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Douglas XT3D
Role Three-seat torpedo bomber
National origin United States
Manufacturer Douglas Aircraft Company
First flight 1931
Retired 1941
Primary user United States Navy
Number built 1

The Douglas XT3D was an American three-seat torpedo bomber biplane developed by the Douglas Aircraft Company to meet a United States Navy requirement.[1]

Development

The XT3D torpedo bomber was first flown in 1931, it has been described as a large and ugly aircraft.[1] Of metal construction with a fabric covering the XT3D had folding wings and an arrestor hook for carrier operation.[1] With a fixed tailwheel landing gear and powered by a Pratt & Whitney S2B1-G Hornet radial engine.[1] The XT3D had three open cockpits, forward for the gunner/bomb-aimer, centre for the pilot and a rear cockpit for another gunner.[1]

The XT3D failed to meet the naval requirements and after tests was returned to Douglas.[1] It was modified with bigger engine, a Pratt & Whitney XR-1830-54 radial, wheel fairings and the two rear cockpits were enclosed.[1] Re-designated the XT3D-2 it still failed to pass navy test and was not ordered into production.[1] The prototype was used by the Navy for the next ten years for general purpose use until it was relegated as an instructional airframe in 1941.[1]

Variants

XT3D-1
Prototype powered by a Pratt & Whitney S2B1-G Hornet radial engine, one built.[1][2]
XT3D-2
Prototype modifed including a change to a Pratt & Whitney XR-1830-54 radial engine.[1][2]

Operators

 United States

Sepcifications

Data from [1]

General characteristics

  • Crew: 3 (pilot, bomb-aimer/gunner, gunner
  • Length: 35 ft 5 in (10.80 m)
  • Wingspan: 50 ft 0 in (15.24 m)
  • Height: 13 ft 2.5 in (4.026 m)
  • Wing area: 624 sq ft (58.0 m2)
  • Empty weight: 4,238 lb (1,922 kg)
  • Max takeoff weight: 7,857 lb (3,564 kg)
  • Powerplant: 1 × Pratt & Whitney S2B1-G Hornet radial piston engine, 575 hp (429 kW)

Performance

  • Maximum speed: 128 mph (206 km/h; 111 kn) at 6000ft (1830m)
  • Range: 555 mi (482 nmi; 893 km)
  • Service ceiling: 14,000 ft (4,267 m)

Armament

  • Guns: 2 × 0.3in (7.62mm) machine-gun (flexible mounted on forward and rear cockpits)
  • Bombs: 1835lb (832kG) torpedo or equivalent in bombs

See also

Related lists

References

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Notes

  1. ^ a b c d e f g h i j k l Orbis 1985, p. 1578
  2. ^ a b Andrade 1979, p. 224

Bibliography

  • Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN ISBN 0 904597 22 9.  
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.  

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