1945, near Alamogordo, N.M.Donated by Lt. Col. (Ret.) James W. Walker.Click here to return to the Featured Accessions index.

  • TMU-27/M LOX Cart

    Note: This item is currently in storage.The TMU-27/M 50-gallon liquid oxygen (LOX) tank was used to refill aircraft LOX systems (for crew breathing at high altitude). This type of cart entered USAF service in 1969 and also was designed for use with argon and nitrogen. The use of liquid oxygen as a

  • Tomahawk

    Note: This item is currently in storage. Meant to represent the Tomahawk, this item was distributed by McDonnell Douglas, along with a matching tie tack. The Tomahawk was the predecessor to the BGM-109G Gryphon missile, which the donor worked on while in the U.S. Air Force. The donor served with the

  • Sweetheart Memorabilia

    Note: This item is currently in storage.Sending "sweetheart memorabilia" like earrings, pillow tops and handkerchiefs to loved ones back home started during World War I and still is a tradition today. Wearing an displaying the mementoes shows their patriotism and helps them to feel close to those

  • Sweetheart Basic Parachutist ID Badge

    Note: This item is currently in storage.Gold-plated sterling silver sweetheart basic parachutist ID badge with rhinestones. This item belonged to the donor's husband, who was a member of the 11th Airborne Division during World War II.Donated by Mrs. Julia F. Rupert.Click here to return to the