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Rolls-Royce Tyne

1950s British turboprop aircraft engine

Field	Value
name	Tyne
image	File:Engine of a Transall C-160.jpg
caption	Rolls-Royce Tyne installed in a Luftwaffe C-160
engine_type	Turboprop
manufacturer	Rolls-Royce Limited
first_run	April 1955
major_applications

The Rolls-Royce RB.109 Tyne is a twin-shaft turboprop engine developed in the mid to late 1950s by Rolls-Royce Limited to a requirement for the Vickers Vanguard airliner. It was first test flown during 1956 in the nose of a modified Avro Lincoln. Following company naming convention for gas turbine engines this turboprop design was named after the River Tyne.

Design and development

Designed in 1954 by a team under Lionel Haworth and intended as a more powerful alternative to the Dart, the RB.109 Tyne was initially designed for a power of 2,500 shp but when first run in April 1955 the engine far exceeded expectations and was soon being type-tested at 4,220 shp. The Tyne was developed primarily for the four-engined Vickers Vanguard airliner, the prototype first flying on 20 January 1959 equipped with four Tyne Mk.506 of 4,985 e.s.h.p. Production deliveries of the engine were made from mid-1959 onwards to power the 43 Vanguards delivered to British European Airways and Trans-Canada Airlines.

The engine was further developed with greater power and used in the later twin-engined Dassault-Breguet Atlantique long-range reconnaissance aircraft; also in the Canadair CL-44 and Transall C-160 transport aircraft.

A single stage HP turbine drives the nine-stage HP compressor. A three-stage LP turbine drives the six-stage LP compressor and, through a reduction gearbox, the propeller. The combustor is cannular.

The Mark 515 Tyne had a nominal takeoff power output of 5730 hp equivalent power, flat rated to ISA+16.8C.

An agreement was signed in 1963 between Hispano-Suiza and Rolls-Royce for the licence production of the Tyne for the Breguet Atlantic and Transall C-160. Each company that was part of the agreement built parts for itself and the partners, Rolls-Royce (United Kingdom) 20%, Hispano-Suiza (France) 44%, MAN (Germany) 28% and FN (Belgium) 8%. The final assembly was undertaken by both MAN and Hispano-Suiza. The first production batch was for 80 engines and 40 spares for the Atlantic.

Variants

Rolls-Royce Tyne Mk.506 at RAF Museum Cosford

Rolls-Royce Tyne Mk.12 on Short Belfast G-HLFT, Stansted 1997

;RTy.1: Takeoff power of 4,500 bhp; cruise power of 2,455 bhp at 425 mi/h and 25,000 ft altitude, with specific fuel consumption (SFC) of 0.405 lb/hph; fitted to Vickers Type 951 Vanguard and Vickers Merchantman ;RTy.11: Takeoff power of 5,050 bhp with SFC of 0.48 lb/hph; cruise power of 2,845 bhp at 425 mi/h and 25,000 ft altitude, with SFC of 0.388 lb/hph; for Vickers Type 952 Vanguard ;RTy.12: 3442 kW for Canadair CL-44 ;RTy.12: Takeoff power of 5,305 bhp with SFC of 0.449 lb/hph; for Short Belfast ;RTy.20 Mk 21: 4226 kW for Breguet 1150 Atlantic and Breguet ATL2 Atlantique ;RTy.20 Mk 22: 4228 kW for Transall C-160 ;RTy.20: 3624 kW for Aeritalia G.222T ;RTy.20: 4500 kW for Transall C-160 and Breguet ATL2 Atlantique ;RTy.22: projected military use engine rated at 7075 hp equivalent ;RTy.32: projected military use engine rated at 8400 hp equivalent ;Mk.101: (RTy.12) ;Mk.506: ;Mk.512: ;Mk.515: ;Mk.515-101W ;Mk 801 ;Mk 45: ;RM1A:Marinised ship powerplant ;RM1C:Essentially similar to the RM1A ;RM3C:Essentially similar to the RM1A

Applications

Aircraft

Rolls-Royce Tyne testbed Avro Lincoln demonstrating at Farnborough 1956 on just the nose Tyne, the four Merlins being shut down

Aeritalia G.222
Avro Lincoln (testbed)
Breguet Atlantic
Canadair CL-44
Conroy Skymonster
Short Belfast
Transall C-160
Vickers Vanguard

Ships

The marine version, the Rolls-Royce Tyne RM1A, RM1C and RM3C remained in service as the cruise gas turbines in Royal Navy Type 21 frigates, Type 42 destroyers and Type 22 frigates until the retirement of the 4 Batch 3 Type 22 frigates (2011) and the last remaining Type 42 Destroyer (2013). They were also used in numerous other European ships such as the Tromp and Kortenaer-class frigates.

Engines on display

A Rolls-Royce Tyne is on public display at the Royal Air Force Museum Cosford.

East Midlands Aeropark
Rolls-Royce Heritage Trust, Derby

Specifications (Tyne RTy.20 Mk 21)

|power/weight= 2.55 hp/lb (4.194 kW/kg) |thrust/weight=

References

Notes

Bibliography

References

{{Harvnb. Jackson. 1990
"World Encyclopedia of Aero Engines - 5th edition" by [[Bill Gunston]], Sutton Publishing, 2006, p.197
{{Harvnb. Jackson. 1974
(3 January 1963). "Tyne Agreement Signed".
Federal Aviation Agency. "Project Hummingbird: A technical summary and compilation of characteristics and specifications on steep-gradient aircraft".
Peter Pugh. (2 April 2015). "The Magic of a Name: The Rolls-Royce Story, Part 3: A Family of Engines". Icon Books Limited.
Taylor, John W.R. FRHistS. ARAeS.. (1962). "Jane's All the World's Aircraft 1962-63". Sampson, Low, Marston & Co Ltd.

Info: Wikipedia Source

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