The Rolls-Royce RB.183 Tay is a twin-spool, high bypass turbofan engine manufactured by Rolls Royce for the Fokker 70 and Fokker 100 aircraft. The RB.183 Tay consists of a twenty-two blade titanium fan, three-stage Intermediate pressure compressor, twelve-stage High pressure compressor, two-stage high pressure turbine, and three-stage low pressure turbine.
This aircraft engine was developed from the RB.163 Spey, using scaled down low-pressure components from the RB.211 to produce versions with a bypass ratio of 3.1:1 or greater. The engine was first run in August 1984.
Specifications
Type: high bypass turbofan jet engine
Length: 94.7 in (2405.4 mm)
Diameter: 44 in (1117.6 mm) (fan diameter)
Dry weight: 3,310 lb (1501.4 kg)
Bypass ratio: 3.04
Compressor: Single stage fan, 3-stage LP compressor and 12-stage HP compressor
Turbine: 2-stage HP turbine and 3-stage LP turbine
Combustors: 10 cannular combustion chambers
Maximum thrust: 13,850 lbf (62.82 kN)
Turbine inlet temperature: 735 degrees C (maximum continuous)
Thrust-to-weight ratio: 4.2
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