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Aviation History
1946
1946 - 1420.PDF
FLIGHT JULY 25TH, 1946 was '' right.'' That was sufficient in the old days, but the picture has been changed completely by the Intro- duction of turbine and jet propulsion, which has made possible speeds formerly considered fantastic. It was inevitable that in speaking of future possibili- ties Sir Ben should cover much of the same ground as that dealt with more extensively by Mr. Relf in hisr recent Wilbur Wright lecture, but his brief summary of the relative efficiencies of different power plants and their ranges of maximum utility was a good guide. The air- screw-turbine combination up to speeds of 550 m.p.h. ; the turbo jet from there up to 1,600 m.p.h.; and the athodyd (propulsive duct) above that speed. E Pluribus UnumR EPRESENTATIVES of the British Empire are at present meeting in London for the purpose of dis- cussing airworthiness regulations. The fact has been hailed by no fanfare of trumpets, yet it may well have very far-reaching effects. The question of air- worthiness regulations is a very tricky business, and what Lord Brabazon called the "bible of safety" at a luncheon the other day, computed by P.I.C.A.O., is a document which few will study but which may have a profound influence on future aircraft design. At Montreal some of the Empire representatives now in London made the acquaintance of one another, and as Lord Brabazon stressed the other day, this personal touch is of inestimable value. There are very few prob- lems in this world which cannot be solved if they are approached in the right spirit, and it is very much to be hoped that complete unanimity will be reached in the talks now taking place. Speaking with one voice, the Empire will carry a great deal of weight in international councils of the future. CONTENTS Outlook .. ... 77 Britain's Test Pilots 79 Power-Folding Problems 82 Here and There 84 All Stations East ... 86 Too Much Planning ? ... 89 Sir Ben Predicts ... 90 Napier Flight Development ... ... ... ... a Civil Aviation News ... ... ... ... ... 94 Leicestershire Display 97 Contenders for the Record * 98 Two New Power Units 9 Correspondence ... 100 Service Aviation I0J *S 4 The Air Registration Board, under the very able sec- retaryship of Mr. Thomas, is doing great work on the technical side, and one may be hopeful of a very satis- factory outcome of the present deliberations. When it comes to politics, unfortunately far too much mixed-up in this commercial aviation business, the position is more- difficult. It is beyond understanding, for example, why South Africa was not invited to the P.I.C.A.O. talks' until it was too late to send representatives. South Africa is very anxious to use British aircraft, but at the moment she is having to buy American, partly because few or no British types are available, and partly on account of the price. For instance, a Tiger Moth at present costs nearly twice as much as a comparable American type. Moreover, South Africa is prevented by climatic con- ditions from using wood construction and must have all- metal machines. British manufacturers would do well to bear this fact in mind. Flightj pkftograi'l' MAGIC CIRCLE ; The use of an annular radiator with the Napier Sabre VI engine of this experimental TT.nfliui TCmpt-l raises the top speed by 11—15 mph. Mr. Jack Ohrer, a young Napier test pilot, is seen entering a zoom climb past the photographic Warwick. Vortices trail from the blunted wing tips of the Tempest.
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