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Aviation History
1962
1962 - 1714.PDF
340 Rolls-Royce Spey iRolls-RoyceRb.162 shared by the governments of Britain, France and West Germany. The RB.175 has an independent turbine stage coupled to a front fan to produce a quieter unit with lower s.f.c. suitable for transports, the RB.176 drives a separate air compressor for the "blown" Belfast, and the RB.181 is a half-scale RB.162 for the Lockheed/Short CL-704. Spey Already selected for important civil and military aircraft, the Spey has been care fully planned as an engine of outstanding efficiency. A two-shaft turbofan (by-pass jet), it has a four-stage fan and 12-stage high-pressure compressor which achieve an overall pressure ratio of up to 16.8 : 1 (even more in some later versions). In con junction with air-cooled turbine blading to permit a relatively high gas temperature, this results in a very low specific fuel con sumption. The first production versions are rated at 9,8501b minimum take-off thrust for the Trident 1, and delivery of pro duction engines is due early next year. The engines for the One-Eleven are rated at 10,000 or 10,4001b, and the military Spey (RB.168) for the Buccaneer S.2 will be con siderably more powerful still, besides being stressed for transonic flight at low level. The RB.183/1 Spey Junior is a lower- rated version, with a slightly reduced weight, giving 8,6501b thrust and specified for the Fokker F.28 airliner. Tyne Most efficient turboprop in the world, the Tyne entered airline service in the Vanguard at 4,785 e.h.p. and with the CL-44 freighter at 5,500 e.h.p. Flight time, with Rover TP/90 FLIGHT International, 30 August 1962 only about 55 aircraft in service, is fast approaching half a million hours. Pro duction is now starting on Tynes for military aircraft, the Belfast, Transall C.160 and Breguet Atlantic programmes calling for engines of up to 8,000 h.p. which will be produced in conjunction with FN (Belgium). Hispano Suiza (France) and MAN (\Y Germany). Continental engines Horizontally opposed ("flat") engines designed by Continental Motors Corporation of Muskegon, Michi gan, have been selected by builders of club, private and business aircraft in all parts of the world. Rolls-Royce have signed an agreement with the American firm giving them the right to manufacture and market both complete engines and spare parts for Europe and other areas. Most important of the range to be built by the Light Air craft Engine Department (part of the R-R Motor Car Division, actually) at Crewe will be the 95 h.p. C90, the 100 h.p. O-200 (the first of which are about to come off the line), 145 h.p. six-cylinder O-300 series and 260-310 h.p. O-470 family. The Rover Co Ltd ROVERGASTURBINESLTD # Meteor Works, Solihull, Warwickshire W Solihull (021 SOL) 4242 £1,000 nominal capital TP/90 Descended from a widely used 60 h.p. industrial unit and a series of air borne auxiliary powerplants, the TP/90 turboprop is a simple single-shaft engine fitted with full aircraft accessories including an electrically driven air-pump used during starting. The actual engine exhibited in a wing-mounted installation at the 1961 SBAC show has been used to complete a 155hr ARB type-test, run with a McCauley propeller (the blades of which are of the pattern used on the pusher propeller of the Cessna 220 in order to obtain the correct rotation). At 47,000 r.p.m. the measured power is 118 b.h.p., and consumption at 97 h.p. at 5,000ft is 9.7 Imp gal of fuel per hour—and the fuel is Avtur, costing only about 2s 6d per gal. With propeller and filled oil system the powerplant weighs 2651b. Rolls-Royce Continental O-200A
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