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Aviation History
1909
1909 - 0812.PDF
DECEMBER 18, 1909. A LIGHT CARBURETTOR QUITE one of the lightest carburettors that we have seen is a special " S.U." design, which is manufactured by Messrs. G. Wailes and Co. for the Motor Supply Co., of Piccadilly. Although suitable for engines of 40-h.p. or more it weighs but little over 1^ lbs., and yet it has com- bined with it, in addition to the butterfly throttle-valve, A, with its spindle, A1, an adjustable needle-valve, B, for the fuel, and an adjustable choke-plate, C. JJThe photographs that we give herewith show it stand- ing upright on the extreme left, and lying down with the FOR FLIGHT ENGINES. D*, to be placed in open communication through a hole in the bracket with the needle-valve, D3. Simplicity as regards the float-feed device is obtained by making the same thread serve for fixing the float-feed- chamber in place as for receiving the petrol-pipe union, and for making the fuel-valve, D3, pass straight up through the float from beneath, while the level of the petrol is adjusted by tightening the set-screw, D5, at the correct height about the valve. There is, of course, nothing automatic about this carburettor, the design of which is extremely ingenious from a constructional point of view. Ample facilities are, however, provided for regulating an engine by hand, "Flight" Copyright Photo. JViews complete, and with the float-feed chamber removed and dismantled, of the "S.U." flight carburettor. float-feed chamber removed in the centre of that group, while on "the extreme right is the spun yellow metal float- feed chamber, D, with its cover, D1, float, D3, and needle- valve, D3, shown separately. From these views it will be observed that a very light framework, E, is employed for assembling the various parts together; that there is a clear full-bore opening right up through the mixing- chamber for the main air; that the spray-jet, B', projects through into the mixing-chamber at an angle; and that the float-feed-chamber needs merely to be bolted into place within the bracket, A, in order for the feed-holes, Accident to M. Bleriot at Constantinople. ON the 10th inst., M. Bleriot arrived at Con- stantinople with the object of giving exhibition flights on his monoplane. The first trials were made on Sunday, and attracted a large crowd to the flying ground, which was very small, too small in fact for any flying to be done with comfort. In addition, there was a strong wind blowing. The spectators becoming impatient, about 4 o'clock in the afternoon M. Bleriot determined to go up, and reached a height of about 60 ft. He was then caught by the strong wind and carried towards the Tataola Hill, 3 Idioms, away from the aerodrome. There he was unable to rise sufficiently to clear the houses and was driven against the wall of one. The machine fell to earth from a height of about 25 ft., and was badly smashed, but M. Bleriot retained his seat. Although able to get up, he complained of internal pain, and it was feared he had sustained severe injuries. He was at once taken to the French Hospital, and on Monday it was announced that there was no danger and it was hoped he would be able to be about by the end of the week. The sympathy of all interested in flying matters will be with the daring aviator in his unfortunate accident, and we wish him in the name of our readers a speedy and complete recovery. 814 since, in addition to the throttle-valve, A, which regulates the volume, and the needle-valve, B, which adjusts the spray-jet, the richness of the mixture and its thoroughness of atomisation can be controlled by means of the throttle- plate, C, that regulates the effective area, and therefore the air velocity, in the neighbourhood of the spray-jet. In addition to the points already mentioned, brief mention should be made of the neat spring-clip fastening which serves to hold the top of the float-feed-chamber in place as also the neat manner in which the aluminium casting, C, is utilised for mounting the choke-plate, C.® ® Mr. Maurice Farman's Cross-Country Record. YET another big step forward in the development ot mechanical flight was registered on Thursday of last week, when Mr. Maurice Farman succeeded in flying from his shed at Buc to new quarters at Chartres, a distance of about 42 miles. This was accomplished in 53 mins., and at an average height of 240 ft. Starting at eight minutes to three, Mr. Maurice Farman at once headed for Trappes, and flying over Rambouiller, Orphin, Gallardon, and Coltinville, he arrived at Chartres at 3.45 p.m. This is, of course, a world's record, but doubtless it will not stand for long. Mr. Maurice Farman intends to continue his aerial journey by stages to Bordeaux. His machine was constructed by himself and M. A. Neubauer in their works at Buc. It is very similar to the Voisin biplane in general design, but it embodies several ideas of Mr. Maurice Farman, which have proved very effective. A photograph of the machine appeared in our issue of February 6th last, and the only material alteration since then is that curtains have been fitted between the pair of upright struts at each end of the main planes-and also at each side of the tail. The engine is an 8-cyl. air-cooled Renault, with Bosch magneto high-tension ignition.
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