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Rolls-Royce/MAN Turbo RB.193

Field	Value
name	RB.193
image	Rolls-Royce MAN Turbo RB.193-12 RRHT Derby.jpg
caption	Rolls-Royce/MAN Turbo RB.193-12 turbofan engine on display at the Rolls-Royce Heritage Trust, Derby
engine_type	Vectored thrust turbofan
manufacturer	Rolls-Royce Limited/MAN Turbo/Bristol Siddeley
first_run	December 1967
major_applications	VFW VAK 191B

The Rolls-Royce/MAN Turbo RB.193 is a vectored thrust turbofan engine designed and manufactured by Rolls-Royce and MAN Turbo in the mid-1960s. The engine test flew in its sole application, the VFW VAK 191B VTOL fighter aircraft but production did not follow after cancellation of the associated aircraft project.

Design and development

The RB.193 was a joint development project by Rolls-Royce/MAN Turbo originally designed to meet a requirement for the VFW VAK 191B project, design work commenced after a contract from the Federal German Ministry of Defence was signed in December 1965. Bristol Siddeley (from 1966 part of Rolls-Royce) were sub-contracted to manufacture components for the engine.

The design was similar in concept and closely related to the earlier Bristol Siddeley Pegasus, employing the same layout of 'hot' and 'cold' pairs of rotating thrust nozzles, internal airflow was the same as the Spey. The engine first ran at Derby in December 1967 with flight testing of the VFW VAK 191B commencing in 1971 with the first free hovering flight taking place at Bremen on 10 September. The aircraft later successfully transitioned from hovering to forward flight at Manching in October 1972. By the end of the test programme in 1975 the RB.193 had accumulated 12 hours of flight time and 91 flights.

Applications

VFW VAK 191B

Engines on display

A VFW VAK 191B aircraft fitted with an RB.193-12 is on display at the Deutsches Museum Flugwerft Schleissheim, panels have been removed to allow viewing of the rotating nozzle and mechanisms.

Specifications (RB.193-12)

Rolls-Royce/MAN Turbo RB193-12, built 1967

and start a new, fully-formatted line with --

Frontal area: 0.58 m2

:*Overall mass flow: 93 kg/s at 10,700 rpm

:*Bypass mass flow: 49 kg/s

:*HP compressor mass flow: 44 kg/s |power/weight= |thrust/weight=4.38

References

(6 January 1966). "AERO ENGINES A "Flight" Survey".
(2 January 1969). "Aero Engines 1969".
(3 February 1972). "World helicopter & V/Stol market".
[http://www.eads-nv.com/1024/en/eads/history/airhist/1970_today/vak191_1971.html EADS - VFW VAK 191B history] Retrieved: 21 July 2009.{{Dead link. (May 2012)
Gunston, Bill. (1989). "World Encyclopaedia of Aero Engines". Patrick Stephens Limited.
(1972). "Jane's all the World's Aircraft 1972–73". Sampson Low, Marston & Co. Ltd.
Wilkinson, Paul H.. (1970). "Aircraft engines of the World 1970". Paul H. Wilkinson.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

high-bypass-turbofan-engines rolls-royce-aircraft-gas-turbine-engines 1960s-turbofan-engines

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