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L.56 Aluminium-2 per cent mag- D.T.D. 310C ncsium alloy tubes (soft) L.57 Aluminium-coppcr-magne- D.T.D. 327 sium alloy wires for rivets Copies of the following Specifications may be obtained from the BRITISH STANDARDS L.58 Aluminium-5 per cent mag- D.T.D. 303 INSTITUTION, Sales Department, 24 Victoria Street, London, S.W.I, at the prices indicated nesium alloy wires for rivets L.59 Aluminium-manganese alloy D.T.D. 213A sheets and strips (three-quar ter hard) B.S. 1706:1951.—Electroplated Coatings of Cadmium material, dimensions and finish of rubber grommcts and Zinc onh on and Steel. for use in aircraft. L.60 Aluminium-manganese alloy D.T.D. 653 Price Is. post free. In the scries of British Standards which is being sheets and strips (one-quarter prepared covering electroplated coatings, the British hard) SP. 28, 29, 30.—Solid Taper Pins for Aeronautical Standards Institution has just published this docu Purposes. SP. 31, 32.—Split Taper Pins for Aeio- L.61 Aluminium-manganese alloy — ment dealing specifically with protective coatings on nautical Purposes: sheets and strips (soft) electroplated articles. It docs not cover coatings on These standards specify the materials, dimensions The price of L.100 is 7s. 6d., and the individual sheet, strip or wire. and finish of high tensile steel, stainless steel and, in material specifications is. each, post free. The foreword points out that cadmium and zinc each the case of solid pins, aluminium alloy taper pins. have specialized fields of service, and, therefore, the B.S. 1083: 1951.—Precision Hexagon Bolts, Screws, Price I s. each, post free. metal and class of coating should be chosen to suit Nuts (B.S.W. and B.S.F. Threads) and Plain Washers. B.S. L.100: 1951.—Inspection and Testing Procedure the intended purpose. The present edition of B.S. 1083 confirms as a for Aluminium and Aluminium Alloys for Aircraft and The committee preparing the standard realized that regular British Standard the war emergency Standard Related Material Specifications. it was impossible at present to specify completely which was issued in 1942 at the request of the Ministry The procedure set out in this standard is for use in every factor afTccting the performance of an electro of Supply in place of B.S. 191 and B.S. 193. conjunction with relevant specifications in the 'L' plated coating, but in view of the urgent demand for At the end of the war, the question of the most series of British Standards for aircraft materials. The some basis of comparison for such coatings the suitable post-war British Standard for bright bolts procedure is also applicable to other aluminium and standard is being published in its present form for the and nuts was discussed and, after consultation with a aluminium alloy'products for aircraft, where appro assistance of manufacturers and purchasers. wide field of user interests, it was agreed that B.S. priate, such as those in the Ministry of Supply D.T.D. The British Standard covers the essential qualities 1083 should be re-issued. scries. The following new British Standards related of the coatings in question, stipulating limits for the In preparing the new edition the opportunity has to L.100 are also available: purity of the coating, the finish and appearance of the been taken to introduce certain amendments. The plated surface, the thickness and adhesion, together B.S. No. Title Replacing basic dimensions remain unchanged, and the amend with appendices giving the methods of test. A section 3 L.16 99 percent aluminium sheets 2L.16 ments are concerned principally with a clarification of is also included dealing with the passivation of zinc certain of the former requirements and the inclusion ' (half hard) coatings. of additional requirements to improve the general 3 L.17 99 percent aluminium sheets 2 L.I7 quality of the bolts and nuts. Price 2s. 6d. post free. (soft) 5 L.25 Aluminium-coppcr-nickel- 4 L.25 The term 'precision bolts' is now used to designate B.S. A.55 and A.56: \95\.—Giuh Screws for Aero magnesium alloy forgings the type of bolts, together with the corresponding nautical Purposes. 2 L.34 99 per cent aluminium bars L.34 screws and nuts, which are manufactured to pre These standards cover the material, dimensions and and sections scribed mechanical properties and to tolerances re finish of grub screws in free-cutting and in stainless 2 L.36 99 per cent aluminium wires L.36 quired for use in engineering work where a good steel. and tubes for rivets standard of dimensional accuracy and performance Price 1A. each, post free. is required. 3 L.37 Aluminium-coppcr-magne- 2 L.37 B.S. F.61: 1951.—Vulcanized Rubber Sheet for Air sium-silicon-manganesc alloy The Standard relates to ferrous and non-ferrous craft. wires and tubes for rivets bolts, screws and nuts, and to split cotter pins and This specification covers the requirements for vul 3 L.42 Aluminium-coppcr-magne- 2 L.42 washers for use with them, and in the case of steel canized rubber sheet for use as one of the layers in sium-iron-nickcl alloy refers to the appropriate qualities in various grades up self-scaling tank coverings for aircraft. It replaces forgings to 85 tons tensile, as specified in B.S. 970, and gives Ministry of Supply aircraft material specification the detailed dimensions for bolts, screws, nuts, lock 2 L.44 Aluminium-2 per cent mag- L.44 D.T.D. 446. nuts, castle nuts, split pins and washers for all regular mesium alloy bars and ex Price \s. post free. nominal sizes from 1 in. to 2 in. truded sections B.S. SP. 40: 1951.—Rubbei Giommets for Aeio- L.54 99 per cent aluminium tubes 4 T.9 Stock sizes of steel bolts and screws and a code of nautical Purposes. L.55 Aluminium-2 per cent mag- D.T.D. 440 Part Numbers are given in the appendices. This Standard covers the requirements relating to ncsium alloy tubes (half hard) Price 4s. post free. Schedule of Small Tools and Accessoi ies for Machine 'Besco' Pocket Manual for those engaged in Sheet TRADE PUBLICATIONS RECEIVED and Workshop Metal Working [Burton, Griffiths & Co. Ltd., Marston Green, [F. J. Edwards Ltd., 359-361 Euston Road, 'Diprofir Hand Filing Machine Birmingham] N.W.I. 3i\] [Brooks & Walker Ltd., 41 Dockhcad, S.E.I] Easy Lifting the Maglan Way Guide to Threading Dies Moisture. Lectrodiyer Publication. No. 80 [W. Langlcy & Co. Ltd., 14-16 Magdalen Street, [W. H. A. Robertson & Co. Ltd., Lynton Works, Laboiatory Lectrodryeis. Leclrodryer Publication S.E.I] Bedford] No. 49 Air Separation Plants for Oxygen, Nitrogen and the The Acru Wood-Engi aver [Birlce Ltd., Tyburn Road, Erdington, Birmingham [The Acru Electric Tool Mfg. Co. Ltd., 123 Hyde Rare Gases 24] Road, Ardwick, Manchester, 12] [Petrocarbon Ltd., 44a Dover Street, W.l] Porus-Kiome. Good for the Life of Your Engines Aero Researeh Technical Notes The Book ofKlinger Jointings Industrial Company Ario-Dicpen Ltd. Bulletin No. 100. Metal Adhesive Processes. [Richard Klinger Ltd., Klingcrit Works, Sidcup, [Avio-Diepcn N.V., Vlicgvcld Ypenburg, Rijswijk, Bulletin No. 101. The Gluing of Floor Panels and Kent] The Hague, Holland] Wood Veneers. "Maries' H.S.S. Squate Push Biooches Bulletin No. 102. Effect of Dimensional Changes in Annual Report, Jan.-Dec. 1950 [W. H. Marley & Co. Ltd., 105 High Road, N.l 1 ] Wood on Strength of Glued Joints. [Timber Development Association Ltd., 21 College [Aero Researeh Ltd., Duxford, Cambridge] Three-Phase Balanced Load General Purpose Spot Hill, E.C.4] Welding Machine Crypton Two Rate Charges for Electric Trucks The Ball Beating Journal, No. 4, 1950 'Series' Multiple Crosswue Welding Machine [Crypton Equipment Ltd., 1 Victoria Street, S.W.I] [The Skefko Ball Bearing Co. Ltd., Luton, Beds] Universal Seam Welding Machine, Type S.A.T. 75 High-Nickel Alloys for Heat-Resisting Equipment 'Marlco' Two-speed Pi ess for Broaching Fully Automatic Flash Welding Machine [Henry Wiggin & Co. Ltd., Wiggin Street, Birm [W. H. Marlcy & Co. Ltd., 105 High Road, N.ll] Universal Seam Welding Machine, Type R.A.M.L. 150 ingham, 16] Awes Wire Data Air-Operaied Spot Welding Machine [Aluminium Wire & Cable Co. Ltd., Port Tcnnant, Export Catalogue. English-French-Spanish Bench Type Air-Operated Spot Welding and Hot- Swansea] [The Gauge and Tool Makers Association, 2-5 Old David Brown-Muir NT-V Spline Hobbing Machine Bond Street, W.l] Riveting Machine [David Brown Machine Tools Ltd., Britannia [Sciaky Electric Welding Machines Ltd., Farnham The Story of the British GasTurbinc: A Festival Survey Works, Sherborne Street, Manchester, 3] [Sidney-Burton Ltd., 27 Old Bond Street, W.l] Road, Slough, Bucks.] Leonides Hydra Steels Milling Cutters, Reamers, Ground Thread Taps [Alvis Ltd., Holyhead Road, Coventry] [Hall & Pickles Ltd., Hydra Steel Works, Sheffield] [Aldridgc Tool & Engineering Co. Ltd., Aldridge, In Business Too . . . Accounting Without Time Lag near Walsall, Staffs.] The Dcrota Flexible Shaft Workshop Unit [The British Tabulating Machine Co. Ltd., 17 Park [Brooks & Walker Ltd., 41 Dockhcad, S.E.I] Rolls-Royce Bulletin 1951 Lane, W.l] Aero Jablex [Rolls-Royce Ltd., Derby] [Moulded Components (Jablo) Ltd., Mill Lane, The Wickttian Mobile Demonstration Unit Duostat Autopositive Document Paper Waddon, Croydon, Surrey] [Wickman Ltd., Tile Hill, Coventry] Fourteenth Annual Report [Photostat Ltd., Adelaide House, London Bridge. Schedule of Machine Tools [Air Registration Board, Brettcnham House, E.C.4] Strand, W.C.2] 350 Aircraft Engineering
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Nov 1, 1951
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