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Consolidated XB2Y

From Wikipedia, the free encyclopedia
XB2Y
General information
TypeDive bomber
National originUnited States of America
ManufacturerConsolidated Aircraft
Primary userUnited States Navy
Number built1
History
First flight1933

TheConsolidated XB2Y was anAmerican prototype single-engineddive bomber of the 1930s. It was intended to meet aUnited States Navy requirement for a carrier-based dive bomber, but was unsuccessful, only a single example being built.

Design and development

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In 1932, theUnited States Navy issued a specification for a two-seatcarrier-baseddive bomber capable of carrying a 1,000 lb (450 kg) bomb.[1] Orders were placed for competing prototypes of designs to meet the Navy's requirement withConsolidated Aircraft and theGreat Lakes Aircraft Company in June 1932.[2][3]

Consolidated's proposal was the Model 24 (or XB2Y in theUS Navy's designation system), a single-baybiplane developed from a basic design prepared by the Navy'sBureau of Aeronautics with detailed design led by Consolidated's B Douglas Thomas,[2] formerly Chief Designer of Thomas Morse Aircraft, which had become part of Consolidated Aircraft in 1929.[4]

In order to withstand the highg-forces experienced during pullup after a dive attack, much of the aircraft's center-section was cut from a solid steel block.[2][5] It was powered by a similarPratt & Whitney R-1535 Twin Wasp Juniorair-cooledradial engine as used by the Great Lakes design,[2][3] and had a fixedtailwheel undercarriage. The crew of two sat in tandem in separate cockpits, with the observer in the rear cockpit armed with a single flexibly mounted machine gun, and the pilot with a single fixedsynchronized machine gun firing through the aircraft's propeller arc. Its bombload was carried on a crutch under the fuselage that swung down to ensure the bomb would clear the propeller when dropped in a steep dive.[2]

Operational history

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The prototype XB2Y-1 (serial number9221[6]) was completed in 1933, being delivered on 28 June 1933.[2] Testing was unsuccessful,[2] with the aircraft's performance being unsatisfactory,[7] while the aircraft also proved very expensive to build.[2][5] The US Navy preferred the Great Lakes design, with 60 being ordered asBG-1s.[3]

The XB2Y-1 was modified to a scout configuration, removing the bomb crutch. This allowed it to reach a height of 23,400 ft (7,100 m),[2] and it was used byNACA atLangley,Virginia for pilot view tests.[8]

Specifications (XB2Y-1)

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Data from General Dynamics Aircraft and their Predecessors[9]

General characteristics

  • Crew: two
  • Length: 27 ft 11 in (8.51 m)
  • Wingspan: 36 ft 6 in (11.13 m)
  • Height: 10 ft 10 in (3.30 m)
  • Wing area: 362 sq ft (33.6 m2)
  • Empty weight: 3,538 lb (1,605 kg)
  • Gross weight: 6,255 lb (2,837 kg)
  • Powerplant: 1 ×Pratt & Whitney XR-1535-64 14-cylinder air-cooledradial engine, 700 hp (520 kW)

Performance

  • Maximum speed: 158 kn (182 mph, 293 km/h) at 8,900 ft (2,700 m)
  • Range: 423 nmi (487 mi, 784 km)
  • Service ceiling: 22,800 ft (6,900 m)
  • Time to altitude: 10 minutes to 12,200 ft (3,700 m)

Armament

See also

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Aircraft of comparable role, configuration, and era

Related lists

References

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Citations

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  1. ^Donald 1997, p. 467.
  2. ^abcdefghiWegg 1990, p. 67.
  3. ^abcSwanborough and Bowers 1976, p. 193.
  4. ^Wegg 1990, p. 14.
  5. ^abO'Bannon, Mark."Model 24 XB2Y-1"Archived 2005-09-21 at theWayback Machine.Consolidated Aircraft History. Retrieved 30 January 2011.
  6. ^Grossnick, Roy A.United States Naval Aviation 1910–1995. Washington DC: Naval Historical Center, 1997.ISBN 0-945274-34-3."Appendix 9: Bureau (Serial) Numbers of Naval Aircraft"Archived 2001-08-07 at theWayback Machine, p. 530.
  7. ^Flight 14 February 1935, p. 179.
  8. ^"Nasa Images:Consolidated XB2Y-1"Archived 2011-07-27 at theWayback Machine.NASA. Retrieved 30 January 2011.
  9. ^Wegg 1990, pp. 67–68.

Bibliography

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External links

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Media related toConsolidated XB2Y at Wikimedia Commons

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