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Aviation History
1952
1952 - 0552.PDF
254 FLIGHT, 29 February 1952 THE INDUSTRY The new administration block at the Bowthorpe-Hellerman factory at Crawley, Sussex. SB &f • «0SEa VMS J^R.f IBl If? l- Ml SMALL PARTS in a BIG WAY RECORDING the successful growth of a comparatively young company is always a pleasant task; this we felt to be particu larly true when, last week, we attended the official opening of the Bowthorpe-Hellermann administration building at Crawley, Sussex. Bowthorpe Holdings, Ltd., embraces Bowthorpe Electric Co., Ltd.; Bowthorpe Engineering Co., Ltd., and Hellermann Electric Ltd. While the two first-named are chiefly concerned with the manufacture of overhead electric-cable fittings and moulds for plastic products, Hellermann Elearic are the manufacturers of innumerable small items for the aircraft industry and other manu facturers; in particular, they claim to be the largest single suppliers of cable sleeves and flag markers. The Twinlay cable marker—a printed P.V.C. sleeve protected by a transparent plastic film—is proving especially popular. Helvin, a special form of P.V.C., is also being used to make a wide range of articles—cable grummets, flexible reflectors, etc.— by injection moulding, low-pressure moulding, dipping and spraying. This material is resistant to most airborne fluids and can be supplied for use at various temperatures from —40 to 100 deg C. The new building, which houses the Bowthorpe-Hellermann administrative staff, was formally opened last week by Mr. W. Puckey, Deputy Controller of Supplies, (Air), M.o.S.; in perform ing the ceremony, Mr. Puckey stated that nearly every British aircraft counted items of the company's manufacture among its equipment. The company was founded in 1937 "in a small back yard," as Mr. Puckey put it, since which time it has grown "faster than the P.1067." The entire establishment at Crawley—adjacent to Gatwick Airport—is characterized by a combination of cleanli ness and completeness of equipment rarely found this side of the Atlantic. The plastic glands of a Hellerman pressure-sealing cable bung. The cables are gripped in the holes, and extra cables can be inserted by punching-through holes already partly formed; the gland thus remains airtight no matter whether the full number of cables is fitted or not. Storing Petroleum "Storage of Petroleum Spirit," by H. E. Watts, M.B.E., G.M., B.Sc, Ph.D., F.R.J.C. Charles Griffin and Co., Ltd., 42, Drury Lane, London, W.C.2. Price 285. THOUGH primarily intended for the guidance of local authori ties, this very comprehensive work on the legal and practical aspects of petroleum-spirit storage will unquestionably be of value to any firm (such as one concerned with aircraft manufacture and operation) whose work involves the use of petroleum spirit. The book is the first of three by the same author, who is H.M. Chief Inspector of Explosives; the remaining two are to deal, respec tively, with Storage of Petroleum Mixtures, Calcium Carbide and Acetylene and Storage of Explosives. Mobile Lifting This new "Staffa" 2/3-ton mobile crone should be particularly useful for airfield and factory duties. Power for travelling and hoisting is provided by a 15 b.h.p. Newage- Austin four-cylinder petrol engine, and the jib is luffed hydraulically. Chamberlain Industries, Ltd., Staffa Road, London £.10, are the makers. Mr. George Thornton-Norris Well known to many customers of the aircraft division of the Lock heed Hydraulic Brake Co., where he was a sales engineer for ten years, Mr. George Thornton- Norris died suddenly on Thursday, February 14th., at the early age of SS. Mr. Thornton-Norris, who served as an R.F.C. pilot in the First World War, leaves a widow and an eight-year-old son. Test-chamber Fire-protection FROM the Pyrene Co., Ltd., come details of the special fire-protection equipment supplied by them for the big high- altitude test-chamber at the Weybridge works of Vickers-Arm-strongs, Ltd. A concentration of 5,600 lb of C0 2 gas is required to protect the chamber and the methanol cellar immediately below. To achieve this a battery of seventy 80-lb cylinders has been provided, which, in conjunction with a suitable distribution system, discharges gas into both these sections simultaneously in the event of fire in either section. The installation is operated by manual pull-handles from the control room at first-floor level or from the cylinder position at ground level. A switch interlocked with the CO2 discharge mechanism ensures that the chamber extractor fan and pump motors are automatically shut down if the fire system is operated. Co2? incidentally, is non-toxic to personnel, and non-injurious to delicate mechanisms.
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