. Discovery. Science. 284 DISCOVERY that these experiments took place about the time when the brothers \\'right were perilously edging round corners on their first power-driven machine and inquiring into the mystery of its tendency to side-slip and " stall " while doing so. A further commentary is afforded by the accident in September this year to Herr Klempferer, one of the most successful present- day exponents of gliding in Germany, who was released in his glider from a kite-balloon at a height of 4,000 feet and fell to the ground without gaining control of his machine. In view of
. Discovery. Science. 284 DISCOVERY that these experiments took place about the time when the brothers \\'right were perilously edging round corners on their first power-driven machine and inquiring into the mystery of its tendency to side-slip and " stall " while doing so. A further commentary is afforded by the accident in September this year to Herr Klempferer, one of the most successful present- day exponents of gliding in Germany, who was released in his glider from a kite-balloon at a height of 4,000 feet and fell to the ground without gaining control of his machine. In view of these amazing performances, which are well authenticated, it seems extraordinary that one has never seen a reference to Montgomery in any of spent in the air and distance covered are concerned, is due to the advance that has been made in the intervening years in the aerodynamic efficiency of machines, combined with the increased skill of the pilots. It must be remembered that the pioneers were using gliders in the effort to teach themselves the art of maintaining equilibrium in the air. The present-day experimenter, on the other hand, comes to the sport with all the accumulated experience of many hundreds of hours spent in the air in aeroplanes, and the resulting confidence, and knowledge of what to do in an emergency. So far as concerns the efficiency of machines, even down to the days of the Wrights, little was known of the characteristics of. IIG. 2.âA MODERN GLIDER. Shoning the type of couutrj' suitable for gliiling. the numerous articles on gliding which have been published recently. It is not proposed to deal here at any length with the work of Wilbur and OrvUle Wright which eventu- ally led to the successful development of the aeroplane as we now know it, since a detailed account alreadv exists in a readable and accessible form.' But readers of Discovery may probably not be aware of the fact that in 1911 Orville \\'right set up a world's record for soaring by r
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