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De Havilland Oxford

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Title: De Havilland Oxford  
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Subject: Airco, De Havilland Dormouse, De Havilland Swallow Moth, De Havilland Dolphin, De Havilland DH.72
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De Havilland Oxford

DH.11 Oxford
Role Bomber
Manufacturer Airco
Designer Geoffrey de Havilland
First flight 1919
Status Prototype
Number built One

The Airco DH.11 was a British twin-engined biplane bomber which was designed to replace the earlier Airco DH.10 bomber. It was designed to use the unsuccessful ABC Dragonfly engine and was abandoned after the first prototype was built.


The DH.11 Oxford was designed by Geoffrey de Havilland for the Aircraft Manufacturing Company as a twin-engined day bomber to replace the Airco DH.10. It was designed (as required by the Specification) to use the ABC Dragonfly radial engine which promised to give excellent performance and had been ordered in large numbers to be the powerplant for most of the new types on order for the Royal Air Force. The DH.11 was a twin-engined biplane, with all wooden construction and three-bay wings. It had an aerodynamically clean, deep fuselage occupying the whole wing gap, giving good fields of fire for the gunners in the nose and mid-upper positions.[1]

The first prototype flew in January 1919,[2] powered by two 320 hp Dragonfly engines. The prototype encountered handling problems, and was handicapped by the Dragonfly engines, which were extremely unreliable, being prone to overheating and excessive vibration, while not delivering the expected power. Two further prototypes were cancelled in 1919, with no aircraft in the end being purchased to replace the DH.10.[2]


  • Oxford Mk I - Prototype - powered by two 320 hp (239 kW) ABC Dragonfly engines - one built.
  • Oxford Mk II - Proposed version with two Siddeley Puma engines - not built.
  • DH.12 - Proposed version with Dragonfly engines and modified gunner's position - not built.

Specifications (Oxford Mk I)

Data from Mason, The British Bomber since 1914 [2]

General characteristics


  • Guns: 1 × .303 in (7.7 mm) Lewis gun at Scarff rings at both nose and midships gunners cockpits
  • Bombs: 4 × 230 lb (104 kg) bombs carried internally

See also


  1. ^ Lewis, Peter (1980). The British Bomber since 1914 (Third Edition ed.). London: Putnam.  
  2. ^ a b c Mason, Francis K (1994). The British Bomber since 1914. Putnam Aeronautical Books.  

External links

  • British Aircraft Directory
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