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Douglas XT3D
Douglas XT3D-1 in Sept 1931
Douglas XT3D-1
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[]

Douglas XT3D-1 with folded wing 1931

The XT3D-1 with one wing folded.

The XT3D torpedo bomber (BuNo 8730) 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 R-1690 Hornet radial engine,[1] the XT3D had three open cockpits, forward for the gunner/bomb-aimer, centre for the pilot, rear for another gunner.[1] The XT3D failed to meet the Navy's requirements and after tests was returned to Douglas.[1] It was modified with a more powerful Pratt & Whitney XR-1830-54 radial, and wheel fairings and the two rear cockpits were enclosed.[1] Re-designated XT3D-2, it still failed to pass Navy trials 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[]

Douglas XT3D-2 in January 1933

The XT3D-2 in January 1933.

XT3D-1
Prototype powered by a Pratt & Whitney R-1690 radial, one built.[1][2]
XT3D-2
Prototype modified including a change to a Pratt & Whitney R-1830 radial.[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 R-1690 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[]

References[]

Notes
  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 Orbis 1985, p. 1578
  2. 2.0 2.1 Andrade 1979, p. 224
Bibliography
  • Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN 0-904597-22-9. 
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. 

External links[]

All or a portion of this article consists of text from Wikipedia, and is therefore Creative Commons Licensed under GFDL.
The original article can be found at Douglas XT3D and the edit history here.
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