Rolls-Royce RB.183 Tay

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For the earlier turbojet, see Rolls-Royce RB.44 Tay.
Tay
Airbagan-f100-nr-070117-03-8.jpg
A Tay 650-15 installed on an Air Bagan Fokker 100
Type Turbofan
Manufacturer Rolls-Royce plc
First run 1984
Major applications Fokker 70
Fokker 100
Gulfstream IV
Gulfstream G350/G400/G450

The Rolls-Royce RB.183 Tay is a turbofan engine, developed from the RB183 Mk555 (Spey) core and using a fan scaled directly from the Rolls-Royce RB.211-535E4 to produce versions with a bypass ratio of 3.1:1 or greater. The IP compressor and LP turbine were designed using technology from the RB211 programme.[1] The engine was first run in August 1984.[2] The Tay 650 had a new HP turbine which incorporated new technology which had been proven with the RB211-535E4. This engine also had a new combustor for improved durability.[3] The Tay family is used on a number of airliners and larger business jets, including the Gulfstream IV family, Fokker 70 and Fokker 100, with a later version being used to re-engine Boeing 727-100s.

Variants

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Tay 611-8

Originally designated 610-8, all but one training engine have now been converted to 611-8 standard. The newest variant is the 611-8C which has cast HP1 turbine blades, larger fan from the 650-15, structural by-pass duct and FADEC.

All Tay engines use a twenty-two blade titanium fan, a 3 stage intermediate pressure compressor coupled to the fan shaft, a 12 stage high pressure compressor, a 2 stage high pressure turbine and a 3 stage low pressure turbine.

Thrust: 13,850 lbf (62 kN) Aircraft: Tay 611 entered service in 1987 on the Gulfstream IV/IV-SP, for which it is the exclusive powerplant.

Tay 620-15

Rolls-Royce Tay on a Fokker 100, with reverse thruster engaged.

The 620-15 is internally identical to the 611-8 and externally similar to the 650-15.

Thrust: 13,850 lbf (62 kN) Aircraft: Fokker 70 from 1994, Fokker 100 from 1988

Tay 650-15

Thrust: 15,100 lbf (67 kN) Aircraft: Originally designed to re-engine the BAC One-Eleven (650-14, only two made, both have since been converted to 650-15 standard.), the 650-15 entered service on the Fokker 100 in 1989.

Tay 651-54

The 651-54 is internally identical to the 650-15. The externals and gearbox suit the Boeing 727.[4]

Thrust: 15,400 lbf (69 kN) Aircraft: Boeing 727-100 from 1992. Conversion from three JT8D-7 to three Tay 651-54 was done by the now defunct Dee Howard Aircraft Maintenance Company in San Antonio Texas for the United Parcel Service but all aircraft are currently grounded. Only one private 727 was converted.

Applications

Specifications (Tay 620-15)

Data from Rolls-Royce and FAA TCDS.[5][6]

General characteristics

  • Type: Twin-spool high bypass turbofan
  • Length: 94.7 in (2,405.4 mm)
  • Diameter: 44 in (1,117.6 mm) (fan diameter)
  • Dry weight: 3,310 lb (1,501.4 kg)

Components

  • Compressor: Single-stage fan plus 3-stage IP compressor and 12-stage HP compressor
  • Combustors: 10 can-annular combustion chambers
  • Turbine: 2 stage HP turbine, 3 stage LP turbine

Performance

See also

Comparable engines
Related lists

References

Notes

  1. ↑ "Developing the Rolls-Royce Tay' M.J.Wilson ASME-880051
  2. ↑ Gunston 1989, p.153.
  3. ↑ "Developing the Rolls-Royce Tay' M.J.Wilson ASME-880051
  4. ↑ FAA Type Certificate Data Sheet
  5. ↑ Rolls-Royce data sheet
  6. ↑ FAA Type Certificate Data Sheet

Bibliography

External links

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