London South Collegiate Institute - Oracle Yearbook (London, Ontario Canada)

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L. S. C. I. ORACLE -L3 Mx!! +- Editor, GORDON MCLEOD, IV B THE AUTOGIRO The autogiro has come to the notice of the world in general within the last year. Because of this many persons think it is a recent invention. In fact this is not true, the first flight of the autogiro took place on january 17, 1923, covering a distance of only two hundred yards. Juan de la Cierva, its inventor, had been experimenting along these lines for several years before this initial Hight. Extensive experi- ments continued until the autogiro reached its present state of efficiency. Then it was released to the world. The autogiro is not an aeroplane, but operates entirely upon the prin- ciple of the autogiro. All heavier- than-air craft are supported by some arrangement of wings or surfaces. All have a curve or airfoil which creates a vacuum on the upper surface of the wings. The lift created by this vacuum above the airfoil depends entirely on the speed of the arifoil through the air. O J TR Q lille'- 'V . , X . H-g L l - v g I , KA. Contrary to the popular idea the rotor blades are not motor driven except when preparing for the take-off. The rotation is caused by wind pres- sure due to the movement of the auto- giro in any direction. On the new models a gear is attached to the motor which starts the blades rotating. When a sufficient number of revolutions per minute have been obtained the gear is released by means of a clutch and the autogiro is ready for the take-off. The autogiro depends upon a propellor for forward motion much in the same way as an aeroplane does. The small fixed wing of the autogiro is used merely as a support for the ailerons or wing flaps used for banking when turning. The sharply uptilted wing tips give increased stability. The wide spread of the autogiro's landing gear is also peculiar to it alone. In some of the first models, which were simply aeroplanes adapted for autogiro use, it was found that when landing, especially at low speeds, sudden gusts of wind were liable to strike the rotor blades with such force that when equipped with a landing gear of aver- age spread it was very likely to upset. This was remedied with a very wide landing gear. juan de la Cierva, the inventor of the autogiro, claims that the autogiro is a flying machine which for the man of average health and intelligence is simple, easy, and safe to operate. Up to date the autogiro has made no tremendous achievements in the way of important Hights. Mrs. Amelia Earhart Putnam, of trans-Atlantic fame, was the first person to fly from the Atlantic to the Pacific and return in one of these craft. Later she set a world's autogiro altitude record of

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44 over 18,000 feet in the same ship. Captain Dean flew the British Con- sols, the first Canadian-owned auto- giro, across Canada and back with the Trans-Canada Air Pageant. A short while ago Captain Dean looped this ship. This was the first time an auto- giro had been stunted However, its acrobatic possibilities remain to be discovered. In the future we may expect to see the autogiro in a great many sizes, having a great variety of performances. In America, a five-place cabin ship has already been designed. We shall see the autogiro developed on four lines. First there will be extensive produc- tion of small ships for sport and general utility. Then will come cabin ships for aerial taxi work, and its obvious safety for night and blind flying will lead to its adoption on night mail and express lines. Finally when the autogiro has proven its safety, we shall see multi-motored models adopted for passenger transportation. However, time alone will show to what extent this, the greatest rival of the aeroplane, will be used as an accepted mode of trans- portation by the people of the world who desire safe speed. -GORDON MCLEOD, IV B. THE SCHNEIDER CUP RACE The Schneider Cup Race has a very interesting history. The trophy was first offered by the late Jacques Schnei- der in 1913 and it was to be the per- manent property of the country which won it three times in five consecutive U rl- -4 -A l i -a L it Qff -Q LZF: . . .ff -l f' ivglvai years. This contest was limited to seaplanes alone. The first race was won in 1913 by the French iiyer Pre- vost at a speed of 145.7 miles per hour. The foremost countries which have been L. S. C. I. ORACLE competing in these races up to the present time have been Italy, United States, France and England. The lat- ter now becomes the possessor of the Schneider Cup, having won it in 1927, 1929 and 1931. ' In 1927 it was won by the British Supermarine S-5 at a speed of 281.5 miles per hour. Two years later the Supermarine S-6 carried off the hon- ours for the mother country at 357.7 miles an hour. Piloting his Super- marine S-6B seaplane over a triangular course at 375 miles per hour, he made the trophy the permanent possession of Britain by Flight Lieutenant J. H. Boothman of the British Royal Air Force. On September 29, Flight-Lieutenant G. H. Stainforth, also of the British Air Force, established a new record of 388 miles an hour. The next day he set a new average speed of 408 miles per hour and also a new world's high speed record of 415 miles per hour. It is noteworthy that he made these records in weather that was considered barely safe for flying, let alone for racing at such a high speed. It is difficult to realize just how fast 400 miles an hour really is. For instance, given a quarter mile start over a bullet fired from a .45 pistol, the supermarine plane would finish first in a mile race even if the bullet main- tained its initial velocity. How fast can man really travel? Present day designers estimate that a speed of 500 miles an hour is quite possible. In eighteen years the speed of aeroplanes has jumped from 45 to 415 miles an hour. It is with keen interest that we await the developments of the next ten years. -KEITH COATES. It was necessary for taxation pur- poses to decide which side of the Can- adian and United States border, a farm, which an old lady had purchased, actually lay. Surveyors finally decided that the farm was just on the American side of the border. . The old lady smiled with relief. I'm so glad to know that, she said. I've heard that winters in Canada are very severe.