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Engine, Allison (General Electric) J33-A-23 Turbojet Engine

National Air and Space Museum

Object Details

Manufacturer
Allison Division, General Motors Corporation
Designer
General Electric Aircraft Engines
Physical Description
Type: Turbojet
Thrust: 17,347 N (3,900 lb)
Compressor: Single-stage centrifugal
Combustor: 14 chambers
Turbine: Single-stage axial
Weight: 780 kg (1,720 lb)
Summary
In 1943, the Army asked GE to propose a 13,344 to 17,792 N (3,000 to 4,000 lb) thrust turbojet engine. GE's response was the I-40 (J33), a centrifugal-flow engine that could be produced in a short time, as well as the axial-flow TG-180 (J35), which required a longer development time. First off the block, the I-40 went into service in 1945 in America's first operational jet fighter, the Lockheed P-80A.
To meet wartime needs, production was licensed to the Allison Division of General Motors. When World War II ended, the Army Air Forces re-evaluated its production program, and turned over all post-war production of the J33 to Allison.
The J33 was GE's first turbojet engine of its own design, the last all-centrifugal-flow engine built by GE, and last used in U.S. military combat aircraft. The J33 powered many first generation U.S. military jet aircraft. This engine powered the Lockheed F-80C and TF-80C.
Credit Line
Transferred from the U.S. Air Force Museum, Wright-Patterson AFB, Ohio
Circa 1948
Inventory Number
A19600241000
Restrictions & Rights
Usage conditions apply
Type
PROPULSION-Turbines (Jet)
Materials
HAZMAT: Cadmium
Aluminum Alloy
Possible Copper Alloy
Ferrous Alloy
Natural Fiber Thread
Phenolic Resin
Rubber
Paint
Ink
Adhesive Tape
Solder
Dimensions
3-D: 279.4 × 142.9 × 124.5cm (9 ft. 2 in. × 4 ft. 8 1/4 in. × 4 ft. 1 in.)
Country of Origin
United States of America
See more items in
National Air and Space Museum Collection
National Air and Space Museum
Record ID
nasm_A19600241000
Metadata Usage (text)
Not determined
GUID (Link to Original Record)
http://n2t.net/ark:/65665/nv992b7e3c0-9cd9-4afb-9921-70ada5f15904

Related Content

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    Air and Space Museum

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