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World War 1 Plane The DH-4

World War 1 Plane The DH-4. Designed in 1916 by Geoffrey de Havilland, the D.H.4 was the only British design built by the Americans.

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World War 1 Plane The DH-4

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  1. World War 1 PlaneThe DH-4 • Designed in 1916 by Geoffrey de Havilland, the D.H.4 was the only British design built by the Americans. • It was easily identified by its rectangular fuselage and deep frontal radiator. Versatile heavily armed and equipped with a powerful twelve cylinder engine, this biplane daylight bomber was fast. Sometimes called the "Flaming Coffin,"

  2. The Production • By the end of the war, 3,431 had been delivered to the Air Service. • Of these, 1,213 had been shipped to France, and 417 had seen combat. • The Dayton-Wright Airplane Company built most of these.

  3. Specifications • The DH-4 had a span of 43.5 feet (13.3 meters), was 30.5 feet (9.3 meters) in length, and 10.3 feet (3.1 meters) high. It weighed 3,557 pounds (1,613 kilograms) when loaded and carried two .30-caliber Marlin machine guns • Also in the nose it carried two .30-caliber Lewis machine guns in the rear as well as 220 pounds (100 kilograms) of bombs. It used a Liberty 12 421-horsepower (314-kilowatt) engine and carried a two-man crew.

  4. The Speed • Maximum speed: 128 mph. • Cruising speed: 90 mph. • Range: 400 miles • Service Ceiling: 19,600 ft.

  5. The DH-4 had many nicknames such as the “Flaming coffin” and the “Liberty Planes”. The DH-4’s were used in many fields, including forest patrols, geologic reconnaissance, and aerial photography. The Army Air Service was called upon to supply the Army Corps of Engineers and the Geological Survey with aerial photos for mapping and stereo viewing. The DH-4 was the most suitable and, because of its great numbers, the most available plane for the job. It was used as the standard airplane for the purpose for 10 years.Other usesof the plane . “The Flaming Coffin”

  6. With few funds to buy new aircraft in the years following World War I, the US Army Air Service used the DH-4 in a variety of roles, such as transport, air ambulance, photographic plane, trainer, target tug, forest fire patroller and even as an air racer. In addition, the US Post Office operated the DH-4 as a mail carrier. The DH-4 also served as a flying test bed at McCook Field in the 1920s, testing turbo superchargers, propellers, landing lights, engines, radiators, and armament. There were a number of notable DH-4 flights such as the astounding New York to Nome, Alaska flight in 1920, the record breaking transcontinental flight in 1922 by Jimmy Dolittle and the first successful air-to-air refueling in 1923. 1,538 DH-4s were modified in 1919-1923 to DH-4Bs by moving the pilot's seat back and the now unpressized gas tank forward, correcting the most serious problems in the DH-4 design. A further improved version was the DH-4M whereby over 300 DH-4s received new steel tube fuselages. By the time it was finally retired from service in 1932, the DH-4 had developed into over 60 variants. After the War

  7. Credits • Internet: www.centennialofflignt.gov had good information • www.upafb.af.mil • www.firstworldwar.com had good pictures • The book: Great planes of World War one • Mr.Wetzel

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