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Aviation History
1918
1918 - 0606.PDF
MAY 30, 1918. A sample of the many jobs successfully tackled by the skilled workers of the New Welding Co. One of the photographs shows a crankcase as it reached the firm, with one or two of the pieces missing, while the other view shows the crankcase "as good as new," as returned to the owners. UNAFFILIATED MODEL CLUBS DIARY AND REPORTS. Club reports of chief work done are published monthly. Secretaries' reports, to be included, must reach the Editor on the last Monday in each month. Tbe Grahame-White Model Aeroplane Club.CONSTRUCTION has gone on apace during this month, and many machines are building, some of novel design intended to compete in the ccmpetition tobe held at the end of the month, for distance, duration, altitude and efficiency. Mr. Riach has drawn up the rules, and Mr. Boudot has kindly offered to: giveprizes. The efficiency to te obtained by the formula:— Weight of machine x distance flown . J WeightTof rubber. In the early part of the month, a considerable amount of flying was done,the twin pusher built by Mr. Mottram putting up some very good flights, the most notable of which, lasting about 40 sees., terminated in a high tree outsidethe aerodrome. At the same time a large hollow spar tractor of Mr. Fortescue's was on trial; it was found to require more power and a more rigid fixing of themain plane. A few days later Mr. P, J. Poultney brought out a large tractor with a wire wing. This machine was a very steady flier, and would fly head towind until the rubber was nearly unwound, then it would turn and land down wind ; average flight about half a minute duration and from 200 to 300 yards.On the same day Mr. Mottram put a neat tractor of conventional design througn trials. This machine performed fairly well until it smashed its propeller; itwas found to have a very fast climb. Mr. Tompkins completed a large hollow spar tractor with a double surfaced flexible trailing edge, which unfortunatelycrumpled up on hitting the ground, mainly owing to its delicacy of construction. A little later Mr. Mottram tried a 20-in. span tractor, weight ii ozs. Thismachine performed very well, making flights of 43 sees., at an altitude of 40 ft. NEW COMPANIES REGISTERED. M L. GLOVER AND CO., LTD.—Capital /4,00c in £1 shares. Acquiring the business of manufacturers of heat- treated and otherwise finished aeroplane engine and other parts carried on by M. L. Glover at 39, High Street, Cheadle, Cheshire. First directors : M. L. Glover, and A. A. Smith. L. R. SYNDICATE, LTD.—Capital ^i.ooo, in 15. shares. Objects, to work a process for rendering incombustible and/or impermeable wood, paper, cloth and other materials, to manufacture a substitute for dopeing and soap or a substi- tute for soap, to manufacture sealing wax and apparatus for preventing tKe explosion and combustion of the petrol oozing from aeroplane and other tanks, &c. Permanent directors : F. J. Lecharlier and A. A. J. Ravelli. MAGNETO AND SPARE PART CO., LTD, 227, Broad Street, Birmingham.—Capital ^1,000, in £1 shares. First directors: G. Malham and S. H. Parrott. SADGROVE AIRCRAFT CO., LTD.—Capital £15,000, in £1 shares. First Directors : W. H. Sadgrove, W. E. Brown and T- S. Richardson. SUNBURY AVIATION CO., LTD., 32, Charing Cross, S.W. 1.—Capital ^10,000, in 9,000 preferred shares of £1 each and 20,000 deferred shares of is. each. First directors : H. N. Ballantyne and G. F. Hird. ft m m * PUBLICATIONS RECEIVED. American National Advisory Committee for Aeronautics:Report No. 15. Nomenclature for Aeronautics. Washington, D.C., U.S.A.: National Advisory Committee for Aeronautics,Munsey Building. The Red Air Fighter. By Rittmeister M. F. von Richthofen,with introduction by C. G. Grey. London : The Aeroplane and General Publishing Co., Ltd. Price 2s. 6d. net. IMPORTS AND EXPORTS, 1917-1918. AEROPLANES, airships, balloons, and parts thereof (not shownseparately before 1910). For 1910 and 1911 figures see " FLIGHT " for January 25th, 1912; for 1912 and 1913, see "FLIGHT" forJanuary 17th, 1914; for 1914, see "FLIGHT" for January 15th,1915; for 1915, see "FLIGHT" for January 13th, 1916; for1916, see "FLIGHT" for January nth, 1917 ; and for 1917, see" FLIGHT " for January 24th, 1918. Imports. January..February March ..April ... 1917. 10,842 9,479 11,158 21,141 1918. 49,402 Si.94i 47,93o 33.342 Exports. Re-Exportation. 1917.£ 67,03326,512 58,51721,151 1918. 24,76513.545 n.45110,815 1917. 1918. £ 6 — — 1,000 52,620 182,615 173,213 60,576 1,000 Aeronautical Patents Published. Applied for in 1917.The numbers in brackets are those under which the specifications will be printed and abridged, &c.Published May 30th, 1918. 6,042. S. E. SAUNDERS, LTD., S. E. PORTER AND F. GOATLEY, Landing runners for aircraft. (115,260.)9,021. G. H. PARKIN. Mechanical starting-gear for I.C. engines used in aeroplanes, &c. (115,326.) 10,193. BRITISH EMAILLITE CO. AND F. IVYMAN. Measuring tension ofstretched fabrics. (115,338.) : : » » m * _ NOTICE TO ADVERTISERS. IN order that •• FLIGHT '' may continue to be pub- lished at the usual time, it is now necessary to close for Press earlier. All Advertisement Copy and Blocks must be delivered at the Offices of "FLIGHT," 36, Great Queen Street, Kingsway, W.C. 2, not later than 12 o'clock on Saturday in each week for the following week's issue. If you require anything pertaining to aviation, study "FLIGHT'S" Buyers' Guide and Trade Directory, which appears in our advertisement pages each week (see pages 1, li, and Hi). FLIGHT and The Aircraft Engineer. 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address: Truditur, Westcent, London. Telephone: Gerrard 1828. _ SUBSCRIPTION RATES. ' FLIGHT " will be forwarded, post free, at the following rates :— 36 12 UNITBD KINGDOM. Months, Post Free.. r» »• • • ta •* • • s. 7 1428 d. 1 1 2 3 6 12 ABROAD. Months, Post Free.. >> >> •> »» • • s. 8 16 33 d. 3 6 0 Cheques and Post Office Orders should be made payable to the Proprietors of " FLIGHT," 36, Great Queen Street, Kingsway, W.C. 2, and crossed London County and Westminster Bank, otherwise no responsibility will be accepted. 6O4
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