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Rolls-Royce RB.44 Tay
Pratt & Whitney J48

The Engine Specifications
The RB.44 Tay was developed from the Nene engine of 1945.  Like the Nene, the Tay was made famous by license-built versions built outside the United Kingdom.  The Tay was built by Pratt & Whitney as the J48 and by Hispano-Suiza as the Verdon.

Over 4,000 P&W J48s were produced between 1949 and 1959.

Centrifugal-flow turbojet
Mass flow: 115 lbs/sec
Models Used by
J48-P-5A: 8,750 lb (38.9 kN) thrust
J48-P-6A: 6,250 lb (27.8 kN) thrust
J48-P-8A: 7,200 lb (32.0 kN) thrust
Grumman F9F Panther
North American F-93
Lockheed F-94 Starfire
Related Pages
More about Pratt & Whitney
More about Rolls-Royce

page updated 04 July 2003



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Kenneth W Shanaberger 2000 - 2010