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Aviation History
1936
1936 - 1723.PDF
700 FLIGHT. JUNE 25, 1936. lubricating of aircraft. Members of its technical starl will be in attendance to answer enquiries, and will explain to in terested visitors the advantages of the Clearosol process by which Aero Mobil- oil is refined Refiners: Vacuum Oil Co., Ltd., Caxton House, Westminster, London, S.W.r. Dopes, Paints and Preparations BERGER (Stand 91).—On this stand will be found an exhibit of fabric, madapollam-covered plywood, aluminium and " Dural " panels, demonstrating many and varied types of finishes with dopes, cellulose enamels, and " Kemi- tone " synthetic enamels, together with panels showing seaplane varnish. Berger aircraft finishes will be further displayed on a fin, a rudder, aluminium wheel spats, and on two radiator cowlings. Other exhibits will be " Matroil " oil- bound washable water paint, Ace syn thetic Pompeian enamel paint, Pompeian semi-lustre eggshell-gloss finish, Promeum rust inhibitor, primer and finishing paint, and finishes suitable for aeroplane works and hangars. Makers: Lewis Berger and Sons, Ltd., Homerton, London, E.g. CELLON (Stand 76).—A range of fabric-covered frames, etc., will show results obtainable with approved Cellon doping schemes, including Scheme CX2, the materials under which are specially approved as being suitable for application under adverse weather con ditions; Cellon anti-drag finishes under Scheme CZ; sundries, including Cellon dopeprbof tape. Other exhibits will in clude specimens of various finishes for plywood-covered units (embodying special adhesives for fixing madapollam or other fabric covering), fillers, finishes, etc. With regard to finishes for metal, Cellon will exhibit specimens of alloys treated with '' Cerrex '' chromate under coats and temporary protectives, to gether with parts finished in " Cerric " cellulose lacquers (DTD 63) and " Cer- rux " synthetic lacquers and varnishes (DTD 260). Metal parts treated with cellulose protective coatings in non- polishing matt finishes will be shown, to gether with special parts treated with clear internal lacquer conforming to 4.X.2, stoving enamel 56A, and syn thetic varnishes DTD 62. A special feature will be made of the finishing of the latest types oi flush riveted com ponents, loaned by the leading aircraft constructors. Lastly, there will be samples of " Cerrux " finish for aero drome buildings. Makers: Cellon, Ltd., Kingston-on-Thames. JOHN HALL (Stand 20).—On this stand will be shown a wide range of finishes. It will include finishes on plywood carried out in " Procelloid " cellulose lacquers and in " Vestola " syn thetic enamels, while a series of cadmium tubes will demonstrate the wide variety ot processes available in John Hall and Sons' products and how the particular convenience of any individual manufac turer can be met. " Diamond " dopes, fcr use on fabric surfaces, will be shown on three panels, one demonstrating an approved Air Ministry scheme for service aircraft, another a super-finish scheme for civil aircraft, and another a special clear-dope scheme for ultra-light aircraft. There will be an exhibit in sectional form showing Hall's process for the pro tection and finishing of duralumin floats A cylinder casting in Hiduminium R.R. 53 alloy to specification DTD 131 A, by High Duty Alloys, Ltd. or seaplane hulls as follows : First coat, yellow oil undercoating ; second coat, white cellulose undercoating ; 3rd coat, aluminium to spec. DTD63/V.84, with added gums. Lastly, components will show finishes in " Special Engine Pro celloid " cellulose lacquers, and in engine stoving enamels. Hall's finishes may also be seen on the Bristol engine stand. " Murac," the new flat finish for interior decoration, will be used to finish the stand itself. Makers : John Hall and Sons (Bristol and London), Ltd., Bristol. For Adverse Conditions NOBEL CHEMICAL FINISHES (Stand 39).—Dopings suitable for use under approved doping-room conditions and adverse doping conditions will be shown on the stand of Nobel Chemical Finishes, Ltd., a company associated with Im perial Chemical Industries, Ltd. There will also be shown cellulose and synthetic coloured finishes for application to fabric, plywood, and fabric-covered ply; Nobel synthetic air drying and stoving enamels (conforming to Specifications DTD 62A and DTD 56A respectively) for use upon aluminium, duralumin and steel, and cellulose finishes conforming to Specifica tion DTD 63. Makers; Nobel Chemical Finishes, Ltd., Slough, Bucks. LLEWELLYN RYLAND (Stand 84). —This exhibit will include parts of fuselages and wing frames finished with the firm's products, and panels showing the various schemes to DTD Specifica tions 62A, 63, 235, and 260. The piece de resistance will be a panel from the hull of a Singapore Rangoon, showing the condition of the duralumin after 6| years in service. The panel will illustrate " Duralac " jointing compound and " Ryland " enamel finish to Specifica tion 62A. The metal is in almost per fect condition after this long period. Other exhibits will illustrate materials covered by the following: Oil- and petrol- resisting battleship grey paint, white dope-resisting paint, varnishes for in ternal and external woodwork, under coating grey paint, seaplane varnish and enamel, acid-resisting paint, stoving black enamel, " Zilak " cellulose enamel, " Ardak " synthetic enamels, engine enamels, and identification colours for aluminium alloys. Makers; Llewellyn Ryland, Ltd., Balsall Heath Works, Bir mingham, 12. TITANINE (Stand 61).—This old- established firm shows its products applied to wooden and metal skeleton parts and fabric and plywood-covered surfaces in the form of components lent by aircraft constructors. The examples show Titanine doping schemes T.2.S and T.5.S in silver and " Nivo " (night fly ing), as used on Service aircraft, Titanine " satin finish " in silver and colours, and wood and metal protection schemes in cellulose and synthetic finishes. Included is a collection of photographs showing the latest machines produced by some sixteen well-known British constructors who use Titanine. Besides many of the Service types, there are included the leading civil aircraft, and it is in con nection with the latter it is the makers' claim that Titanine finishes are used on the machines operated by every regular air transport company in Great Britain and Northern Ireland. Makers: Titanine, Ltd., Colindale, London, N.W.9. Metals and Castings A CCLES AND POLLOCK (Stand 05). •"• —These old - established tubing specialists will display typical examples of their products, which include steel tubing in round, streamline, oval, square and special sections. Makers: Accles and Pollock, Ltd., Oldbury, Birming ham. BIRMINGHAM ALUMINIUM (Stand 57)-—The exhibits on this stand will include aluminium alloy sand cast ings both in the '' as cast'' condi tion and heat-treated, in numerous alloys to Air Ministry specifications. Parts shown are foi crank cases, cylinder heads, induction rings and other engine and aircraft components. There will be aluminium alloy die castings for various small fittings such as cable clamps, etc., and lastly, Elektron sand castings both '' as cast'' and heat- treated. The latter type have only been offered during the past year and give much improved physical properties to the Elektron magnesium alloys. The castings exhibited will be numerous and will include crankcases and oil sumps, timing covers, induction manifolds, filter casings and covers, pressure and suction pump housings, induction rings, carburetter bodies, tail skids, engine bearers, brake anchor plates and brake shoes, etc.. as made for a large number of prominent firms. Makers: The Birming ham Aluminium Casting (1903) Co., Ltd., Birmid Works, Smethwick, Birm ingham. JAMES BOOTH (Stand 51).—This exhibit will consist of an extensive range of wrought non-ferrous alloy products. Primarily there is Duralumin, which is now so well known as to require no description. In its aluminium-coated form, " Aldural," it has an exceptionally high resistance to corrosion by sea-water. The new magnesium-aluminium Alloys "M.G.7," and "D.2," will also be displayed. These alloys, which are not heat treatable, have a very high resist ance to corrosion by sea-water; "M.G.7" having a strength comparable with Duralumin, while " D.2, " which which has a stiffness and strength much higher than that of pure aluminium, is particularly suitable for deep pressings and sheet metal work, on account of its high ductility. Elektron, the strong magnesium base alloy, which is 40 per cent, lighter than aluminium, will be
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