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Aviation History
1913
1913 - 1152.PDF
\fuom THE RUSSIAN MILITARY TRIALS. BELOW are the tabulated results of the Russian Military Aero-S lane Trials as drawn up by the judges from a table furnished, fine machines were entered for the trials, but only three completed all the tests, and one only missed making one test. These four, whose performances are detailed below, secured prizes of ,£1,000, £600, £400 and ,£200. Machines fitted with 50 h.p. engines had to carry a load of 240 kilogs. in all tests, and those having 100 h.p. engines 340 kilogs. Machines of foreign construction were handicapped 10 per cent, in the marking :— OCTOBER 25, 1913. A WRIGHT INCIDENCE INDICATOR. Motor starting by pilot Vol plan? 300m. Pique 300m •Climbing speed 500 m.) Duration flight Landing on 35 cm. grass Get off in ,, Landing on ploughed land Get off from ploughed land Shortest landing ,, get off under 90 metres Speed Get off without help ... Maximum load carried Minimum speed Time taken to— Half dismantle Reassemble Dismantle and put in case Reassemble from case Sikorsky Sikorsky Deper- M Bi. Mono. dussin. 1 Passed 120s. 45«- 5m. 20s. ih. 34 Passed Passed 7o 150 59m. 19 80,30 98,2 Passed 437 ki'cg- 67 -3 km. 12m. 31s. 18m. 43s. lorn. 47s. 11m. 24s. Passed 58s. 35s- 6m. 15s. ih. 314 Passed Passed 60 140 55m. 77 102,3 Passed 417 kilog. 71'6 km. 9m. 30s. 9m. 52s. 14m. 20S. nm. 18s. Passed 15s. im. 24s. 3m. 6s. Ih. 31 Passed Passed 60 80 78m. 72 105,2 Passed 390,4 82-5 20m. 54s. 26m. 4s. 14m. 155. 24m. £s. Passed 25 52js. 22S. 3m- 15s- ih. 35 Passed Passed 25-3° Passed — 77,28 "9.3 Passed 94 km. 7m. Js. 23 m. 16m. 16m. 20s The Wright incidence indicator is a simple wind vane controlling a pointer moving over a dial. The pointer is controlled by a special mechanical contrivance which is said to eliminate any gravity influence, but no details of the operating mechanism are available. The pointer shows the angle of the chord to the true relative wind, and so informs the pilot of the effective attitude of the machine. So long as the pilot keeps his angle approximately on the normal mark he will fly at his proper speed, and will neither descend too fast nor get stalled when trying to climb. There Is no question that many accidents occur through the persistent neglect of pilots to accustom themselves to the use of such simple instruments as the speed or incidence metre and the ribbon. The weight of the Wright incidence indicator is 2;| lbs., and the dial can be read at a distance of 10 feet. ® ® » ® MR. JOHN GUY GILPATRIC, PILOT No. 171 OF THE AERO CLUB OF AMERICA.-Mr. Gllpatrlc is the holder of the American altitude record with passenger, which he secured at Los Angeles, California, in November last. When he made this record he was only sixteen years of age, and flies one of the French-built Deoerdussln monoplanes with very great effect. He holds the position of chief pilot for one of the largest aeroplane companies in America. Many of our readers will be interested to learn, and will remember, that a few years ago Mr. Gllpatrlc used to correspond with FLIGHT, at that time he being only a youngster in "shorts" 1178
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