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Aviation History
1955
1955 - 0791.PDF
FLIGHT, 10 June 1955 BRITAIN'S CONTRIBUTION to a great Paris Salon NEVER has a foreign aero show received worthier sup-port from Great Britain than has this year's ParisSalon. The Britannia and Viscount turboprop airliners; the Vulcan delta-wing bomber and Javelin all-weather fighter, of similar wing form; two Canberras; three types of helicopter; the Hunter intercepter; the Gannet and Seamew anti-sub- marine aircraft; and the ubiquitous Vampire Trainer—all these add up to a showing of unprecedented quality and proportions, though one which promises to be matched by the galaxy of new aero engines. Together with ancillary items, materials and other British offerings, the aircraft and power- plants are now reviewed. Aero Research (Stand No. 161) The uses of Redux metal-to-metal adhesives for bonding load-bearing aircraft structures will be the theme of this display. These adhesives have beenemployed over a period of eleven years in nearly 50 different types of aircraft, ranging from airliners to guided missiles, and their"proved durability" will be stressed. Redux is now also supplied in the form of a film, thereby simplifying the bonding of skins tometal honeycomb cores in "sandwich" structures. Practical demonstrations of the technique employed will be given daily onthe stand. Also on view will be Araldite epoxy resins for bonding metal aircraft components and for use in the manufacture ofde-icing equipment. Aero Research, Ltd., Duxford, Cambridge. Air Service Training (Hawker Siddeley Stand, No. 19) TheAircraft Division of this company will show a one-twelfth scale model of a high-speed towed target, with a model of a HawkerHunter, to a similar scale, as the tug. In addition, the Division will display aircraft toilet and toilet servicing equipment as aworking unit in the outdoor exhibition. The Training Division will display a map of the world, showing countries from whichstudents have come to A.S.T. for aeronautical instruction. Air Service Training, Ltd., Hamble, Southampton, Hants. Alvis (Stand No. 94) Fixed- and rotary-wing variants of theLeonides and Leonides Major will be on view. The helicopter Major was seen for the first time at Farnborough last year andthe standard model is now flying in a Marathon, preparatory to installation in the Handley Page Herald. The Leonides Major consists, in effect, of fourteen Leonidescylinders, in two rows. For helicopters the engine can be arranged to run with the crankshaft at any angle between hori-zontal and vertical, and the small overall diameter allows the unit to be mounted in a fuselage without taking up the entire availablewidth, thus permitting a walkway to be provided around the powerplant. A typical fixed-wing Leonides, the 502/5, deliversa maximum take-off power of 570 h.p. at 3,000 r.p.m., and the output of the Leonides Major is 870 h.p. at the same enginespeed. Alvis, Ltd., Holyhead Road, Coventry. Armstrong Siddeley (Hawker Siddeley Stand, No. 19) Arm-strong Siddeley turbojets will be seen in at least three aircraft in the flying display—the S.O.9000 Trident supersonic fighter-research aircraft, with tip-mounted Vipers; the S.O.4050 Vautour ~; Arm Vulcan B.I. 789 Alvis Leonides Major (for helicopter). Armstrong Siddeley Sapphire 7 Armstrong Siddeley Double Mamba. twin-jet bomber, with two Sapphires in underwing nacelles; andthe Fairey Gannet (Double Mamba). On the Hawker Siddeley stand will be examples of the Sapphire and Mamba turbojets, andthe Snarler rocket motor. Very extensive deliveries of the Sapphire 6 have been made forthe Hawker Hunter, Gloster Javelin and Handley Page Victor, and late last year came the announcement that the Sapphire 7had been type-tested at a thrust rating of 10,200 lb. The corres- ponding specific fuel consumption was quoted as 0.885 lb/hr/lbthrust, net dry weight as 2,972 lb, diameter over trunnion mount- ings as 37.4in, and overall length as 127.6in. Recent ratings forthe Double Mamba and Mamba turboprops are 2,920 s.h.p. and 1,480 s.h.p. respectively.The Snarler rocket motor itself is only a development unit, but is a token of an ambitious Armstrong Siddeley programme,which has already produced the mighty Screamer, intended for installation in ultra-high-altitude supersonic aircraft, either as thesole powerplant or in combination with one or more turbojets. The Screamer has been running on the Bitteswell test beds fora considerable time and has been installed for development flying in a Gloster Meteor. Armstrong Siddeley Motors Ltd., Park-side, Coventry. Armstrong Whitworth (Hawker Siddeley Stand, No. 19) Aguided missile test vehicle and a model of the A.W.-developed Meteor N.F.14 night fighter will represent this company on the Bristol Olympus 101 and Bristol Orpheus.
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