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Aviation History
1932
1932 - 0540.PDF
FLIGHT, JUNE 3, 1982 MODELS SOCIETY OF MODEL AERONAUTICAL ENGINEERS (S.M.A.E.) The Wakefield Cup Team Tint official tests for the composition of the team were scheduled for Saturday, May 21, at Wimbledon Common, but the weather was against us once more. A hot and brilliant morning did not fulfil its promise and by three o'clock a fresh, strong wind was blowing over the Common, taking along with it such useful air currents as might have been present earlier. A grey sky brought a downpour of rain which started at about five o'clock, and lasted well into the night. The afternoon was, therefore, spent in partly gloomy, partly- inspired conversation, under shelter or otherwise, and the Trials were put off until the following day, Sunday, May 22. It proved a successful gamble for the day had spells of almost ideal weather, all the more appreciated because there were occasional showers, a la Saturday. Serious flying began about mid-day. The number of entrants was small, the S.M.A.E. being represented by R. N. Bullock, J. E. Pelly Fry, A. M. Willis, J. W. Kenworthy, and A. E. Doodson. The latter two gentlemen showed the real spirit by travelling from Manchester by car and staying in town after the cancellation on Saturday in order to try their luck next day. They deserved better than a long run of bad luck. Mr. Kenworthy's model— named " Corsair "—broke all the available propellers without qualifying for a place. It was fitted with a rudder well below the thrust line which gave a curious impression that it was flying upside down. It did on one occasion actually fly upside down—fin up in the air—which resulted in a quarter of a " bunt" and a broken propeller. The unusual placing of the fin had given every satisfaction on a small model, but it is suggested that, instead of taking the model out of a side-slip it increases it, and this may explain why the model turned upside down so easily. Mr. Kenworthy intends to fit a rudder of normal type and this will no doubt give him a very fine model. Mr. Doodson was very unfortunate in breaking his four longerons in eight places. The fuselage was repaired, but he did not make many flights. On short test hops it gave a good impression. The team was, therefore, to be chosen from the three first entrants. The glory of the day, although a tragic one, for the model was lost and not found, was Tony Willis' flight of 186 seconds. This is a new R.O.G. record and he is now the holder of the three greatest records : R.O.G., H.L., and R.O.W. Those who hailed " A.M." as a future " big noise "—quiet as he is—have not been mistaken. Everyone was sorry to hear that the model could not be found, but he is sending to America the model which holds the H.L. record at 9 minutes odd. So it may be even a better one. R. N. Bullock had his last year's Wakefield Model out, which climbed strongly and started across the Common with big strides, landing in a street behind Willis who was looking for his own machine. His best flight was exactly two minutes, the next best, 115 seconds. Mr. Pelly Fry had built a new model for the job, a fairly large low wing monoplane of unmistakable " P.F." lines. Its wing is made up of two halves to simplify transport, and has a built-up box-type main spar. It has a new wing section—at least for models of recent type in this country— which has a concave lower surface. His best flight lasted 126'5 seconds and also ended in a garden across the Common. With any wind blowing, these models fly dangerously far, and their owners are not keen to put all the turns on the motors for fear they fly away altogether. The " Stork " landed twice in a tree but was retrieved with little damage. We have, therefore, our team of three : R. N. Bullock, J. E. Pelly Fry and A. M. Willis. It is as strong a selection as I can think of, and the' good wishes of all aeromodellists will go with them across the water. Let us hope for better results than last year. Result of Wakefield Trials. r Entrant. R. N. Bullock A. M. Willis J. E. Pelly Fry Club. S.M.A.E. S.M.A.E. S.M.A.E. Flights. 120. 116. 186 (Record). 63 126-5. 119. The "Flight " Cup IT was unfortunate that Saturday, May 28, proved no better as regards weather than usual, as this undoubtedly kept many competitors away from what proved to be a very interesting new competition for the " Flight " Cup. This took the form of a " steering " competition, run on similar lines to those held by the " power boat " clubs, but over a course of 200 yards. After heavy rain all the afternoon, the weather cleared about 5 p.m., and with very little wind, which possibly in this competition would have helped, a start was made, Mr. Evans was first away and had very hard luck, his model making straight for the " bull " at an altitude of about 3 ft., but unfortunately, it landed 10 yards short of the finishing line. Mr. Johnson also had a similar experience with his model, and in subsequent flights both of these competitors' models kept fairly straight courses, but landed short of the finishing line, thus losing the necessary points. Only one " bull " was registered, this by Mr. A. T. Willis, who won the cup with a total of 8 points. " Tony " Willis was second with 5 points, and Capt. C. E. Bowden third with 3 points. The competition for " power-driven " models (other than elastic), which was to have been held on June 18, will be held at the end of July. The actual date and ground will be announced later.—S. G. Mullins, Hon. Sec. S.M.A.E., 72, Westminster Avenue, Thornton Heath. A POWER-DRIVEN MODEL OUR readers may be interested in the accompanying illustration of a power-driven model which recently flew successfully at the London Gliding Club ground at Dunstable. It is a tractor biplane, the upper plane of which is 5 ft. span, and is straight; the lower plane is 4 ft. span, with a dihedral angle. Both have 8J-in. chord and the maximum gap is 8J in. The stabilising fin is the same chord and section as the main planes and 18 in. span. The complete model weighs 2 lb. 4 oz., and the power is from com pressed air. The container made by Mr. D. A. Pavely, is 2 ft. long, and 4 in. in diameter, and weighs 1 lb. 2 oz., while the engines are horizontally-opposed twins made by Mr. H. H. Groves and weigh H oz. each. The valves are rotating flat discs, screw-driver driven, as on the Desoutter pneumatic drill. The propellers are 13 in. diameter and are driven in opposite directions so as to eliminate torque. In order to minimise the downward pull, due to their high mountings, the tractors are set at a slight angle so that the slipstreams strike the upper surface of the tail. The container has a bamboo skid mounted underneath and is meant to take the landing shock. Celluloid wheels lightly sprung enable the machine to take off under its own power, but are not meant to take the landing load. The full working pressure is 100 lb., and the container supplies the flying power for 45 seconds. The engines continue to run for a further minute. A New Model Club THE " Northern Heights " Model Flying Club made its debut on May 10 at the Shaftesbury Hotel, Hornsey Rise, N.19, where a clubroom has been placed at the disposal of the club, and where meetings will be held on Tuesday evenings at 8 p.m. On May 31 the first lecture was given by Mr. C. J. Burchell on " Model Design Methods." The membership of the club is at present 22, and further particulars may be had from the Hon. Sec, K. J. Linfoot, 213, Junction Road. Upper Holloway, N.19. m & « ^ PUBLICATIONS RECEIVED Etude Th/orique et Experimental de la StabiliU des Avians. By J. Quessette. Paris : Gauthier-Villars & Cie. Price Fr. 20. Travaux du Cercle d'Etudes A irotechniques : V. Contribution a la Tkiorie des Ailes Sustentatrices. By Maurice Roy. VI. Flexion et Torsion des Ailes Cantilever. By Leon Kirste. Le Centre de Documentation A<Sronautique Internationale de l'A*to-Club de France, 6, Rue Galilee, Paris. Economic Conditions in Canada, 1931. Report by F. W. Field. Depart ment of Overseas Trade: No. 508. London: H.M. Stationery Office, W.C.2. Price 4s. 6d. net. Zeppelin Adventures. By Rolf Marben. London: John Hamilton, Ltd. Price 7s. 6d. net. Bristol Municipal Airport. The Manager, Bristol Airport, Bristol. Sands, Clays and Minerals. Vol. 1, No. 1. April, 1932. A. L. Curtis P.O. Box 61, Westmoor Laboratory, Chatteris. m -. as m AERONAUTICAL PATENT SPECIFICATIONS Abbreviations: Cyl. = cylinder; i.e. = internal combustion ; m. f motors. (The numbers in brackets are those under which the Specification will be printed and abridged, etc.) APPLIED FOR IN 1931 Published May 26, 1932 27,012. HOLOPHANE, LTD. (Soc. ANON. FRANCAISE HOLOPHANE). Aircraft appliances for lighting the ground and providing a beacon. (372,215.) 29,278. J. ARMAN. Apparatus for towing hydroplanes on the sea. (372,230.). Published June 2, 1932 2 970. DE HAVILLAND AIRCRAFT CO., LTD., and A. E. HAGG. Aeroplane wings. (372,344.) 2,971. DE JHAVILLAND AIRCRAFT CO., LTD., and A. E. HAGG. Aircraft and folding wings therefor. (372,345.) 3,751. IMPERIAL CHEMICAL INDUSTRIES, LTD., and F. RANKEN. Bomb- dropping apparatus for aircraft. (372,358.) 4,753. T. A. DRINO. Flying machines. (372,422.) 5,689. POBJOY AIRMOTORS, LTD., and D. R. POBJOY. Joints or attach ments of parts in engines, etc. (372,442.) 11,281. J. SQUIRES. Screw propellers. (372,524.) 14,946. S. A. REED. Aeronautical propellers. (372,568.) 16 817. M. DE BERNARDI. Combined steering and stabilising control device. (372,585.) 36, FLIGHT, The Aircraft Engineer and Airships. GREAT QUEEN STREET, KINGSWAY, W.C.2. Telephone (2 lines): Holborn, 3211. Holborn, 1884. Telegraphic address: Truditur, Westcent, London. SUBSCRIPTION RATES POST FREE UNITED KINGDOM s. d. 3 Months 8 3 6 „ 16 6 12 „ 33 0 UNITED STATES 3 Months $2-20 6 „ $4-40 12 „ $8-75 OTHER COUNTRIES s. d. 3 Months 8 9 6 „ 17 6 12 „ 35 0 Cheques and Post Office Orders should be made payable to the Proprietors of " FLIGHT," 36, Great Queen Street, Kinjpway, W.C.2, and crosstd " Westminster Bank."
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