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Aviation History
1942
1942 - 1451.PDF
JULY 9™, 1942 FLIGHT schedule cafls for the same inspection routine plus considerable work on the hydraulic system, removal and inspection ot tyres and tubes, and a change of oil in the engines. About every third month, after 700 hours and 125,000 miles of flight, the power plants and other principal items listed for overhaul are removed and put in prime condition. At the same time the wings, tail elements and every least part of the craft are inspected with minute care and reconditioned where necessary. Major Overhauls By the time of major overhaul after 3,500 flight hours, each transport has had seventy 50-hour inspections, half as rn^my 100-hour check-ups and five reconditionings at 700- hour intervals. During this period of some what more than a year, many varied engi neering changes and new items have been specified by the air-line engineering depart ment. More than 1,000 such changes have been made on transports which have been in service for the last six years. They range from installation of engine cowlings of a new type and improved de-icing equipment to such minor items as better reading lights zn& a^new kind of ash receiver for passenger lie. The changes, are made at periodical inspections, so thar in the course of a few weeks every transport operated by an air line is equipped with the new article. Major overhaul requirements include removal of the wings and enough skin from fuselage, wings and tail elements to expose the structure to searching inspec tion and to facilitate repair or replacement of all parts that are in the least doubtful. A1K, cables are replaced with new ones, and the control members are recovered with new material. The airscrews are taken oft, dismantled and carefully cleaned and overhauled. Engines are dismounted, taken down, checked for crank shaft alignment antt possible flaws in the articulated connecting rods. When reassembly the engines are 49 Canadian Checking alignment of the crankshaft ol a Wright Cyclone engine is part of the major overhaul routine in an airline's own shops. run-in, tested and tuned up in closed test cells, thereby reducing costly flight-test time. Many special jigs, fixtures and tools have been designed and built by the air-lines' engineers and main tenance men, and more efficient new machine tools and test equipment have been installed to expedite the work. Whereas three years ago a major overhaul kept a transport grounded for 72 hours and the average daily flying time of all air-line machines, including those undergoing overhaul, was 7 hours, to-day the overhaul is completed by three shifts in 24 hoars and the average time in the air per day of all aircraft is approximately 9 hours. fou /"VANADA'S aircraft industry is n^v turning out planes at ,1i«/ the rate of 360 a month, acc/rding to a report of the director of Public Information in Ally. According to Ralph P. Bell, director of aircraft produBlioijfin the Department ol Muni tions and Supply, delivery of ifj^ft " has reached proportions that a year ago would have been considered absolutely stagger ing." New Air Crew Categories E IGHT additional air crew specialists are to be trainofj under the British Commonwealth Air Training Plan,jEccording to Air Minister C. G, Power. This brings to twelvejflie number 0: air crew categories. The biggest change occuty in the duty oi the air observer, who until now has hal —navigating, .bomb aiming, photograjl gnnner. Under the new training plan carry out hispresent duties on medium borrl command aiicralt, but in heavier aircraft shared by a navigator and an air bomber, tion, pilot's mate, will be a co-pilot and flight engineer. He will be carried only on heavy aircraft and will be qualified to take over the controls if the pilot becomes a casualty. There will be" wireless operator-air observers who will be trained as observers as well as wireless operators and will be used primarily on reconnaissance in two-place aircraft. There will be another air observer trained as a radiolocation specialist for -night fighter service. The complete list of new air crew categories is: captain of '''igle-engine aiicraft; twin-engine pilot; copilot; flight ponsibilities d emergency observer will ers and on coastal his work will be A new classifica- engmcer; pilot's mate, navigator air-bomber; wireless operator- air observer; wireless operator-air gunner; air gunner and radio observer. Previously training had been given for pilot, observer, wireless operator-air gunner and air gunner. Non-profit Schools in Canada NINE of the ten civilian flying companies operating, air observer schools in Canada for the Royal Canadian Air Force under the British Commonwealth Air Training Wan have voluntarily offered to run them on a non-profit basis, it was " G. Power, Air Minuter. The offer The non-profit Swance on the capital >TOOO each. The com- Governrftent all profits operations since the schools were announced at Ottawa by C. is being accepted as a m arrangement is apart from investment oi the^e compa; panies have also offered to which accrued from their started, and this offer has also been accepted. It was dis- closefl in Parliament that operating profits ranged from $19,654 over a 24-week period in one case to $64,330 for a 96-week period in another. Under the Government contracts these schools were afforded opportunities to earn Irom 10 to 60 per cent, on their capitalisation. Earnings and savings under the various contracts amounted to 8356,400 at the end of May, 1942. The contracts expire at March 31, 1943. Schools which will retutn profits are those operated by Canadian Pacific Air Lines, Ltd , at Malton (Toronto), Edmon ton, Winnipeg, Portage La Prairie, St. John's (Que.), and Ancienne Lorette (Que.); those opefated by Leavens Bros, at London, Out.; by Prairie Airways at Regina ; by Northumber land Flying Training Co. at Chatham, New Brunswick.
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