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Aviation History
1937
1937 - 1843.PDF
JULY I, T937- FLIGHT. 23 HERE and THERE The G.A.P.A.N. Fund SINCE the G.A.P.A.N. Benevolent Fund was launched at the beginning of May, a total of £1,059 8s. 6d. has been re ceived. The objects of the Fund, which is to assist profes sional pilots or their dependants, were set forth on page 499 of Flight of May 20. Cheques should be made payable to the Guild of Air Pilots Benevolent Fund, and crossed " A/c Payee only." They should be sent to Mr. F. W. Jones, Hon. Organiser, Guild of Air Pilots Benevolent Fund, Room 172, Airport of London, Croydon, Surrey. An official receipt will be forwarded and acknowledgment made of all sums received in the Journal of the Guild. Playing With Fire SO long as petrol provides the propulsive element in air craft we shall be faced with the tiro problem—fires due to crashes, to backfires during engine starting, and to various causes among aeroplanes parked in hangars or elsewhere. The petrol fire often involves a simultaneous oil fire, and both require a special extinguishing technique. Some modern methods evolved to deal with petroleum fires were shown recently by the Pyrene Company in the course of one of the periodical demonstrations given at their Great West Road, Brentford, factory. First, extinguishers charged with Pyrene liquid were operated, the principle being to exclude the atmosphere with a heavy wet vapour. A liquid carbon dioxide (CO,) ex tinguisher was next used to put out a fire (of a sort possible in a hangar or workshop) caused by petrol and paraffin trickling from a drum. After a demonstration of the Pyrene " Everyway " hose rec. in use (which from a fixed revolving drum feeds out hose in any direction the operator may run), "the C02 hut" was lighted up: two 50 lb. C02 cylinders, brought into action automatically, dealt with a fierce fire in a reproduction of an electrical sub-station complete with transformer and cables, oil and petrol being poured inside to help the blaze. "Phomene" extinguishers and foam-making branch-pipes (the latter for the production of foam from an ordinary water hose) were each shown before the piece de resistance—the firing and extinguishing of the largest demonstration oil tank in this country. The great billows of smoke and flames—a most formidable spectacle—were effectively dealt with in a very short time by the No. 2 foam-making branch-pipe. The operator in this case carries the foam-making compound on his back and, when foam is required, regulates its supply via the branch pipe to the main water hose pipe. Acid Test. IN co-operation with leading aircraft manufacturers, Exide have produced a new battery which has several very prac tical characteristics. Apart from a very high capacity/weight ratio, special vent plugs, baffle and cell design prevent splash ing and spilling of the acid up to a tilt angle of 70 deg. in any direction. The cover is so moulded that the plugs protrude through it, thus facilitating topping-up. An acid level indi cator is fitted to each cell, and the battery—which is made in two capacities—is approved by the Air Ministry for non-aero- batic aircraft. The Chloride Electrical Storage Co., Ltd., Clifton Junction, Manchester, are the makers. STATIC I : Variety from the inside at Hatfield on Monday. (Top left) The Williamson Lewis-type camera gun. (Top right) One of the outstanding features of the Smith's Aircraft Instruments and Hughes stands was the automatic pilot. (Bottom left) Marconi screening harness for a Bristol engine. (Bottom right) The Holmes tele-compass, with 360 deg. indicator, on the Smith stand. (Flight photographs.) .
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