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Teledyne CAE began developing the J402-CA-400 (CAE Model 370) in 1972 to power the U.S. Navy's McDonnell Douglas AGM-84A Harpoon, an antiship missile that could be launched from surface ships, aircraft, and submarines. A rocket booster stage launched and initially powered the missile, was jettisoned after burnout, and the J402 engine then powered the Harpoon for the rest of its brief flight.
Designed as an expendable, short-life engine, the J402 was the first small turbojet missile engine designed for long-term storage without maintenance and, for this reason, has been called a "wooden round" propulsion system. The first production J402 was delivered in 1975, and has a number of variants. By the early 1990s, the Harpoon was the most widely deployed missile in the U.S. Navy and was also used by the U.S. Air Force and other naval forces.
Date
1975
Country of Origin
United States of America
Type
PROPULSION-Turbines (Jet)
Designer
Continental, Inc. Manufacturer
Teledyne CAE (Toledo, Ohio) Physical Description
Type: Turbojet
Thrust: 2,937 N (660 lb) at 41,200 rpm
Compressor: Single-stage axial, single-stage centrifugal
Combustor: Annular
Turbine: Single-stage axial
Weight: 46.0 kg (101.5 lb)
Dimensions
Length 74.8 cm (29.44 in.), Width 31.8 cm (12.52 in.) Inventory Number
A19900069000
Credit Line
Gift of Teledyne CAE
Data Source
National Air and Space Museum
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