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Aviation History
1940
1940 - 2124.PDF
n 78 JULY 25, 1940 THE INDUSTRY For the Duration. NEWS has been received from Capt.G. P. Roberts, R.A.O.C, Chief Engineer of Bendix Limited, that he is well, but a prisoner of war. He sends his sincere greetings to all his friends in the trade. Fifty Years' Service OEPRESENTATIVES of every Depart- -tv ment of Thos. Firth and John Brown Limited, and its associate, Firth- Vickers Stainless Steels Limited, werp present on July 8, 1940, in the Board Room at Atlas Works, Sheffield, to pre- sent to Mr. Edward Dixon his portrait in oils, on his completion of fifty years' service with the company. The portrait had been painted by Captain Oswald Birley, the celebrated artist. • Mr. A. J. Grant, managing director, who presided, referred to Mr. Dixon's work in organising trade associations, '' A great portion of the success of this firm has been due to Mr. Dixon's wise policy and his strong belief in co-opera- tion with his competitors," said Mr. Grant. "Pie has been chairman of the Federated Forge-Masters since 1922, and even in the days when a great many of the sections of the trade were cutting each other's throats and running at a loss, that important section of our indus- try was always prosperous. Mr. John Smith, making the presenta- tion of the portrait on behalf of the Staff Society, said that 937 members of the society had subscribed to the fund. These subscribers included representa- tives of the company in all parts of the world. Mr. Dixon was also presented with a long-service certificate. Altogether 1,210 of these long-service certificates have been presented to employees of Thos. Firth and John Brown, Ltd., represent- ing in the aggregate 44,140 years of service. Small Direct-cranking Starter TO provide starting means for aircraftengines rated up to 100 h.p., Eclipse Aviation announces release of the new type 635 direct-cranking electric starters, for export sale. Designed and developed primarily to meet the requirements of the private owner pilot, these units provide prompt and efficient engine starting without need for external assistance. Similar in con- struction to the conventional type of Eclipse direct-cranking starter, these units incorporate an integral torque over- load release with automatic engaging and disengaging device, thereby avoiding possible damage to starter or engine in the event of engine backfire. Of improved design and ruggedly constructed throughout, these light Mr. Edward Dixon. weight, low cost starting units provide high speed, continuous engine cranking with complete automatic control. The starters, which are available with a 5in. SAE mounting flange and 12-tooth driv- ing jaw, are designed for 12-volt, one wire, grounded operation. A heavy duty switch of the foot type may be fur- nished separately for control of the starter motor circuit. A standard Eclipse 15-volt, 15-ampere generator with 2-unit control box is recommended for use in conjunction with type 635 starter installations for battery charging. The type 635 starters incorporate a multiple disc clutch under adjustable spring tension which is normally set at ioolb.-ft. When used in conjunction with a 12-volt battery system and oper- ating against a torque of approximately 3olb.-ft., the current draw is approxi- mately 255 amperes at 8.1 volt, and the cranking speed 215 r.p.m. When oper- ated under the above conditions in con- junction with a TS-7 or a TS-13 Exide battery the approximate number of starts respectively before the battery requires recharging is 32 for the larger battery and eight for the small. The weight of the starter is approximately 17Jib., and the weight of the heavy duty foot switch approximately Jib. Optical Circular Table "THE Newall Engineering Co., Ltd., of J- Peterborough, had decided, before the outbreak of war, to manufacture an optical circular table similar and equal to the German type produced by the Carl Zeiss Co. Hostilities forced their hand, and production has > been speeded-up. E. R. Watts and Son, Ltd., 123, Camberwell Road, London, S.E.5, have been responsible for the optical side of the equipment. Indexing is obtained from a precise glass scale mounted on the rotating portion of the table. The scale is viewed through an eye-piece situated at the front, (Left) The Eclipse direct-crank- ing electric starter. (Right) Optical circular table produced by the Newall En- gineering Co. and in the image seen by the oper- ator each graduation, approximately Tjin. apart, represents 30 seconds of arc.A reading accuracy of one-fifth of that amount is possible to the operator. The table is extremely accurate and yet, at the same time, sufficiently rugged to withstand continuous heavy work. It is shown to considerable advantage in jig boring, where numbers of holes have to be bored in exact relative location ol polar co-ordinates or radial centre dis- tances and angles. All optical parts are entirely enclosed in order that cutting lubricant or chips cannot penetrate and cause damage. A further use for a table of this standard of accuracy is in the inspection depart- ment for checking purposes. Production of the table is in the hands of Optical Measuring Tools, Ltd., Mon- trose Avenue, Trading Estate, Slough, Bucks, which is a subsidiary concern of the Newall Engineering Co., Ltd. De- liveries will begin in September this year. The sole selling agents are E. H. Jones (Machine Tools), Ltd., Edgware Road, The Hyde, London, N.W.9. " Aluminium Technique " '"THE eighth of the "Aluminium Tech- •*- nique '' series of booklets issued by Aluminium Union Limited, is now avail- able, and is devoted to the effect of sodium in aluminium-silicon alloys. As is usual, the subject is dealt with in con- siderable detail, the booklet being illus- trated with graphs and micro-photo- graphs. Those interested may obtain copies from Aluminium Union Limited, The Adelphi, Strand, London, W.C.2. Napier Appointment T\TR- W. P. SAVAGE, who for the •LVx past seven years has managed the sales and service departments of D. Napier and Son, Ltd., has been elected a director of the company. Before join- ing Napiers Mr. Savage was already well known in the aircraft industry by his lengthy connection with Handley Page, Ltd., as works manager. NEW COMPANIES THE HENDERSON SAFETY TANK COMPANY (FOREIGN), LTD.—Registered as a private com-pany on July 4. with a nominal capital of £100 in 100 ordinary shares of /i each. The objects areto carry on the business of manufacturers of and dealers in fuel and other tanks, and the like, foruse on aircraft, ships, vehicles, motor boats, etc. The permanent directors are; Arthur J. Hender-son, H, Medina Terrace. Hove; Arthur J. Bern' Coates, The Grange, Loom Lane, Radlett, Herts;and Cecil A. Forecast, 26, The Avenue. Radlett. Herts; all directors of the Henderson Safety TankCo., Ltd. Secretary: A. A. Chenery. The regis- tered office is at 11, Waterloo Place, Pall Mall.S.W.I. ROUGH SETTINGDIAL CLAMP
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