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Aviation History
1960
1960 - 2324.PDF
620 FLIGHT, 14 October I960 THE INDUSTRY Obviating Fire Risks A CHEMICAL hydrate emulsion called Slix, developed by the **• research group of the Penetone Co in the USA and now manufactured and marketed in the UK by Penetone-Paripan Ltd, Box No 10, Egham, Surrey, was demonstrated recently at London Airport before representatives of the MoA Fire Services and the Fire Research Division of the DSIR. A Slix/waier solution in 30/50 per cent proportion was used for removal from a concrete apron ©f spills of light- and heavy-bodied oils (lubricating and Bunker C) and aviation petrol. The solution was sprayed on to the spills and allowed to remain for several minutes before being washed away with water, no traces of the spills remaining. A Ain thick accumulation of old oil and dirt on the concrete was also treated with Slix, which penetrated the deposit, so that after 20min this was removed with water and scrubbing. Two tests were carried out to demonstrate the safety and fire- fighting properties of Slix. The first showed fire control on solid surfaces, burning petrol failing to ignite where it was treated by Slix. The second test demonstrated the smothering action of a Slix solution when applied to a burning petrol film on water. Automatic mains failure equipment on a standby set for one of th* main radar heads at London Airport. This 65kVA unit, operated by t/;<> Air Ministry, is driven by a PDV8 air-cooled diesel engine manufac- tured by Fetters Ltd, a member of the Hawker Siddeley Group. Th s engine is fitted with a low-temperature automatic starting system , y developed by Start Pilot Ltd Water Outlet Heater A HEATED waste-water outlet suitable for Britannia aircrafthas been developed by Tiltman Langley Ltd, Redhill, Surrey, in conjunction with BOAC. Its purpose is to prevent waste wate<- from the toilet basin freezing whilst being ejected into the outside atmosphere. The outlet consists of a streamlined Ftainless-steel casing into which is fitted a fin diameter stainless-steel pipe on which there are suitable heating elements. The unit projects beyond the air- craft fuselage and the pipe is internally connected to the waste system by a silicone rubber hose connection. The heating unit consists of two separate elements each rated at 28V 90/100W, so that they can be linked to a 28V or 112V supply by connecting the elements in series with a second outlet. One problem with such outlets, that of preventing serious overheating when they are left switched on whilst the aircraft is on the ground, has been overcome by the Tiltman Langley design of a heater incorporating a special element which ensures that as the temperature increases the watts applied decrease. A reduction of 50 per cent of heat applied can be achieved, this in turn keeping the maximum temperature within the safe limits of glass tape and silicone varnish used as electrical insulation. An Amphenol-Borg Ltd 48 Series connector, one of a new range of miniature multi-contact connectors made to the rigorous requirements of Mil-C. 26500. Intended for continuous working at 200°C and fully sealed, they are made in six shell sizes with ten contact combinations IN BRIEF Mr George A. Smith has been appointed commercial executive ofthe electronic and equipment group of the Plessey Co Ltd. The chemicals sales office of Armour Hess Chemicals Ltd will fromOctober 24 be at 6 Arlington Street, St James's, London SW1. The new telephone number is HYDe Park 7831. The Plessey Co Ltd recently announced the resignation of Mr E. J.Earnshaw from the board of the parent company and also from his membership of boards of other companies within the group. Mr F. S. Barton, CBE, BSC, MA, MIEE, Finsrp, FinstRE (USA), has beenappointed a director of Milliard Equipment Ltd. Since 1955 he has been CounseUor, Defence Research and Supply, with the UK HighCommission in Ottawa. Mr P. Blandford, MA, BEng, AFRAes, AMiMechE, recently becamemanager, technical sales, at Ferodo Ltd. He heads a dapartment hand- ling the company's technical liaison with the technical and design staffsof its major customers at home and abroad. Mr Peter B. Hamilton has been appointed personal assistant, toMr Charles W. Hayward, chairman of the Firth Cleveland Group. Mr Hamilton was previously with the Solartron Electronic Group Ltd,where he was sales manager of the Products Sales Division (Farnborough). Increased production from the new CIBA (A.R.L.) epoxy resin factoryhas led to substantial reductions in the prices of Araldite epoxy resin, with effect from October 1. At the same time, a new nomenclaturesystem has been introduced to simplify identification of the various resins and adhesives in the Araldite range. Full details are availablefrom the manufacturers, CIBA (A.R.L.) Ltd, Duxford, Cambs. Aveley Electric Ltd, Ayron Road, Aveley Industrial Estate, SouthOckendon, Essex, have recently been appointed sole UK agents for Stoddart Aircraft Radio Co Inc. The main range of Stoddart equip-ment comprises six types of instruments covering the frequency range from 30c/s to 10.7kc/s. Applications are wids, including interferencemeasurement and location, frequency conservation and allocation studies, field intensity surveys and RF energy surveillance and monitoring. The equipment is said to be ideal for the verification of electronic com-patibility of missile firing and guidance systems, computer telemetering and communications systems. Mr P. A. M. Curry, MA, BSC, MBA (Harvard), has been appointeddeputy to Mr H. St A. Malleson, head of the Government and Industrial Valve Division of Mullard Ltd. A new technical manual now available from Simmonds AerocessoriesLtd, Treforest, Glam, a member of the Firth Cleveland Group, lists the company's comprehensive range of Nyloc and Pinnacle self-lockingnuts and contains illustrated introductory features. Two recent publications, Some Applications of "Nimocast" Heat-resisting Alloys and Developments in Nimonic Heat-resisting Sheet Alloys, are available from the Publicity Department, Henry Wigginand Co Ltd, Thames House, Millbank, London SW1. Blackburn Electronics Ltd, Brough, Yorks, have announced an agree-ment with the Clary Corporation of the USA for the marketing in Great Britain of the Clary range of printers and arithmetic centres.This range includes both parallel and serial entry printers, with or without arithmetic units, capable of addition, subtraction and totalizing. Bristol Aerojet Ltd, Banwell, Som, and Permali Ltd, Gloucester,have signed an agreement whereby the two companies will collaborate in the manufacture and sale of specialized tubular components. Thisagreement covers tubular structures of helically wound glass-fibre rovings bonded with synthetic resin. Manufacture will be undertakenby Bristol Aerojet and selling by Permali. Design and development will be a joint responsibility. An agreement has been reached between Ericsson Telephones Ltdand the Bendix Corporation located in the US to form a jointly owned company in England to manufacture and market a wide range of high-precision instruments and electronic devices, principally for industrial and scientific requirements. The new company, Bendix EricssonUK Ltd, is to be located in Nottingham and will acquire the Instrument Division of Ericsson Telephones Ltd to serve as a nucleus for futureactivities.
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