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Aviation History
1947
1947 - 1793.PDF
i6lk. 194? FLIGHT 443 speed of 300 m.p.h. or so, weights are carried in the noseand below the fuselage. These are jettisoned before the glider is landed. Of the sailplanes and gliders developed by the Arsenal,space will permit reference only to the extremely efficient Air 100, one of the first of which we saw at Chatillon onits return from a highly successful visit to Wichita Falls. It is an outstanding design, with a span of nearly 60ft,and has demonstrated its superiority over U.S. gliders of similar type. High-speed Research From the Chatillon shops we were hastened away toVillacoublay, where the centre of interest was M. Galtier's V.G.70 high-speed research aircraft with swept-back sur-faces. Those who regarded this beautiful little machine with scepticism when it graced the Grand Palais may beinterested to hear that it is now doing its taxying tests and should fly at Melun, with M. Modeste Vonner atthe controls, in a month or so. The V.G.70 was designed soon after France's liberation,when the only available power plant was the Jumooo4. Because of the relatively low thrust of this unit (1,980 lb)it was necessary to keep the dimensions of the machine as small as humanly possible and, to reconcile this with thereasonable wing loading of 41 lb/sq ft. M. Galtier was set some nice problems. These he has tackled withimagination. For example, as the rear fuselage diameter was little greater than that of the jet pipe, it was necessaryto build integral fuselage frames and tailplane spars of steel and, of course, to give the spars sweepback. Again,the main high-pressure wheels had to be turned during re- traction into the wing, and it was necessary to collapsethe nose-wheel strut before raising. The wing is of wood and the fuselage of metal. Tests at Chalais-Meudon haveindicated that the "pillar box" slots may not, after all, be required, and that the ventral intake for the turbo Exercising over Bordeaux, near xhtir base at Merignac, Halifax Vl$ (Hercules) present a splendid picture. These aircraft are extremely Popular with their crews, and art used net only as bombers, but for long-range transport. A new Arsenal research air-c faft, designed solely for determining the loads on various sets of wings. The observer is seated forward of the pilot's cockpit. With '*.*pan of only 27ft this '•toe machine can be mounted "i the Cbolais-Meudon wind tunnel.
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