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Aviation History
1925
1925 - 0474.PDF
British Standard Specifications THE British Engineering Standards Association have just issued two new British Standard Specifications, viz., *?' B.S.S. for Brass Bars and Sections Suitable for Forgings and Drop Forgings," No. 218, 1925, and " B.S.S. for Soft Solders," No. 219, 1925. In the former specification the •copper content of this material is specified to be not less than 58 per cent., and the minimum tensile strength 20 tons per sq. in., with an elongation of not less than 25 per cent. Further specifications covering naval brass bars and sections, high speed screwing and turning brass bars and two grades of high tensile brass bars and sections are now in preparation. The second Specification covers nine grades of tin-lead solder These solders are intended for electrical purposes, tinsmiths' and coppersmiths' work, steel tube joints, lead cable wiped joints, etc., and typical purposes for which the various grades are particularly suitable are given in the table of analyses for the guidance of purchasers ordering solder for specific uses. Apply to Publications Dept., 28, Victoria Street, London, S.W. 1. Price Is. Id. each post free. Hawkers for Denmark WE understand that the Danish Army Flying Corps has bought three aeroplanes frm the Hawker Engineering Co., of Kingston-on-Thames. Furthermore, the Danish Army Flying Corps has taken out a licence to build the same type of aeroplane in Danish factories. R.A.F. v. Civil Service Cricket THE two-day Cricket match between the R.A.F. and the •Civil Service, held last week on the Army Sports Ground at Leyton, ended in a drawn game. On the first innings, thanks mainly to a score of 152 by A. E. S. Rippon, the Civil Service held a lead of three runs. The highest score for the R.A.F. was put up by Flying-Officer E. V. H. Hudson, with 85. Score :—Civil Service, first innings, 337 ; second innings, 129. R.A.F., first innings, 334. R.A.F. Lawn Tennis THE Lawn Tennis Championships of the R.A.F., which have been in progress during last week, at Queen's Club, W. Kensington, were concluded on Saturday. R.A.F. Doubles Championship.—Final round.—Squadron Leader H. J. F. Hunter and Squadron-Leader R. E. Saul (holders) beat Flight-Lieut. C. E. Williamson-Jones and Flying-Officer E. D. H. Davies (6—1,6—1, 10—8h R.A.F.—Singles Championship.— Final round.—Flying- »Officer C. F. Roupell (holder) beat Squadron-Leader H. J. F. Hunter (6—3, 6—3, 4—6, 7—5). R.A.F. Veterans' Cup.—Final Round.—Squadron-Leader P. Young beat Wing-Commander W. R. Read (6—2, 6—3). R.A.F. Plate Singles.—Final round.— Flight-Officer E. D. H. Davies (holder) beat Squadron-Leader F. G. M. Williams ,(6—4, 6—4). A Doctor's 'Plane DR. WHITEHEAD REID, of Canterbury, who was a com- petitor in the King's Cup Race round Britain some years ago, :still maintains a healthy interest in aviation, and, despite the fact that he finds his motor-car rather more convenient for -professional visits, he nevertheless utilises his S.E.5 in securing "financial assistance for hospitals and other charities by carry- ing " paying " passengers. IMPORTS AND EXPORTS, 1924-1925 AEROPLANES, airships, balloons and parts thereof (not shown •separately before 1910). For 1910 and 1911 figures see " FLIGHT " for January 25, 1912 ; for 1912 and 1913. see " FLIGHT " for January 17, 1914 ; for 1914, see " FLIGHT " rfor January 15, 1915 ; for 1915, see " FLIGHT " for January 13, 1916; for 1916, see "FLIGHT" for January 11, 1917;' for .1917, see "FLIGHT" for January 24, 1918; for 1918, see " FLIGHT " for January 16, 1919'; for 1919, see " FLIGHT " ifor January 22, 1920 ; for 1920, see " FLIGHT " for January 13, 1921 ; for 1921, see " FLIGHT " for January 19, 1922 ;' for il922 see "FLIGHT" for January 18, 1923; for 1923, see " FLIGHT " for January 17, 1924 ; and for 1924, see " FLIGHT " 'for January 22, 1925. Jan. . Eeb. . Mar. Apr. . May . June. Imports. 1924. f£ .2,213 . 920 11,381 . 373 .3,426 .1,219 1925. f£ 3,546985 321 560 190 Exports. 1924. f 52,239 26,349 34,113 56,998 125,138 87,629 1925. r 83,728 85,639 56,881 78,041 74,844 71,009 Re-Exports. 1924. 2,~219 335 509 6,014 4,162 2,115 1925. f£ 291 20 9,355 6,732 15,278 667 JULY 23, 1925 SOGIETY OF MODEL AERONAUTICAL ENGINEERS (London Aero-Models Association) ON Saturday, July 18, the Lady Shelley Cup Competition was held at the Sudbury Ground under very unfavourable flying conditions. The Competition was for Models of the " Dunne " type, using tractor screws, the formula " duration loading " being employed. Considering this was a new type of competition, both the number of entrants and the results were distinctly encouraging. The first three places are given below :— Total Best number Name. Weight. Loading, ^/L" Duration, of points. 1 D. A. Pavely ... 8 ozs. 5-08 2.23 24 sees. 53-5 2 S. C. Hersom ... 7.25 „ 5-29 2-3 19-8 „ 45-5 3 F. deP. Green... 7-0 „ 4-22 2-05 14-4,, 28-8 B. K. JOHNSON, Competition Secretary SrBC ^Af \^ftf \jQ(T SK SK 2K ?H PUBLICATIONS RECEIVED. British Standard Dimensions for Wide-Type Concentric Piston Rings for Automobiles. (No. 5003-1925), April, 1925. Price Is. net ; post free, Is. 2d. British Standard Dimensions for Carburettor Flanges, 2-Bolt Type. (No. 5029- 1925), May, 1925. Price Is. net ; post free, Is. Id. British Standard Method for the Calibration of Carburettor Jets for Aircraft and Automobile Engines. (No. 5030-1925), June, 1925. Price Is. net ; post free, Is. Id. British Engineering Standards Association, 28, Victoria Street, Westminster, London, S.WT. 1. The Ultimate Island. By L. de Giberne Sieveking. George Routledge and Sons, Ltd., 68-74, Carter Lane, E.C. Price 7s. 6d. net. m m m m NEW COMPANY REGISTERED NEWCASTLE-UPON-TYNE AERO CLUB, LTD., 17, Grainger Street,Newcastle-on-Tyne.—Registered as a company limited by guarantee and not having a share capital, with 500 members each liable for one guinea inthe event of winding up. The objects are : The study and teaching of theoretical and practical aerostatics and aeronautics in all its branches ; theconstruction, maintenance and practical running of aircraft in Newcastle- upon-Tyne, or at such other places as may be decided upon, etc. The manage-ment is vested in a Council, the first members of which are : W. B. Ellis, J. H. Boyd, A. H. Bell, J. Bell, B. M. Dodds, P. F. Heppell, L. de Loriol,A. Peacock, N. S. Todd, W. H. Leete, A. E. George—all of Newcastle-on- Tyne. Hon. Secretary, A. H. Bell. Solicitor, A. Rhagg, Newcastle-upon-Tyne. m m m m AERONAUTICAL PATENT SPECIFICATIONS Abbreviations: Cyl. = cylinder; i.e. = internal combustion; m. — motor. The numbers in brackets are those under which the Specifications wil! be printed and abridged, etc. APPLIED FOR IN 1924Published July IS, 1925 15,827. NAAMLOOZE VENNOOTSCHAP INSTITUT VOOK AERO-ENHYDRODYNAMIEKArrangement for rotatable planes working in a current such as variable-pitch screw propellers, etc. (218,997.)20,588. S. A. REED. Air propellers. (235,753.) 21,752. VICKKRS, LTD., and W. F. RABBIDGE. Control of i.e. engines.(235,756.) 22,982. SIEMENS SCHUCKERTWERKE GES. Rotors for asynchronous motors.(222,860.) 23,700. B. BISCHOF and C. HACCIUS. Engine with rotating cyls. arrangedradially. (223,553.) 28,313. D. NAPIER & SON, LTD., and G. S. WILKINSON. • Variable-pitchpropellers. (235,778.) FLIGHT The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address : Truditur, Westcent, London. Telephone : Gerrard 1828. SUBSCRIPTION RATES " FLIGHT " will bt forwarded, post free, at the following raUs i— UNITED KINGDOM $. d. 3 Months, Post Free.. 7 7 6 ., „ ..15 2 12 „ „ ..30 4 ABROAD* s. d. 3 Months, Post Free.. 8 3 6 „ „ ..16 6 12 „ ,, ..33 0 19,532 5,602 382,466 450,142 15,354 32,343 • Foreign subscriptions must be remitted in British currency. 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. Should any difficulty be experienced in procuring " FLIGHT " from local newsvendors, intending readers can obtain each issue direct from the Publishing Office, by forwarding remittance as above. 474
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