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Aviation History
1962
1962 - 0312.PDF
314 As described on this page, the first 8S.75 engine is now running FLIGHT International, 1 March ]%y HSA at Hanover Seven civil and military aircraft are being featured by Hawker Siddeley Aviation at the Hanover Air Show in April, and at least four of them will be in the flying display. The Avro 748 will be seen for the first time in Germany and the Blackburn Buccaneer is making its third appearance there; the Hawker Hunter and Folland Gnat are participating as well as either a civil Argosy or Argosy C.l if commitments permit. Models of the de Havilland Trident and D.H.125 are being shown on the Hawker Siddeley stand, as is a model of the P. 1127. Elliott Radio for the RAF Another order for Elliott 21-series VHF communications and navigation radio has been placed, this time for units worth £155,000 to be installed in Short Belfasts of Transport Command. The same equipment has also been ordered for the MoA Civil Aviation Flying Unit at Stansted. Further substantial contracts are being negotiated. WORLD N EWS . . . The BS.75 Runs Described by Bristol Siddeley Engines as "the first high by-pass ratio turbofan to be designed as such from the start" the BS.75 ran for the first time on the bench at Patchway on February 6. The background to its development was related in this journal on August 12, 1960. The engine is sized to a total mass flow of 1961b/sec (124 cold, 72 hot), giving a design thrust at sea level of 7,5501b at 8,900 r.p.m. with a corresponding specific fuel consump tion of 0.508. A typical altitude perform ance (25,000ft, 460kt) is 2,5301b thrust with s.f.c. of 0.783, and the dry weight of the engine is given as 1,5501b. These are all competitive figures, and the engine also gains from the fact that many of the critical components closely resemble those of earlier BS engines which have logged years of intensive operation. In particular, the three-stage fan is based upon Olympus low-pressure blading, the h-p compressor stems from that of the Orpheus, the annular combustion chamber has 16 vaporizing burners similar to those of the Sapphire, Mamba and Viper, and the two two-stage turbines closely resemble those of the Proteus. Although no firm order for the engine has been announced, it is specified in projected civil and military aircraft in many countries. At the time of writing, the first prototype engine is on the bench again after an examination following the com pletion of several hours' running. Results so far are very successful. Civil Load for a military aeroplane. This demonstration in the hold of the Military Herald mock-up at Handley Page's Cricklewood works shows that it can accommodate a Rolls-Royce—this one is some 6ft 3in wide overall—and still have room for the driver to get in and out HHKarJHH Following the retirement of Mr P. R. Hornidge, Flight Refuelling's chief test pilot, Mr R. Dickinson (right) has been appointed to succeed him. Details: page 342 Dunstable Dinner The coefficient of friction between London Gliding Club, oldest in Britain, and Lasham Gliding Centre, biggest in Britain, was reduced to a minimum on the occasion of the London club's annual dinner at Dunstable on February 16. Guest of honour, in fact, was David Carrow, chairman of Lasham Glid ing Society. Both Mr Carrow and Charles Ellis of Dunstable were in excellent speech- making form. Club awards made at the dinner com prised the Dent Trophy to George Scar borough; Cellon Trophy for the best ah initio student to John Argent; Desoutter Cup for the best constructional job to Vic and John Tull; Derry Trophy to Don Gerrard, with a special mention for Peter Withall; and the Foster Boomerang for the best out-and-return to G. Stephenson. Photographer Wanted An opportunity occurs for an enthusiastic, really knowledge able cameraman to join the staff of the Associated Diffe Press photographic depart ment. In addition to a keen interest in flying, motoring and motor cycling, wide subject-matter experience and the ability to drive a car are essential. Applications should be addressed to: The Manager, Photographic Department, Associated JJiffe Press Ltd., Dorset House, Stamford Street, London SE1.
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