Airco DH.4
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The Airco DH.4 was a British two seat biplane day-bomber of the First World War. It was a design by Geoffrey de Havilland (hence "DH") for Airco. It first flew in August 1916 and entered service in early 1917.
Specification
Dimensions
- Length: 30 feet 6 inches
- Wingspan: 43 feet, 6 inches
- Height: 10 feet, 4 inches
- Weight:
- *Loaded: 3,557 lb
- Powerplant: Armstrong Siddeley Puma engine - 230 hp or Rolls-Royce Eagle VII, 12 cylinder, liquid cooled inline V, 375 hp,
Performance
- Max Speed: 106 mph
- Endurance: 4.5 hours
- Service Ceiling: 17,400 ft
- Rate of Climb: 1,000 ft/min
Armament
- One forward firing Vickers machine gun with Lewis gun on scarff ring for gunner.
- Bomb load: 460 lb
Production
Production was by Airco, F.W. Berwick and Co, Glendower Aircraft Company, Palladium Autocars, Vulcan Motor and Engineering, and the Westland Aircraft Works in the UK. SABCA of Belgium made 15. In the United States, the Boeing Airplane Corporation, Dayton-Wright Aeroplane Company, The Fisher Body Corporation, and the Standard Aircraft Corporation.
Overseas production
As the DH.4a it was manufactured mostly by Dayton-Wright and Fisher Body for service with the United States from 1918. The powerplant was a Liberty 12 of 400 hp and it was fitted with two .30 inch Marlin machine guns in the nose and 2 x .30 inch Lewis machine guns in the rear and could carry 322 pounds of bombs. The larger engine gave a better ceiling (19,600 feet) and top speed (128 mph).Military Operators
- Belgium,
- Canada,
- Chile,
- Cuba,
- Greece,
- New Zealand,
- Persia (Iran),
- South Africa,
- Spain,
- United Kingdom
- *Royal Flying Corps
- *Royal Air Force
- *Royal Naval Air Service),
- United States (Army, Marine Corps, Navy)
- *Air Service
- *U.S. Navy
- *U.S. Marine Corps
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