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Aviation History
1959
1959 - 1677.PDF
810 FLIGHT, 12 June 1959 Vickers-Armstrongs Vanguard Britain's Contribution to the Paris Show . . . Dunlop Rubber Co. Ltd., Aviation Division (Stand No. 115H)Dunlop will be showing tyres, wheels, brakes, Maxaret anti-skid units, de-icing equipment and windscreen wipers, with particular emphasis onDunlop equipment for the Sud Caravelle airliner. Also on show will be 3,000 Ib/sq in compressors and pneumatic actuating valves, rams andselectors. The Maxaret anti-skid unit has been designed to provide the mostefficient braking torque throughout the landing run, but to eliminate the danger of skidding. The unit consists of a valve arrangement regu-lated by a flywheel housed in a rubber tyred shell that is rotated by direct contact with the rim of the main landing wheel. Excessive decelerationdisplaces the flywheel in relation to the shell and operates the valve mechanism. This releases the pressure in the brakes and closes thepressure supply until the wheels regain forward movement. The balance of flywheel and drum is then restored and pressure is again admittedto the brakes until signs of an approaching skid repeats the cycle of operation. The main advantages of the use of the Maxaret anti-skid unitare claimed as: (1) maximum braking with full pilot control is available under all conditions. This ensures the shortest possible landing run;(2) improved tyre life and performance, as the severe local wear due to even slight skids is prevented. Dunlop Rubber Co. Ltd., Aviation Division, Holbrook Lane, Foleshill,Coventry. Edgar Percival Ltd. The aircraft formerly known as the E.P.9 hasnow been renamed the Prospector, and as such will be demonstrated at Paris. The Prospector will give a spraying demonstration on severaldays of the show and will also be exhibited as a freighter and fitted with stretchers for ambulance work. Powered with a Lycoming GO-480engine the aircraft can seat pilot and five passengers. Economical cruising speed (passenger version), 120 m.p.h. Edgar Percival Aircraft Ltd., Squires Gate Airport, Lytham St. Annes,Lancashire. E.M.O. Instrumentation Ltd. (Stand No. 18A) On this stand willbe a torque-testing machine, for measuring accurately the starting and running torques of precision bearings, and complete synchros. Also onview will be a bearing washing unit—for washing precision bearings and ensuring absolute cleanliness. Additionally there will be a display ofprecision bearings to ABEC 5 and 7 specifications and to British Govern- ment and American specifications. These bearings are used by leadingmanufacturers of gyro flight instruments, computers, cold-air units, synchros, servo motors, etc. E.M.O. Instrumentation Ltd., Western Road, Bracknell, Berks. English Electric Aviation Ltd. (Stand No. 20H) The English ElectricLightning intercepter fighter, as now in quantity production for the R.A.F., will fly over to Le Bourget on June 19 and will be demonstratedin the flying display on the following two days. It will not appear in the public park. The Lightning is powered with two Rolls-Royce Avonturbojets with reheat and has Mach 2 performance. Primary armament is two de Havilland Propellers Firestreak missiles. A side-by-side two-seater development, the P.ll, is already flying. English Electric will also be showing a Thunderbird Mk 1 ground-to-air missile on its mobile launcher, and possibly operated by an Army team. The Thunderbird Mk 1 has a cruciform of fixed wings and a rearcruciform of control fins. The light-alloy body has an ogival nose of dielectric material and a boat-type tail. Thunderbird test vehicles werefitted with liquid-propellant sustainers, but the production missile has a high specific impulse and probably gives a range at least as good asthat originally obtained with the liquid motor. Four wrap-around boost motors are used to provide the acceleration needed for zero-lengthlaunching at a high angle of elevation. On Stand 20H there will be a range of products by English Electric'sAircraft Equipment Division, including constant-speed drives and other items of A.C. equipment as supplied for the Mk 2 versions of theVulcan and Victor bombers. The instrument wing of the company's Guided Weapons Division will be represented by stabilized platformsand MIG gyroscopes made under licence from Minneapolis-Honeywell. Also on the stand will be models illustrating the operational deploymentof the Thunderbird missile. Other models will show the Lightning and Canberra PR.9 high-altitude photographic-reconnaissance aircraft. Thetheme of another exhibit will be "ten years of Canberra achievement." English Electric Aviation Ltd., Marconi House, Strand, London,W.C.2. Fairey Aviation Ltd. (Stand No. 21H) Fairey will have a Rotodynevertical take-off airliner in the flying display and a Jindivik Mk 2B target aircraft on static exhibition. Indoors there will be a one-eighth scale model of the Rotodyne showing specimen 65-passenger loads, cargoesand a typical military load. A guided weapon panel will illustrate the purpose of the Jindivik target and will mention Fairey's new anti-tankguided weapon for the British Army. A model of the Gannet AEW Mk 3 carrier-borne early-warning aircraft will be supplemented by a panelillustrating the role of this new type. Finally there will be a display of investment steel castings made by the company for different aircraft. The Rotodyne is likely to prove one of the outstanding attractionsof the show. It will be seen in prototype form, powered by two Napier Elands. The production version, ordered by New York Airways and byOkanagan Helicopters will be larger, faster and more powerful. It will be powered by two Rolls-Royce Tyne engines and will carry 57 pas-sengers or 15,000 1b of freight at a speed of more than 200 m.p.h. over a 250-mile stage (i.e., London to Paris) with full allowances. Maximumpassenger load will be 65 (or 18,000 lb of freight) over 120 miles; range will be 650 miles.The two turbine powerplants of the Rotodyne are so arranged as to feed compressed fresh air to the main rotor for vertical flight; mostof the power is absorbed at take-off by the rotor, the tip of each of which it fitted with a kerosine-burning pressure jet. Transition to forwardflight is achieved by progressively transferring power from the rotor to the propellers. In this condition the Rotodyne cruises solely on the thrustof the propellers, lift being provided by the autorotating rotor and the conventional wing, the last-named component providing about 60 percent of the lift during the cruise. The production version of the Rotodyne will have a rotor diameterof 104ft and a gross weight of 50,000 lb. Fairey Aviation Ltd., Hayes, Middx. Folland Aircraft Ltd. (Stand No. 10SA) Folland will be exhibitingthe following items: A ^-scale model of the Gnat Mk 1 interceptor and ground-attack fighter. A -scale model of the Gnat two-seater transonictrainer, of which a pre-production batch of fourteen has been ordered for development for the Royal Air Force. Models of the Gnat Mk 1,showing the range of underwing weapons and stores which can be carried by this aircraft in the tactical role. A selection of Gnat Mk 1components, chosen to illustrate simplicity, weight saving and other features characteristic of the Gnat and Gnat Trainer. Application of theFolland combined parachute and seat harness to aircraft ejection seats. Folland Aircraft Ltd., Hatnble, Hants. Garringtons Ltd. (Stand No. 143H) Garringtons name their primaryexhibits as compressor and turbine blades forged to over-size, close or precision limits in alloys of aluminium-bronze, steel, nickel, titaniumand nimonic in prototype or bulk quantities. They also list the follow- ing: Flap-selection unit: This item has been invented and patented byB.O.A.C. and will shortly be fitted to all their aircraft. New type of universal joint: This joint is especially adaptable for controls and systemsof leverage where angular variations are encountered and where a possibi- lity of danger to controls through corrosion can be encountered. Gydelitereflecting stud: The object of this stud is to mark taxying ways and perimeter tracks with the type of marker which will react to the runningof taxying lights of any size of aircraft. This will enable the use of studs in place of electric lighting.Garringtons Ltd., P.O. Box No. 4, Bromsgrove, Worcs. Sir George Godfrey & Partners Ltd. (Stand No. 10SB) Among theprincipal exhibits on Stand 105B will be a cabin compressor Type 175 Mk 1 for the Vanguard; a cold-air unit CT-6 Mk 1 (a typical turbo-compressor cold-air unit for military applications), a cabin supercharger Type 15 (shown sectioned and supplied for the Viscount, Friendship,Herald, Argosy, Gulfstream, etc.), and a cold-air unit BT-7 Mk 1, as delivered to the R.A.F. There will also be a refrigerant compressor Canadair Napier/Convair 540
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