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Aviation History
1947
1947 - 1328.PDF
FLIGHT AUGUST 14TH, 1947 that the lecturers represent two countries only, the sub- jects covered will deal with almost every major problem which confronts the aircraft technician at the present time. It is interesting to reflect, and indicative of the vast developments that have taken place since 1939, that even if secrecy considerations had permitted, many of the problems to be debated this year had scarcely arisen at the time the earlier congress was planned. Jet propulsion was little more than the dream of a few visionaries, and the name Whittle was unknown to the world at large. A subject which does not appear to be covered in the lectures is that of designing airscrews for gas turbines. The article by Mr. L. G. Fairhurst, the second part of which appears in this issue, should therefore prove a valuable complement to the September lectures. Of problems in the design of the gas turbines themselves there are many, and in the past it seems to have been taken for granted that any associated airscrew problems will be taken care of by the airscrew designer. Mr. Fairhurst makes it very clear that there is much work to be done before the turbine-airscrew combination can adequately meet.the demands that will be made upon it. Round the World AgainG ;PTAIN ODOM has lowered the time for a solo flight around the world to 73 hours 5 minutes. Just what he has proved thereby is not clear. The reliability of modern aircraft, their engines and equip- GONTENTS Outlook - Short-Distance Aids to Navigation Here and There - - - - - Seabee in the Air . . . 6|7's American Tour - - - - Airscrews for Gas Turbines - Prelude to Glory Dove Maintenance - - - - Design and Psychology - - Civil Aviation News .... Correspondence - - - - - Service Aviation - Forthcoming Events, page 157 153 155 158 160 162 163 165 169 170 173 177 178 ment is not in doubt—given proper maintenance. The. late Wiley Post took some 187 hours to do the circi | (a slightly shorter one), but that was 14 years ago, in a Lockheed Vega with one 450 h.p. engine. Post had far less aid from navigational facilities, and almost the only piece of equipment common to the Winnie May and the Reynolds Bombshell is the auto- matic pilot, which in both cases enabled the human pilot to take occasional short snatches of sleep. Captain Odom's engines had to run for 73 hours only, while Post's kept going for 187. Pilot strain must have been approximately proportional to the length of time taken, so if human endurance is the criterion, Post's was the greater achievement. i Flight " photograph- BREAKAWAY: One of the first British aircraft designed from the outset as a single-seater deck-landing naval Blackburn Y.A.I, unofficially named Firecrest, is seen on test near Brough. The engine is a Bristol Centaurus.
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