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Aviation History
1912
1912 - 1168.PDF
Let us draw the curtain over the picture of a party, exhibiting enormous appetites, rapidly becoming cheery under the comforting influence of honest bread, butter and jam and steaming tea, for it is all in a day's march when you are learning the gentle art of aviation. The Machine. The present Jezzi biplane is a machine that has been designed to fly at a high speed with comparatively little Details of the Jezzi landing gear. power. The biplane's normal speed with the motor pulling moderately well is about 65 m.p.h., which is no mean achievement with an engine power of 35-h.p., especially as the machine's capabilities do not alone lie along the line of speed. It is a common occurrence for Mr. Jezzi to take a passenger of 12 stone for a trip round the ground, while on one occasion he actually flew with a 16 stone passenger, although on this occasion the heavy load did make the machine drag its tail somewhat. To obtain this efficiency Mr. Jezzi has endeavoured to cut away as much head resistance as is possible. There we find that there is only one rank of struts— carefully stream-lined ones at that—between the planes, and that there are few cross bracing cables. The body of the machine, too, is covered in throughout its whole length with fabric, and is sufficiently wide against the tail to allow of the levers operating the rudder and elevators to be disposed inside. ® ® The planes were, until quite recently, of 28 ft. and 14 ft., span respectively for the upper and lower spreads. Just lately, however, extensions have been fitted to the lower plane to bring it to the same span as the upper surface. Their maximum camber is relatively small, just i£ ins., their maximum thickness 2 ins., and their incidence to the relative wind in flight from 4" to 50. In the construction of the machine ordinary but par ticularly clean spruce has been made use of almost exclusively. Indeed, the only other wood that is used, and the only section of the machine in which it appears, is English ash for the landing skids. For thellanding gear our sketches show its chief characteristics, and little need be said, except that it is very solidly built and has given no trouble whatsoever, although it has had to take landings in some of the roughest parts of the Eastchurch ground. The control of the biplane is, perhaps, the simplest system that is in use at the present day. It had a vertical lever, universally jointed, which controls the elevators and the wing warping, and a pivoted foot bar that operates the rudder. 0 The machine*and[its constructor, Mr. Leo Jezzi. ® AlRSMHP N Good Work with "Dupuy de Lome" FROM its station at Lamotte-Breuil the Clement-Bayaid airship " Dupuy <ie Lome," on the 4th inst., made a trip of an hour and 50 minutes and landed at Maubeuge. On the previous day, with nine persons on board, she wa* cruising for nearly an hour over Compiegnr. A Day's Voyage by "L 1." THE Zeppelin dirigible " L 1," belonging to the German Navy, put in a good day's work on the 5th inst. With seventeen officers on board, the airship started from Johannisthal at a quarter past ten, and after cruising over Lake Muggcl for a long time descended to the surface of the lake. In the afternoon, the airship cruised over Berlin and Potsdam, and returned to Johanniuhal at 4 o'clock. "Schutte Laoz" Makes a Long Voyage. AT midday on Saturday last the big Schutte Lanz airship passed over Berlin and an hour later was safely docked at Biesdorf. This marked the conclusion of a voyage which had lasted 16 hours, the airship having cruised right through the night with a partv of a dozen on board, including a German army officer representing the Minister of War. An Airship Station at Brunswick, THE good people of Brunswick are looking forward to having a Zeppelin airship stationed among them before very long. They have offered to build an airship'garage to conform with the require ments of the Minister of War. Another Zeppelin for the German Army. THE Zeppelin excursion airship, " Sachsen," which is now under construction, and should be ready for her trials next February, has been taken over by the military authorities, and alterations are to be made so as to render her fit for military purposes. The cabins, which are intended for passengers, are now being trans formed into bomb stores, whilst wireless telegraphy stations, and platforms for quick-firing guns are being arraDged for. New Zeppelin for German Navy. THE work of constructing a second Zeppelin for the German Ivavy is being pushed forward as much as possible, and in connec tion with it, a long series of tests, with a view to finding the best type of bomb and the most satisfactory method of dropping them, is being arranged. The new vessel will be superior in armament to the present Naval Zeppelin to the extent of at least two quick- firing guns. More Airship Manoeuvres in Germany. THE repairs to the " Z II " having been completed, as well as the reconstruction of" P II," it is proposed to hold another series °. iff ,»P manfUVres at Col°gne a* 'he end of this month. The M 1 may also take part, so that the three types of dirigibles may be tested. b 1168
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