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Aviation History
1923
1923 - 0458.PDF
AUGUST 2, 1923 THE PONCELET LIGHT 'PLANE IN our issue for July 12, we drew attention to " SomeClimb," as credited by the lay press to Lieut. .Simonet upon a 7 h.p. " motor-glider." Promptly M. Simonet from Brusselsdisowns the soft impeachment, and we are glad to say sends us not only the interesting facts, but also forwards a couple ofphotographs of his little 'plane, which we have much pleasure in reproducing. Lieut. Simonet's accompanying disclaimerand statement (which we were compelled to hold over) is as follows :— balanced, possesses a wide speed range (40 to 85 kilos.), landsat 35 kilos, per hour, and climbs at a rate of 60 to 75 m. per minute. The machine can be readily transformed to a pureglider by only removing engine and gasoline tank, which is placed behind pilot's head. The balance is exactly the same ;this seems extraordinary as the pilot's seat is in front of the wing and the engine weighs 32 kgs. I propose, as you knowalready, to pilot this machine at the French gliding com- petition at Cherbourg. Another Belgian machine, the . THE PONCELET LIGHT 'PLANE : At rest and in flight. " I have just read in your interesting paper your article Some Climb ' regarding my performances on the Belgian glider ' Poncelet,' fitted with a 7-10 h.p. Anzani engine. " I have not climbed at 2,600 ft. in one minute ! It is, of course, a mistake on the part of the daily press. The truth is this :— " Saturday, July 7, I tried for the first time the Poncelet light 'plane (tried before successfully as a glider). I flew 17 minutes at 100 to 200 metres ; next day I flew 15 minutes ; the Monday I flew 28 minutes and reached 800 metres. Tuesday I flew 45 minutes and reached easily (in about 20 minutes) a height of 1,100 metres. The machine is very well S.A.B.C.A. Jullien, fitted with a British Douglas five-overengine, will also take part in the competition. " The ' Poncelet ' light 'plane characteristics are as follows :span, 11 m. 20; length, 6 m. 70; weight: with engine, 100 kgs. ; without engine, tank, etc., 155 kgs. ; surface,20 m. 2 ; engine, 7-10 h.p. Anzani 1,100 c.c, developing 10 h.p. at max. revs. (1,550) ; petrol tank, 18 litres, oil tank,3 litres, giving about 3 hours' flight duration. Wing: Gottingen section—deepest section, 38 mm." The Poncelet Glider was illustrated in FLIGHT for March 1last, and a comparison of this and the light plane is interesting. . . • ... y ' . • 13 M v i THE FARMAN LIGHT 'PLANE " MOUSTIQUE " : The machine shown above, which won the "Petit Parisien " Grand Prix on July 15, is the latest development of the original "Moustique." It is fitted with either of the two following engines : (1) Sergent, 4-cyl. (55 by 80), 14 h.p., with geared airscrew turning at ,4,550 r.p.m. for 3,500 of engine. (2) Salmson, 3-cyl. (70 by 86), 12 h.p. at 1,800, or 16 h.p. at 2,400 r.p.m. Its chief characteristics are : Span, 34 ft. 6 ins. ; o.a. length, 18 ft. 6 ins. ; height, 7 ft. 6 ins. ; area, 161 -4 sq. ft. ; weight empty, (1) 253-5 lbs., or (2) 231-5 lbs. ; speed, 49 7 m.p.h. ; duration, with 44 lbs. of fuel, 7 hours. 458
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