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Rolls-Royce RB.44 Tay
1940s British turbojet aircraft engine From Wikipedia, the free encyclopedia
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The Rolls-Royce RB.44 Tay is a British turbojet engine of the 1940s, an enlarged version of the Rolls-Royce Nene designed at the request of Pratt & Whitney.[1] It saw no use by British production aircraft but the design was licence built by Pratt & Whitney as the J48, and by Hispano-Suiza as the Verdon.[2]
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Two early production examples of the Tay were evaluated during 1950 by the Royal Aircraft Establishment (RAE) at Farnborough Airfield, Hampshire, in a specially modified Vickers Viscount.
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Variants
- RB.44 Tay
- Rolls-Royce development engines only, no production.
- Hispano-Suiza Tay 250
- The Tay built under licence in France.[3]
- Hispano-Suiza Tay 250A
- The Tay built under licence in France.[3]
- Hispano-Suiza Tay 250R
- The Tay built under licence in France.[3]
- Hispano-Suiza Verdon 350
- The Tay developed under licence in France.[4]
- Hispano-Suiza Verdon 370
- The Tay developed under licence in France.[4]
- Pratt & Whitney J48
- The Tay built and developed under licence in the United States.
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Applications
- Tay
- Verdon
Specifications (Hispano-Suiza Verdon 350)
Data from Flight.[5]
General characteristics
- Type: Turbojet
- Length: 103.2 in (2,621 mm)
- Diameter: 50 in (1,270 mm)
- Dry weight: 2,061 lb (935 kg)
Components
- Compressor: Double sided centrifugal compressor
- Combustors: Nine tubular combustion chambers
- Turbine: Single-stage turbine
- Fuel type: AVTUR / JET-A1 / F-34 etc.
- Oil system: Pressure spray lubricated with scavenging
Performance
- Maximum thrust: 7,710 lbf (34 kN) at 11,000 rpm
- Overall pressure ratio: 4.9
- Air mass flow: 132 lb/s (60 kg/s)
- Specific fuel consumption: 1.1 lb/(lbf h)
- Thrust-to-weight ratio: 3.74
See also
Related development
Related lists
References
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