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Aviation History
1960
1960 - 0108.PDF
108 FLIGHT, 22 January 1960 INTERIOR INDUSTRY... William Mallinson & Sons Ltd, AircraftDivision, Thames Road, Crayford, Kent, produce robust lightweight meal boxes, forthe storage of trays and tableware, and bar boxes for bottles and cans, in theirMallite EGB4 light alloy/balsa sandwich material which, developed in the first placeas an aircraft flooring material, has an ex- ceptionally high strength/weight ratio.The inner skin of the box is continuous, grooves being pressed into the sheet duringmanufacture to carry meal trays or, in the case of bar boxes, drawer slides. The balsacore of the sandwich provides heat insula- tion. Pantry units, food containers and barboxes in light alloy construction are a speciality of W. Henshall & Sons (Addle-stone) Ltd, Oyster Lane, Byfleet, Surrey. Their equipment has been extensivelyadopted by BE A. In conjunction with the corporation Henshall have designed andbuilt the "Air Fridg," a small compact cooling unit enabling food and drinks tobe served ice-cold. It is the same size as their food and bar-box units, namely,16in x 16in X 21 in, and has a capacity of If cu ft. It is thermostatically con-trolled, operating on a 24V circuit and will operate for 12 hours on one charge of dryice. The Air Fridg can be accommodated in the standard Henshall food-containerstowage, which has been made to Vickers- Armstrongs' design for installation in 800-series Viscounts. This stowage unit can accommodate two food containers, two barboxes or two Air Fridg. Also specially built for the Viscount800, and to the design of yickers-Arm- strongs, is a pantry unit measuring35in wide X 59in high X 9in deep and providing stowage for five beverage con-tainers, four general-purpose drawers and two cup drawers. It is provided with astainless-steel work-top and waste bin, and is fitted with feet and locking devices forattachment to the aircraft seat rails which continue under the bulkhead into thegalley. Specialists in the complete range of air-craft catering equipment are Aerogalley, Gatwick Airport, Horley, Sumy, who offerwhat they believe to be a uniquely compre- hensive service. Apart from the basicstructure, which is the province of the air- craft designer, they will undertake thewhole of the galley and tableware pro- visioning, from their knowledge of what isavailable on the market both as regards complete equipment and materials. Theyare agents for two German firms—Sell, makers of galley structures, removablemeal boxes, and the Juno oven; and Dr Stiebel Werke, makers of hot food andbeverage containers, hot-cups, water heaters, and the CMA-2 fully automaticcoffee maker. The last-named—which is installed, among other aircraft, on HuntingClan's Viscount 800s—has a capacity of 2 litres; equipped with a preheater, it willproduce 80 cups of coffee in 30mm and weighs 23.351b. A 7.5 litre hot-beveragecontainer weighs 8.81b. In tableware, Aerogalley produce a widerange of plastic meal-service trays and dishware, and co-ordinate the supply ofassociated earthenware, glassware, silver- plated and stainless steel cutlery, paperand linen. They themselves emphasize the value of well designed plastics forweight saving—melamine casserole dishes, plates and cups, polystyrene "glassware"and cutlery, and so on. As an example, some typical weights are: cup, 1.2oz; plate(7-jin), 4.5oz; tray, 13.25oz; three-piece cruet, 1.65oz; cutlery set, 0.75oz. For those operators who want somethingmore impressive for first-class services, Aerogalley are having made miniature cut-lery both in stainless steel and in silver plate. Tea pots, coffee pots, etc., in silverplate and stainless steel are made from special lightweight blanks. At the otherend of the scale are paper plates and side dishes which can be disposed of after themeal. Lee Refrigeration Ltd, Bognor Regis,Sussex, have designed dual-purpose refrigerators for Britannia 102 and 312 andComet 4 aircraft, which are in service with BO AC, El Al and Argentine Airlines.With a capacity of 8 cu ft, this equipment is divided into two compartments, the left-hand space providing deep-freeze storage for frozen foods, and the right-hand com-partment providing normal food storage temperatures. The deep-freeze compart-ment can be changed over to normal tem- peratures for the storage of fruit and similarproduce on return flights to Britain. The refrigerator cabinet is 35in high,18in deep and 35in wide, and weighs 183lb complete with power unit. In theBritannia installation the 112V d.c. power unit is fitted remotely, whereas on theComet the 28V d.c. unit is mounted on the side of the cabinet. The refrigerator canalso be supplied for a.c. operation. DOMESTIC PLUMBING TYRINKING and domestic water supplies-"--' in aircraft imply valves to control the flow. Specialists here are the SaundersValve Co Ltd, Blackfriars Street, Hereford; among their aircraft products are a self-closing urn tap for use with beverages, an on-off diaphragm valve for domestic anddrinking water supplies, and a self-closing diaphragm tap for washbasins. The proto- Self-closing diaphragm tap for wash basins, by Saunders Valve Co type of this last valve has been operated amillion times, with plain and excessively chlorinated water, from room temperaturesto 75 °C, without undue wear or dia- phragm deterioration, and was further sub-jected to 160,000 operations with water at 100 °C. Flushing self-contained toilets, de-veloped in the first place to BEA's speci- fication for service in their 800-seriesViscounts, are made by Delaney Gallay Ltd, Vulcan Works, Edgware Road,Cricklewood, London NWZ. Toilets of this type are also installed in the FokkerFriendship, the Argosy and the Herald. Construction is of stainless steel through-out. The pan is sealed off from the fluid container by a trap-door, which opens onlywhen the toilet is flushed. The fluid is recirculating, so that no extra tanks arerequired and no problems of fuselage cor- rosion can arise. For servicing, the entiretoilet is removed from the aircraft and replaced by a fresh one. It weighs only261b. Self-contained flushing toilet unit by Delaney Gallay The special fluid used in the DelaneyGallay equipment is claimed to be highly deodorant, with a powerful sterilizingaction, and to keep the interior of the container clean. It is not affected by highaltitude or high temperatures, and it is harmless to the skin. LIGHTINGINDICATOR ANDSIGNS GREATER economy and reduced main-tenance, as well as more "comfortable" lighting, are promised by the introduction offluorescent lighting into the aircraft cabin. The first British aircraft to be so equippedis the Vickers-Armstrongs Vanguard, and it has been made possible by a transistor-oscillator inverter unit, designed to operate on an input voltage range 22-28V d.c,developed by the General Electric Co Ltd, who also supply the 4ft and 3ft Osramfluorescent tubes used in the Vanguard. Each transistor inverter unit weighs lib.GEC also make control gear for fluores- cent lighting for operation from a 115V400c/s aircraft supply. This weighs only 12oz, but unlike the 28V system, requiresan external ground supply. Other lighting equipment made byGEC includes roof light fittings for use with filament lamps (and the lamps them-selves); reading lamps; and complete pas- senger service panels with lamp, air louvreand steward call button; gangway lights; and illuminated indicator signs ("fastenseat belts—no smoking"); and luminous call systems together with chime units foralerting the stewards. Miniature relays and cables for electrical equipment are alsosupplied by GEC. Filament lamps (Atlas), roof lights, "buf-fet" lights for corner mounting, step lights for passenger access lights, reading lamps,passenger service panels, all for operation from 28V systems, are made by ThornElectrical Industries Ltd, Great Cambridge Road, Enfield. Middlesex. They have also
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