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Turbo Union RB 199


Type: Afterburning Turbofan
Manufacturer: Turbo Union Ltd.
   Consortium of Rolls-Royce, Daimler-Chrysler Aerospace MTU, München and FiatAvio.
Design Started: 1969
Initial Test Run: September 27, 1971
Service Introduction: July 1980
Number Built: 2,400+
Operational Hours (Est.): Over 3,000,000

Design Details:
    The RB 199 is a three-spool afterburning turbofan powerplant, with three LP (Low Pressure), three IP (Intermediate Pressure)and six HP (High Pressure) compressor stages, powered by three single-stage turbines (LP, IP, and HP). The combustion system is annular vaporising. Engine control is by FADEC (full authority digital engine control) system and powerplan also features an integrated thrust reverser.
  Specifications: Mk. 101
Length: 127 in. (323 cm)
Weight: 1,980 lb. (900 kg.)
Diameter: 34¼ in. (87 cm)
Intake: Annular, no inlet guide vanes
Air Flow: 154 lb/sec. (70 kg./sec.) approx.
Bypass Ratio: c. 1:1
LP Fan: Three-Stage
IP Fan: Three Stage
HP Fan: Six-Stage
Combustor: Annular, with vaporizing burners
Turbine-inlet temp: 2,240°F (1,227°C)
HP turbine: Single-stage air cooled
IP turbine: Single-stage air cooled
LP turbine: Two-stage uncooled
Max. Thrust:
    Dry: 8,090 lb. (36kN)
    Afterburning: 15,950 lb. (71kN)

Sources:
Gunston, Bill - The Encyclodepia of the Worlds Combat aircraft, 1976, Chartwell Books, Inc., New York
The Complete Encyclodepia of World Aircraft, 1997, Barnes & Nobles Books, ISBN: 0 7607 0592 5
Modern Fighting Aircraft Volume 10 - Tornado, 1986, Salamander Books, Ltd., ISBN: 0-13-925504-4

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