Consolidated XB2Y

XB2Y

General information
Type| Dive bomber
National origin| United States of America
Manufacturer| Consolidated Aircraft
Management and usage| United States Navy

Number built| 1
History
First flight| 1933

The Consolidated XB2Y was an American prototype single-engined dive bomber of the 1930s. It was intended to meet a United States Navy requirement for a carrier-based dive bomber, but was unsuccessful, only a single example being built.

## Contents

* 1 Design and development
* 2 Operational history
* 3 Specifications (XB2Y-1)
* 4 See also
* 5 References
* 5.1 Citations
* 5.2 Bibliography
* 6 External links

## Design and development

In 1932, the United States Navy issued a specification for a two-seat carrier-based dive 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 with Consolidated Aircraft and the Great Lakes Aircraft Company in June 1932.[2][3]

Consolidated's proposal was the Model 24 (or XB2Y in the US Navy's designation system), a single-bay biplane developed from a basic design prepared by the Navy's Bureau 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 high g-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 similar Pratt & Whitney R-1535 Twin Wasp Junior air-cooled radial engine as used by the Great Lakes design,[2][3] and had a fixed tailwheel 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 fixed synchronized 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

The prototype XB2Y-1 (serial number 9221[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 as BG-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 by NACA at Langley, Virginia for pilot view tests.[8]

## Specifications (XB2Y-1)

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-cooled radial 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

* Guns: 1 × fixed, forward-firing .30 in (7.62 mm) machine gun; 1 × flexible .30 in machine gun
* Bombs: 1 × 1,000 lb (450 kg)

## See also

Aircraft of comparable role, configuration and era

* Great Lakes BG
* Vought SBU Corsair

Related lists

* List of United States Navy aircraft designations (pre-1962)

## References

### Citations

1. ↑ Donald 1997, p. 467.
2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Wegg 1990, p. 67.
3. ↑ 3.0 3.1 3.2 Swanborough and Bowers 1976, p. 193.
4. ↑ Wegg 1990, p. 14.
5. ↑ 5.0 5.1 O'Bannon, Mark. "Model 24 XB2Y-1" . 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" , p. 530.
7. ↑ Flight 14 February 1935, p. 179.
8. ↑ "Nasa Images:Consolidated XB2Y-1" . NASA. Retrieved 30 January 2011.
9. ↑ Wegg 1990, pp. 67–68.

### Bibliography

* Donald, David (editor). The Encyclopedia of World Aircraft. Leicester, UK:Blitz Editions, 1997. ISBN 1-85605-375-X.
* Swanborough, Gordon and Bowers, Peter M. United States Navy Aircraft since 1911. London:Putnam, Second edition 1976. ISBN 0-370-10054-9.
* "United States Navy Aircraft". Flight, 14 February 1935. pp. 178–179.
* Wegg, John. General Dynamics Aircraft and their Predecessors. London:Putnam, 1990. ISBN 0-85177-833-X.

## External links

Template:USN bomber aircraft Template:Consolidated aircraft

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