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Aviation History
1949
1949 - 1922.PDF
688 FLIGHT, 24 November 1949 SIDE-BY-SIDE EJECTOR SEATS EVIDENT in this new Flight drawing of the Fokker S.I4 areits robust construction and straightforward power instal- lation. The fuselage-fitted dive-brakes follow American rather than British practice. the angle formed by the bifurcated air-intake ducts. Succesful adaptation and application of British and American jet fighters as two-seat trainers has demonstrated the inadequacy of piston-engined types for advanced instruction of jet-fighter pilots. On grounds of economy alone, an obvious next step is the design of an aircraft" specifically for this duty. Fokker's S.14 is the first machine in such a category, and its progress will therefore be watched with interest. . HEAVY-DUTY GROUND STARTING BRIEFLY referred to in the Airlines Number of Flightlast April, a number of the new Murex ground starterunits are now in service, and one has been in regular attend- ance on the de Havilland Comet from the time of its firstflight. The units, it is stated, are being supplied to B.O.A.C. and other operators. This Murex unit has an engine-driven generator which con-tinuously supplies a high current at constant voltage for -was. A Murex unit positioned for starting the D.H. Comet. servicing and pre-flight checks and a very high peak currentfor starting both reciprocating and gas-turbine power units. Recently a test was made on a Boeing Stratocruiser atLondon Airport. As the electrical requirements of this air- craft were known to be heavy, two Murex units were firstcoupled in parallel. After a routine pre-fiight check had been made and the engines started by the units, it was found thatone unit had ample capacity to provide the current required. The test was witnessed by representatives of the Ministry ofSupply, B.O.A.C. and Pan-American Airways. The standard Murex unit operates at 28.5V and supplies acurrent of 600 amp continuously for servicing and pre-flight checks and a peak starting current of approximately 1,200amp for engine starting periods. Other units are built to operate at 125V and in various capacities. The unit ismounted on a low trailer which enables it to pass under the wings and fuselages of all large aircraft. Murex Welding Processes, Ltd.. Waltham Cross, Herts, arethe makers. PICTURE BOOK Puffin" Airliners." Written and drawn by John Stroud.Picture Book 86. Penguin Books, Ltd., is 6d. THE diligence of Mr. Stroud in ensuring the authenticity ofhis drawings and descriptions is no less in degree than his artistic talent; so this latest Puffin book, we believe, will proveequally satisfying to the student of air commerce and the connoisseur of aeronautical art. The cleanness and simplicity ,of Mr. Stroud's pencil and brush work are exemplary; yet he contrives to present the character of an aircraft even in hisleast pretentious sketches. The companion paintings of the Supermarine Sea Eagle amphibian and D.H.34 and that of awaterborne JU52 floatplane are, to our mind, the pick of this delightfully presented gallery of transport aircraft. B 22
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