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Aviation History
1951
1951 - 1223.PDF
756 FROM ALL QUARTERS . . . An artificial sandstorm was raised during the taxi-out and take- off periods : sand at the rate of 0.03 grammes per cubic foot of air was injected, amounting to over 1 1b per minute at take-off r.p.m. In all, nearly 2 cwt of sand passed through the Dart. During the climb periods the oil temperature was maintained at the maximum permissible figure of 90 deg C. For thirty minutes of each "cruise" period the de-icing system was switched on, and for a portion of each "flight" water was sprayed on to the Dart to simulate a heavy rainstorm. During taxying the spray was at the rate of 50 gall/hr, and during take-off, at 150 gall/hr. On one representative flight in every 100 hr the period at take-off power was increased from 1 to 5 min, and climb and cruise were simulated at the maximum continuous power condition. With the exception of the "flight-type" exhaust unit, which was undergoing development at the time, no parts of the Dart were replaced. The combustion equipment, including flame-tubes, burners and air casing, had previously run for 240 hr, so that these parts have now successfully completed a total of 740 hr. Main- tenance and inspections were as normally scheduled and occupied a total of 46.6 man-hours, or 0.092 man-hours per engine hour. One Dart of the same type has successfully passed three con- secutive civil type-tests, namely a British type-test, a civil type- test to the schedule recently proposed by the U.S. authorities, and a repeat British type-test. It is announced that Darts have now completed 9,500 hr on the test-bed at Derby and some 5,000 hr of flight testing have been completed without a single feathering. A. E. Russell Elected to Bristol Board THE directors of The Bristol Aeroplane Company, Ltd., haveelected to the board Mr. A. E. Russell, B.Sc, F.R.Ae.S., F.I.A.S., chief designer of the Company's aircraft division. Mr. Russell, who is 46 years of age, was born at Wootton-under- Edge and educated at Fairfield Secondary School, Bristol, and Bristol University. His father, a brilliant mathematician, was headmaster of East Bristol Cen- tral School and his uncle, Sir John Russell, was in 1950 elected President of the British Associa- tion. ___ Mr. Russell joined the Bristol "stress office in 1926, became its head after two years, and re- mained in charge until 1932. In that year he was appointed chief technician and in 1937 deputy chief designer (aircraft). He was appointed chief designer of the aircraft division in 1943, and since then has supervised the design of all Bristol aircraft, including the Brabazon, Freigh- ter and Type 173. He has given two lectures in the U.S.A., addressing the joint Anglo-American Aeronautical Conference in New York in May, 1949, on Aircraft Materials from the Designer's Point of View, and giving the Wright Brothers Memorial Lecture in Washington in FL1GH1 Mr.'A. E. Russell A DROP OF THE RIGHT STUFF is delivered by a Boeing KC-97A Strato- freighter tanker to a B-47 jet bomber of the same make.^The telescopic, swivelling "flying boom" equipment (likewise Boeing-developed) is controlled by vee-shaped "ruddevators," actuated by a gentleman (invariably known as "Clancy") in the rear of the Strato-freighter. December, 1949, his subject then being Some Factors Affecting Large Transport Aeroplanes with Turboprop Engines. Shortly after giving this lecture, he was elected a Fellow of the Institute of Aeronautical Sciences. "Wonder Jet" PI conjunction with Gas Turbine Week (June I8th-23rd) thefilm Wonder Jet was shown on Tuesday, June 19th, in the Telekinema at the South Bank Festival Exhibition. A Crown Film Unit production, Wonder Jet suffers from being too short in the sense that the endeavour to cut the film to the requisite running time has produced a somewhat patchy result. Sir Frank Whittle and Mr. W. E. P. Johnson each appear in the film in reconstructions of early events in Whittle's struggle towards success, and the film closes with some excellent shots of a diversity of modern types of jet aircraft. English understatement has become almost a joking matter, and it was with keen appreciation that we saw John Cunningham and John Derry each studiously not looking at the camera and saying respectively that "we" (i.e., Britain's aviation industry) had achieved the world's altitude record of 59,492ft, and that "we" had also flown at above the speed of sound. Perhaps it would have been a bit too much like a trumpet voluntary for Cunningham and Derry to have used the personal pronoun in speaking of these achievements; but to have continued giving honour where it was due, the film script might, we think, have included mention of the fact that these were the actual pilots who had achieved the two records. Igor Sikorsky to Lecture Here DURING his forthcoming visit to this country, Mr. IgorSikorsky is to lecture in London at the invitation of the Helicopter Association. July 17th is the date fixed—place and time are to be announced later—and the subject is "Helicopters in Peace and War." Members of the R.Ae.S. have been invited to attend and the Association also extends an invitation "to all who are interested in the helicopter art." The first truly "all-Canadian" aircraft is this Avro Canada CF-IOO long-range day-and-night fighter with Orenda turbojets. (See news item on page 755),
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