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Aviation History
1960
1960 - 0396.PDF
396 FLIGHT, 25 March !%o FROM ALL QUARTERS Equipment Manufacturing Policy SOME idea of the Government's intentions as they affectequipment manufacturers in the aircraft industry was given by the Minister of Aviation, Duncan Sandys, when he spoke at the annualluncheon of the Electronic Engineering Association last w.eek. Commenting that he knew some of his hearers were worriedlest recent mergers should have unfavourable consequences for them, and feared the big new groups would extend their activitiesfurther in the equipment field, Mr Sandys went on: "The Government's policy is to maintain in this country efficientcapacity for the design, development and production of aero- nautical equipment. It is not our intention to encourage airframemanufacturers to undertake work formerly done by specialist equipment manufacturers. But equally it is no part of our policyto try to prevent them from widening their range of business, provided they do so at their own risk and expense. The Govern-ment have invested large sums of public money in laboratories and other technical facilities at the works of the specialist firms.We certainly do not propose to duplicate these faculties elsewhere at public expense." Mr Sandys commented finally that in development and procure-ment the Government's objective would be to obtain products "of the requisite quality produced efficiently at the lowest possiblecost," and contracts would be placed with this aim in mind. Rolls-Royce and MAN « CONFIRMATION of the rumoured agreement between Rolls- Royce Ltd and Maschinenfabrik Augsburg-Nurnberg AG is con- tained in an announcement from the British company. The two firms will share the financial and technical effort required to develop "small jet engines" (the RB.153 has been unofficially named as being a 4,9601b-thrust engine likely to be used in German VTOL projects). Pima 017 DETAILS are now available of the Type 017 gas turbine, latestproduct of the VEB (National East German aircraft industry) at Pirna, and readers may like to note the figures as an addition toour review last week of the world's aero engines. The basic gas-producer has a centrifugal compressor and two-stage turbine; it operates at a pressure ratio of 3.1:1 and has a mass flow of 3.091b/sec. At the maximum of 32,000 r.p.m., theshaft power is 130 b.h.p. Fuel consumption of the basic 017D at full power is 171.6lb/hrand in this form, weighing about 2211b, the engine is planned for a variety of industrial and airborne applications. The 017E differsin having heat-exchange added to the work cycle. The com- pressor delivery is taken to a box-type heat exchanger on eitherside of the combustor. Each contains 70 layers of square- corrugated 0.008in stainless sheet (said to be imported from Austria since East Germany is not producing such material)operating at up to 700 °C. The flow then reverses to pass through the combustion chamber and the turbine exhaust divides to ;iowtransversely across the heat-exchanger cores. Weighing 4<01b the 017E has a reduced maximum consumption of 112.21b/hr andis intended for many applications including the propulsioi of helicopters and light aircraft. A prototype of this unit is said tohave run for l,200hr on the bench. Breguet Memorial Trophy AWARDED annually by the Royal Aero Club for meritoriousachievement in the development of VTOL aircraft, the Louis Breguet Memorial Trophy for 1959 has gone to Dr J. A. J.Bennett, Professor of Aerodynamics at the College of Aeronautics^ Cranfield, "for his exceptional technical contributions over theyears to the rotary-wing art, and in particular for his basic con- ception of the principles embodied in compound rotor craft withfixed wings and propellers." Integral Ordered THE French Air Ministry has placed a development contract forthe Breguet 941 Integral blown-wing STOL transport. Construc- tion of the prototype has begun, and it is hoped to demonstrate itat the Paris Salon next year. Powered by four Turbomeca Turmo IIIDs—the Government is said to have banned the D.H. Gnomesoriginally specified—and Ratier-Figeac propellers, the 941 will have the Messier "jockey" undercarriage, weigh 44,1001b3 havea maximum payload of 13,2301b and carry 40 to 50 passengers. Cruising speed will be 215kt, stage length with 8,8201b load,932 miles, and field length from 656 to 1,312ft. A pressurized version will be called 942. The prototype 940, weighing 15,4351b and with 1,600 h.p.,cleared 50ft after 623ft (278ft ground run); it touched down 328ft beyond a 50ft barrier and rolled for only 196ft. Supersonic Transports, Specific PLOT a curve of the distance which, over the centuries, a man hasbeen able to travel in 12 hours and a remarkably smooth rising curve can be drawn. Indeed, if it is plotted on a log scale, it isso straight that "I wouldn't dare to put it on the screen, as it would look fiddled." So said Sir George Edwards, managingdirector of Vickers-Armstrongs (Aircraft), in an address last Friday to the combined graduates' sections of the Institutions ofMechanical, Electrical and Civil Engineers. He was talking to them about the future of air transport. He guessed that supersonic transport would come in about 1971or 1972, and at a Mach number of about 2.2. "If you go faster with light alloy the thing melts . . . and in any case you may find thatit will be faster to get there in a Mach 2.2 aeroplane which somebody knew how to design than in a Mach 3 aeroplane thatsomebody didn't." NEW OLYMPUS: last week Bristol Siddeley announced the Olympus 27 (right), rated at 20,000/b dry. In- corporating a zero stage, it has been developed "with a view to utilizing to the fullest extent the ultimate design potentialities of the Avro Vulcan" NEW GAZELLE: first commercial!) certificated version of this Napier free- turbine engine, the Gazelle 511 (left) has a single swept jetpipe to suit instal- lation in the Westland Wiltshire heli- copter. Other changes include an axial intake, regrouped accessories and a smaller gearbox. Gazelles are being considered for current American helicopters
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