New Equipment, Supplies and Publications
Page 62
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Testing Oil Engines
EEQUIP,MENT for testing oil-engine injectors and pumps while in position on the engine has been introduced by Dunedin Engineering Co., Ltd., 51 Beauchamp Place, London, S.W.3. By the use of this instrument, it is possible to check the maximum pressure in the fuel pipe line under operating conditions and the atomizing characteristics and release pressure of the injectors, without the need for dismantling any part of the engine.
Known as the Injectester, it is supplied with coupling nuts and pipes to fit 12-mm. and 14-mm. fuel-pump connections. Other adaptors available as extras are: 18 mm. and 22 mm. by
1.5 pitch; in., f in. and in. B.S.P.: 19zin. B.S.F. and in. S.A.E.
The complete kit, which weighs 16 lb., costs £48.
New One-piece shutters A NEW type of roller shutter door for garages has been produced by Golmet, Ltd., Virginia Park, Caerphilly. If is made of single sheets and the spring-loaded curtain runs in steel channels on nylon washers.
It is made in two standard sizes7 ft. wide by 6 ft. 8 in, high retailing at f17 10s., and 8 ft, wide and 6 ft. 8 in. high retailing at £18. A number of export orders has been received and delivery to the home market has been postponed.
Putting Out Swarf Fires ANEW fire extinguisher has been produced by the Pyrene Co., Ltd., 9 Grosvenor Gardens, London, S.W.1, to meet problems associated with fire involving metals such as sodium and calcium, or magnesium and aluminium, in the form of powder or swarf.
It is charged with 25 lb. of dry chemical powder which is discharged under pressure provided by a cartridge of carbon dioxide. The applicator ensures that the powder is delivered lightly on the fire to prevent the danger of scattering.
Uplift for Vans A N unusual application for a vehicle
lift has been adopted by Robinsons, Ltd., at their Manchester furniture depository. William Wadsworth, Ltd., Bolton, who make vehicle lifts, installed one of their units so that pantechnicons can be lifted, complete with load, to upper floors of the depository.
By this means the van can be unloaded much more quickly than when each piece of furniture has'to be manhandled to the correct floor. The possibility of damage is also reduced.
Wadsworth vehicle lifts have also been successfully applied in solving the garage problem of R. S. Pearce and n/8
Co., Ltd., Birmingham. By adopting a system of vertical parking, this company can accommodate 250 vehicles on five floors which have plan dimensions of about 31 yd. by 25 yd. It is possible with this systeni to move vehicles in or out at the reception point at the rate of one every 30 scc. The cost is approximately £200 per vehicle space.
G.E.C. Cab Fan AN entry into the vehicle accessory market by the Genera! Electric Co., Ltd., Magnet House, Kingsway, London, W.C.2, is represented by the company's new fan, with 6-in.-diameter rubber blades, suitable for installation in cabs of vehicles used in hot climates. It is rated at 14w. and can operate on 6v., 12v. or 24v. current. Direction of air flow can be adjusted by' means of a ball and knuckle joint.
Holder for Dockets A SPRING-LOADED holder which PA can be fixed to the interior of a vehicle for securing log sheets, delivery dockets and so on, has been produced by Messrs. J. H. Goodman, Reliance Works, Bioxwich, Staffs. Chromium plated, the holder may be secured in any convenient position by means of foul screws. It costs 6s.
"Gear Hobbing and Shaving", IN the world of gear cutting and finish1 ing there are few names better known than that of David Brown and Sons (Huddersfield), Ltd. A parent company is responsible for the production of the
precision machine tools used in the making of David Brown gears.
Similar machines are solcl'throughout the world and to assist operators in their correct use the David Brown concern recently released a book entitled "Gear Hobbing and Shaving," by A. Sykes, technical director of the David Brown general gear division. The book is divided into two parts, the first dealing with the hobbing process and the second with gear shaving. All aspects of these two processes are dealt with in great detail, the text being accompanied by excellent photographic and line illustration.
Copies of the book can be obtained from David Brown Publicity Services, Witham, Huddersfield, price 25s.
Motor Vehicle Technology AUSEFUL insight into the fundamental principles of automobile engineering is given by the third edition of " Motor Vehicle Technology, Part I," which was recently published by Sir Isaac Pitman and Sons, Ltd., at8s. 6d. net. It was compiled by R. W. Bent, M.I.Mech.E., A.M.I.M.I.
Written specially for students preparing for the examinations of the City and Guilds of London Institute (Motor Vehicle Service Mechanics), the Union of Lancashire and Cheshire Institutes, the East Midland Educational Union, the Union of Educational Institutions and the Institute of the Motor Industry. the work sets out its explanations in a clear and concise manner backed up by numerous illustrations. .
• Additions are a section on the twostroke cycle and another on battery maintenance.
Soldering Technique TO those whose daily work includes the use of solder for making joints, a book published by the Tin Research Institute, Fraser Road, Greenford, Middx, is to be recommended. Although the soldering of metal is basically simple, there is much to learn about the treatment of different metals and the properties of various solders and soldered joints. Much valuable information is also given on the composition and correct use of various fluxes. Copies of the book are available free from the Institute.