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Aviation History
1963
1963 - 1709.PDF
520 FLIGHT International, 19 September 1963 INDUSTRY International... plus t.r.u. supply from engines already started. No fewer than 115 products by SANGAMO WESTON LTD, St George's Court, 22-26 New Oxford Street, London WO, have been specified for use on the Belfast. These comprise instruments for the measure ment of temperatures, pressures and pos itions, power-supply indicators and instru ment accessories. On a panel at the .engineer's station are 37 Weston indicators showing voltage, current and frequency, .each housed in a 2in sealed case. The frequency meter, it is stated, is of particular interest as the Belfast is one of the first aircraft to employ this miniature type of ratiometer indicator. Its scale is graduated from 300 to 500c/s, and an accessory box, containing a sine-wave filter circuit, is fitted behind the panel. Specially designed 2in d.c. ammeters are also included, with ranges from 0-700A and 250-0-100A. Used in conjunction with their associated shunts, the ammeters are designed to with stand an overload of 750A for lOsec. For indication of brake and hydraulic pressure, a 3in indicator with two movements is provided. It is of the ratiometer type and works in conjunction with Weston trans mitters. The instruments operate from a 28V d.c. supply. Eight turbine temperature indicators are fitted, of the conventional moving-coil type with cold-end compensa tion, working directly from the engine thermocouples. Two operate from one set of thermocouples, and these are wired as independent circuits from the engine termin al block, each circuit embodying special adjustable series resistors. Accuracy is stated to be ± 10°C over the critical temper ature range. Indicators for measurement •of outside air, engine oil, fuel, leading- edge duct air and cabin air are provided. All are of the ratiometer type, operating in conjunction with Weston resistance thermo meters, giving system accuracies of the order of ±2 per cent of temperature range. A Weston dual flap-position indicator is also provided, working in conjunction with two rotary position transmitters. In the Belfast's fuel and hydraulic systems are 26 Saunders motorized spherical plug valves, made by the SAUNDERS VALVE <Co LTD, Blackfriars Street, Hereford. Varying in size from £in to 3in, they are of the Mk 4 design, having a hardened plug, thin rubberized-fabric seat diaphragms and double sealing on spindle and bottom bear ing. Reduction-gear drive from the built-in motor gives a full-travel time of lsec. The unit construction, it is stated, achieves a compact assembly, providing a ready means of motor removal without disturbing valves or pipeline. Three manual spherical-plug valves are also included in the fuel system, and a further valve of this type is fitted in the air system. A total of 41 non-return valves is distributed throughout the fuel, water and hot air systems. In the aircraft's domestic water system, Saunders diaphragm valves are fitted. Water controlled by these valves makes contact only with the pocketless stainless steel body and the processed rubber diaphragm, which serves as both isolating and closure unit and, it is stated, eliminates risk of icing. Other Saunders components in the Belfast are relief valves, jettison valves, a coupled diaphragm water pump and a hand-operated diaphragm pump. ULTRAELECTRONicsLTD.Western Avenue, London W3, have provided the throttle control system and intercom equipment for the Belfast. Describing the former as "based on simple servo principles" and comprising a pilot's lever, airframe-mounted amplifier and an engine-mounted throttle motor, they state that the Ultra 2A40 system provides for remote throttle control of the Tyne engines. The basic positioning device employs a synchro system to connect the pilot's lever to the throttle motor. This motor, which can provide a maximum torque of lOOlb-in, normally attains full travel in 2sec, and has been specially designed to withstand ambient temperatures of as high as 150°C. A separate override system is provided. Mr Bernard Boxall, CBE, BSc, MIME, MIPE, chairman of Scottish Aviation Ltd and a director of Lindustries Ltd, has joined the board of Alvis Ltd Mr Bernhard B. Bundesman has been nominated president of Hawker Siddeley International Inc of New York, the US marketing and service subsidiary for certain aircraft and industrial products of the Hawker Siddeley Group Ltd. Mr Bundesman, previously JetStar com mercial sales manager of the Lockheed- Georgia Co, joined Hawker Siddeley from September 15 and will assume responsibility as president of the US subsidiary in Decem ber. In that capacity he will succeed Mr Ian Fossett, who is scheduled to take over a new executive position with Hawker Siddeley in England later this year. One of Mr Bundesman's responsibilities will be the marketing of the Hawker Siddeley 125. Atlas Airfield Lighting Division Atlas Lighting Ltd, who were referred to in our August 29 issue on ancillary industry under the heading of lighting equipment, have pointed out that, though they are a subsidiary of Thorn Electrical Industries Ltd, the company's airfield lighting activities are handled by Atlas Lighting Ltd. UK Industry Employment The number of people engaged in "aircraft manufacture and repair" in June this year is stated by the Ministry of Labour to have been 268,700—a decrease of 1,000 from the pre vious month and 16,100 fewer than in June last year. USA Aerojet to Build 260in Cases Aerojet- General Corporation's Structural Materials Division, Azusa, Calif, is manufacturing glass-filament reinforced-plastics cases for solid-propellant rocket engines each 260in diameter and 54ft long. The company is under contract to the US Air Force ASD Materials Laboratory at Wright-Patterson AFB, Dayton, Ohio, for the design, fabri- cation and testing of two specimens. Programme time is scheduled at 20 months. Each case will use approximately 56m miles of high-strength continuous glass filament, bonded by epoxy resin. Each case will have a wall approximately 1.25in thick, and will be wrapped horizontally on a segmented aluminium mandrel covered with an elastomeric rubber liner necessary for the subsequent hydrotesting. The programme will be carried out under Aero jet supervision at Todd Shipyards Corp at San Pedro, Calif. New Litton Factory Litton Industries are opening new production plant in Lubbock, Texas, next spring, for the manufacture and assembly of electronic equipment for Litton inertia! navigation systems used in advanced fighter aircraft and orbital and sub-orbital vehicles. The premises are to have more than 20,000 sq ft of laboratory and production space. Israel Israel Radio Compass The French C.S.F. RC 232 transistorized radio compass is being manufactured and marketed in Israel by the Israel Aircraft Industries of Lod Airport, Israel. The unit has a power con sumption of only 0.4A at 27V, weighs 161b and has four pre-tuned frequencies which can be selected by push-button in addition to continuous tuning over the full band. The unit is fitted in Israeli Magister jet trainers and fighters. The company makes and exports a variety of electronic equip ment, as well as producing and repairing aircraft under FAA and ARB approval. Indicator for the RC 232 ADF made in Israel and noted in the news-item above
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