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Aviation History
1926
1926 - 0580.PDF
AUGUST 19, 19-6 the official results, to consume no less than 13-650 kg. (28-6 lbs.), which was disappointing, to say the least. For some time no explanation could be found, but an examination of the petrol showed this to be of density 740, which was on the heavy side. Somewhat later it was found that the jets fitted were those which had been in use for some time, including the flight to Orly from England, and were in no way suitable for a fuel-economy test. Mr. Webb, the mechanic sent out by A.D.C. Aircraft, Ltd., soon put matters right by changing the jets for smaller ones. The petrol question was solved by the Morane-Saulnier firm offering to supply Mrs. Eliott- Lynn with a tank full of lighter petrol from their aerodrome a short distance away from Orly. Wednesday, August 11.—This morning early it rained cats and dogs, but towards 9 a.m. the weather improved con- heads went together and heated discussions were held as to whether or not such a consumption was at all possible. This discussion continued on and off for the rest of the day, and when we left the aerodrome in the evening there was every sign that, barring accidents, arms would still be waving on our return in the morning. In the meantime Wouters on the Poncelet " hansome cab " made another try for consumption, this time making very sure of his barograph markings, and was returned with a consumption of 7'000 kg. (15-4 lbs.) and an economy co- efficient of 0-700, the average speed around the course being 111-524 km./h. (69 m.p.h.). Roques and Lefolcalvez, two very charming French pilots, got their plugs changed and other adjustments made, M. Roques making another attempt at his consumption test, this time covering the course, but on [ "FLIGHT " Photographs No. 16 : The French-built Pander monoplane entered and flown by MM. Roques and Lefolcalvez, who are seen standing by the machine. Above : left, making a good landing in the tests, and, right, in flight. A poor engine prevented this machine from doing itself justice. siderably, and Mrs. Eliott-Lynn and Mr. Webb flew over to the Morane aerodrome, returning with a tank full of lighter petrol, the density of which was found on test to be only 690. As soon as the tanks had been emptied and refilled under official supervision, Mrs. Eliott-Lynn went for the second consumption test to which she was entitled. Dr. Lhota also went for a second test, and improved his consump- tion to 6-500 kg. (14-3 lbs.) and his economy coefficient to 0-750 (speed 128-205 km./hrs. = 79-6 m.p.h.). WTien the tank of the " Moth " had been emptied and the contents weighed, the somewhat startling result was found to be a consumption of 5-260 kgs. (11 -6 lbs.) only, giving a coefficient of 0-874. Mrs. Eliott-Lynn's speed around the 50-km. course was 109-849 km./hrs. (68-25 m.p.h.). At once there was a great fluttering in the dovecote ; a consumption of 6-490 kg. (14-25 lb.), which seemed some- what excessive for such a small machine, the coefficient being only 0-151. The average speed was 93-360 km./h. (61 m.p.h.). One suspects that the little Roques-Lefolcalvez monoplane is not getting a square deal from its 25 h.p. Anzani, and cannot help wishing the machine had a really good engine, such as the Bristol " Cherub." It is a great pity, as the machine itelf is extremely well built and its owners very popular with everybody. During the afternoon Captain Broad arrived, unfortunately without his " Moth," and one can only regret that this machine was not sent over, as it would have been sure to create a very favourable impression. A surprise visit is paid to the Orly aerodrome by a Czechoslovak de Havihand 50 which has flown across from Prague carrying a party of dis- 510
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