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Aviation History
1951
1951 - 1785.PDF
3*4 FLIGHT AUXILIARY SERVICES ... of up to one million candlepower, air- craft emergency landing flares of up to 400,000 c.p., ground-flare landing units of 150,000 c.p., search and rescue flare units, high-altitude parachute signals, dinghy distress signals, smoke-flame floats, and Very pistols and cartridges. One of the more recent developments by the company is the H.T.V. smoke-flame float; this has an exceptionally high dropping rate, and automatic ignition on impact with the water. Siebe Gorman and Co., Ltd., Davis Road, Tolworth, Surbitcm, Surrey (Stand 110), will display safety harness, both for military and civil aircraft, and life-saving waistcoats (flotation jackets), to the company's own and to B.O.A.C. designs. FIRE PREVENTION The Graviner Manufacturing Co., Ltd., Poyle Mill Works, Colnbrook, Bucks (Stand 146), will display the new production version of the magnetic type re-setting fire detector, and this will be complemented by a new type continuous re-settng detector. Each of these exhibits will be featured against a background of the fire- prevention equipment for which the com- pany are world-famous. Pye, Ltd., Cambridge (Stand 167), well known as makers of radio equipment and electrical test apparatus, have developed impact switches to give protection against fire hazards. The Pyrene Co., Ltd., Grosvenor Gardens, London, S.W.i (Stand 98), will exemplify their range of fire-fighting appliances by the Duo-head CO2 extinguisher. This can be used either as a portable hand ex- HAND APPLICATOR CONNECTION FOR PIPE UNEL me Lmo-neaa \,\J2 extrwpuisne/1 manufactured by thervrene Co.. LtdsThe method by which it can be coupled to a piping installation is shown. tinguisher or as an automatically-operated unit, particularly in conjunction with the company's smoke detector, which is specially designed to give warning of an outbreak of fire in baggage compartments or inaccessible parts of the aircraft when grounded or in flight. Other Pyrene fire appliances comprise pressure-type hand extinguishers using methyl-bromide or C.B. mixture, the PA 33 "wet" water extinguisher, and the range of extinguishing equipment for airfield use. Ventter Time Switches, Ltd., Kingston By-Pass Road, New Maiden, Surrey (Stand 78), will have on view their delay- action switch for use with methyl-bromide spray engine-fire extinguishing systems. The switch ensures that, whether the engine has come to rest or not, it is flooded automatically after the delay period. FUEL COMPONENTS Automotive Products Co., Ltd., Tach- brook Road, Leamington Spa (Stand 81), will exhibit Lockheed-Avery hoses and self-sealing couplings in a complete range of types and sizes, including examples of the standard S.B.A.C. pressure-refuelling coupling. The well-known Purolator fuel and oil niters for aircraft will also be on view. Delaney Gallay, Ltd., Vulcan Works, Edgware Road, London, N.W.2 (Stand 121), in addition to their work in the heat- exchanger field, also manufacture special- ized fuel tanks in a variety of light alloys. Dowty Equipment, Ltd., Arle Court, Cheltenham, Glos (Stand 9), are to include in their diverse display a gas-turbine fuel pump and items of fuel system equipment, including sectioned spill burners. The Fairey Aviation Co., Ltd., Hayes, Middlesex (Stands E and 44), will have on view the Fairey filler cap (pressure type) which is tested for a maximum pressure of 20 lb/sq in; the unit is proof against con- tinuous vibration shock-loads. Com- plementing the filler cap is a fuel drain valve applicable to all types of tank drainage systems. Simple in design and designed to withstand pressurization, the unit is installed on many modern aircraft. Nut rings in a variety of sizes will, additionally, be shown. Fireproof Tanks, Ltd., The Airport, Portsmouth, Hants (Stand 159), will exhibit typical examples of their range of flexible fuel tanks, together with new grades of tank sheeting-materials. Tank fittings, synthetic rubber mouldings, flame-proof and crash-proof coverings, synthetic robber sealing rings and vibration damper blocks will also be shown. Information will be available on a new method, evolved to meet special requirements, of supporting flexible tanks. H. M. Hobson, Ltd., Fordhouses, Wolver- hampton (Stand 55), intend to exhibit injection and float-type carburettors, fuel injection pumps and a representative selection of their accessories for use with gas-turbine power installations. Joseph Lucas Gas Turbine Equipment), Ltd., Willesden Junction, London, N.W.10 (Stand 133), design, develop and manu- facture complete gas-turbine fuel systems as well as the individual units, such as pumps, barometric pressure controls, air- fuel ratio controls, burners, valves and so forth which are included in the systems. Marston Excelsior, Ltd., Fordhouses, Wolverhampton (Stand 142), are to exhibit a light-weight flexible bag-tank, especially made to include the new "pad" fittings and to illustrate the various methods of attachment applicable to this type of tank. Examples of moulded outlet connections now common on Flexelite tanks will also be shown. The new pad fitting attachment permits a pre-determined amount of com- pression to be applied when the fittting is secured, and the pad is so shaped as effec- tively to resist side movement. Upstream-flow burner de- The Palmer Tyre, Ltd., Penfold Street, Edgware Road, London, N.W.i (Stand 41), are to exhibit their Silvoflex pipes which, designed to withstand persistent flexing, and embracing resistance to oil, petrol, extreme variations of temperatures and pressures, are in wide use. Vickers-Armstrongs, Ltd., Vickers House, Broadway, Westminster, London, S.W.I (Stand L), will include in their display working models of their well-known R-type and P-type cocks fitted with actuators of Plessey, English Electric and Western manufacture. A non-return valve and a 3m jettison-valve with Rotax actuator will also be shown. Vokes, Ltd., Henley Park, Guildford, Surrey (Stand 25), will include, among the representative units of their filtration range for various fluids, some of their latest designs for oil and fuel systems. HYDRAULIC EQUIPMENT, POWERED CONTROLS AND UNDERCARRIAGES Automotive Products Co., Ltd., Tach- brook Road, Leamington Spa (Stand 81), will feature a working model of the Servo- dyne power assistance system for flying controls. Standard units from the Lock- heed hydraulic power service for aircraft, such as the Mk 7 pump and a new type cut-out valve, will be shown in conjunction with examples of Lockheed undercarriages and retracting gear. A new development by the company is a hydraulic brake for reducing the "run-down" time for gas turbines. Boulton Paul Aircraft, Ltd., Wolver- hampton (Stand P), will include on then- stand units of the high-fidelity electro- hydraulic power control system the com- pany have developed. British Messier, Ltd., Cheltenham Road East, Gloucester (Stand 138), will exhibit two large units in the shape of the main bogie undercarriage (less wheels) for a new bomber, and a smaller display for the Bristol 175 airliner. A sectioned model of the Westinghouse Decelostat (in which British Messier have collaborated) will also be shown, together with Perspex dynamic models of the pump, hydraulic motor, and electro-selector of the company's 4.000 lb/sq in hydraulic system. Dowty Equipment, Ltd., Arle Court, Cheltenham (Stand 9), Dowty Equipment of Canada, Ltd. (Stand 8) and Dowty Seals, Ltd. (Stand 7), are jointly to exhibit a representative selection of their manifold interests. The units on show will include nose and main undercarriage items for the Sea Hawk, Meteor N.F. 11 and Canberra
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