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Westinghouse J34

From Wikipedia, the free encyclopedia

J34
Westinghouse J34.jpg
J34 on display at the Wright-Patterson Air Force Base Museum
Type Turbojet
National origin United States
Manufacturer Westinghouse Aviation Gas Turbine Division
First run 11 January 1947
Major applications F2H Banshee
F3D Skyknight
P-2 Neptune
Developed from Westinghouse J30
Developed into Westinghouse J46

The Westinghouse J34, company designation Westinghouse 24C, was a turbojet engine developed by Westinghouse Aviation Gas Turbine Division in the late 1940s. Essentially an enlarged version of the earlier Westinghouse J30, the J34 produced 3,000 pounds of thrust, twice as much as the J30. Later models produced as much as 4,900 lb with the addition of an afterburner. It first flew in 1947. The J46 engine was developed as a larger, more powerful version of Westinghouse's J34 engine, about 50% larger.

Development

Built in an era of rapidly advancing gas turbine engine technology, the J34 was largely obsolete before it saw service, and often served as an interim engine.[1] For instance, the Douglas X-3 "Stiletto" was equipped with two J34 engines when the intended Westinghouse J46 engine proved to be unsuitable. The Stiletto was developed to investigate the design of an aircraft at sustained supersonic speeds. However, equipped with the J34 instead of its intended engines, it was seriously underpowered and could not exceed Mach 1 in level flight.[2]

Developed during the transition from piston-engined aircraft to jets, the J34 was sometimes fitted to aircraft as a supplement to other powerplants, as with the Lockheed P-2 Neptune and Douglas Skyrocket (fitted with radial piston engines and a rocket engine, respectively).

The afterburner was developed by Solar Aircraft, the first U.S. company to produce a practical afterburner.[3]

Variants

J34-WE-2
3,000 lbf (13 kN) thrust
XJ34-WE-4
3,000 lbf (13 kN) thrust; originally designated J45[4]
XJ34-WE-7
3,000 lbf (13 kN) thrust
J34-WE-11
Similar to -42 with short afterburner
J34-WE-13
3,000 lbf (13 kN) thrust
J34-WE-15
Similar to -42 3,000 lbf (13 kN) thrust, with short afterburner
J34-WE-15
4,100 lbf (18 kN) thrust
J34-WE-17
Similar to -42 3,370 lbf (15.0 kN) thrust ( 4,850 lbf (21.6 kN) thrust with long afterburner)
J34-WE-19
3,250 lbf (14.5 kN) thrust
J34-WE-22
(24C-4B) 3,000 lbf (13 kN) thrust[5]
J34-WE-30
(24C-4C) 3,150 lbf (14.0 kN) thrust ( 4,200 lbf (19 kN) thrust with afterburner)[5]
J34-WE-30A
3,150 lbf (14.01 kN) thrust (4,200 lbf (18.68 kN) thrust with afterburner)[5]
J43-WE-32
Similar to -42 3,370 lbf (15.0 kN) thrust ( 4,900 lbf (22 kN) thrust with long afterburner)[5]
J34-WE-34
(24C-4D) 3,250 lbf (14.5 kN) thrust[5]
J34-WE-34A
3,000 lbf (13 kN) thrust
J34-WE-36
(24C-4E) 3,400 lbf (15 kN) thrust[5]
J34-WE-36A
3,400 lbf (15 kN) thrust[5]
J34-WE-38
3,800 lbf (17 kN) thrust[5]
J34-WE-40
3,000 lbf (13 kN) thrust
J34-WE-42
3,400 lbf (15 kN) thrust ( 4,200 lbf (19 kN) thrust with afterburner)[5]
J34-WE-46
3,400 lbf (15 kN) thrust[5]
J34-WE-48
Single stage turbine. Contract awarded 1959
W-340
Commercial version of the WE-36
24C-4B
company designation for WE-22.[6]
24C-4C
company designation for WE-30.[6]
24C-4D
company designation for WE-34.[6]
24C-8
company designation for WE-32.[6]

Applications

Aircraft

Others

Engines on Display

Specifications (J34-WE-36)

Data from [7]

General characteristics

  • Type: Turbojet
  • Length: 112 in (2.84 m)
  • Diameter: 27 in (0.69 m)
  • Dry weight: 1207 lb (547.5 kg)

Components

Performance

See also

Related development

Comparable engines

Related lists

References

Notes

  1. ^ "F6U Pirate." globalsecurity.org. Retrieved: 29 May 2015.
  2. ^ "Douglas X-3 Stiletto," shanaberger.com. Retrieved: 29 May 2015.
  3. ^ Leyes & Fleming 1999, p. 78.
  4. ^ http://www.designation-systems.net/usmilav/engines.html#_Turbine4668
  5. ^ a b c d e f g h i j Roux 2007, pp. 217–220.
  6. ^ a b c d Wilkinson, Paul H. (1950). Aircraft engines of the World 1950 (11th ed.). London: Sir Isaac Pitman & Sons Ltd. pp. 62–63.
  7. ^ Westinghouse Turbojets (1953). Flight. 13 Nov 1953, p. 642.

Bibliography

  • Gunston, Bill. World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited, 2006. pp. 240–241. ISBN 0-7509-4479-X.
  • Kay, Anthony L. Turbojet History and Development 1930-1960 Volume 2: USSR, USA, Japan, France, Canada, Sweden, Switzerland, Italy and Hungary (1st ed.). Ramsbury, UK: The Crowood Press, 2007. ISBN 978-1861269393.
  • Leyes, Richard A., II and William A. Fleming. The History of North American Small Gas Turbine Aircraft Engines (Library of Flight). Reston, Virginia: American Institute of Aeronautics and Astronautics, Inc, 1999. ISBN 978-1-56347-332-6.
  • Roux, Élodie. Turbofan and Turbojet Engines: Database Handbook. Raleigh, North Carolina: Éditions Élodie Roux, 2007. ISBN 978-2-9529380-1-3.

External links

This page was last edited on 24 May 2020, at 20:12
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