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T2D
Douglas T2D-1 of VP-1
Role Torpedo bomber
Manufacturer Douglas Aircraft Company
First flight 27 January 1927
Introduced 1927
Retired 1937
Primary user United States Navy
Number built 31

The Douglas T2D was an American twin engine bomber aircraft contracted by the military, and required to be usable on wheels or floats, and operating from aircraft-carriers. It was the first twin engined aircraft to be operated from an aircraft carrier. [1]

Contents

Development and design

In 1925, the United States Navy's Bureau of Aeronautics designed a twin engined torpedo bomber aircraft, intended to have greater performance than contemporary single engined aircraft [1]. A single prototype was built by the Naval Aircraft Factory as the XTN-1, which was quickly followed by three identical aircraft built by Douglas, the T2D-1.

The XTN/T2D was a large two bay biplane, capable of easy conversion between floats and wheels, and carrying a crew of four.

Operational history

The first three T2D-1's were delivered to the torpedo bomber squadron VT-2 on 25 May 1927 [1], being used for successful trials aboard the aircraft carrier USS Langley. A further 9 T2D-1's were ordered in 1927, these normally being operated as floatplanes, partly owing to criticism from the Army of the Navy operating large land based bombers [1], and partly as its large size prevented the Langley from embarking a full airwing. [2]

A further 18 aircraft were ordered in June 1930 as patrol floatplanes, being designated P2D-1. These were operated by Patrol Squadron VP-3 in the Panama Canal Zone until they were replaced by PBYs in 1937. [1]

Variants

XTN-1
Original prototype built by Naval Aircraft Factory. One built.
T2D-1
Production aircraft, convertible torpedo bomber/patrol floatplane, powered by Wright R-1750 Cyclone. 12 built.
P2D-1
Dedicated patrol floatplane. Fitted with twin tail for improved engine out performance and powered by two R-1820 Cyclones. 18 built.

Operators

 United States

Specifications (DT-2)

Data from The Encyclopedia of World Aircraft [2]

General characteristics

  • Crew: Four
  • Length: 42 ft 0 in (12.80 m)
  • Wingspan: 57 ft 0 in (17.37 m)
  • Height: 15 ft 11 in (4.85 m)
  • Wing area: 886 ft² (82.31 m²)
  • Empty weight: 6,011 lb (2,726 kg)
  • Max takeoff weight: 10,523 lb (4,773 kg)
  • Powerplant:Wright R-1750 Cyclone 9 cylinder single row radial, 525 hp (391 kW) each

Performance

Armament

  • 2 × .30 in (7.62 mm) machine guns
  • 1 × 1,618 lb (734 kg) torpedo or equivalent bombload

See also

References

  1. ^ a b c d e f Swanborough, Gordon; Bowers, Peter M. (1976). United States Navy Aircraft since 1911 (Second edition ed.). London: Putnam. pp. 161–162. ISBN 0 370 10054 9.  
  2. ^ a b Donald, David, The Encyclopedia of World Aircraft (pg 118). (1997). Prospero Books. ISBN 1-85605-375-X

External links

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