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Aviation History
1924
1924 - 0056.PDF
JANUARY 24, 1924 SOCIETY OF MODEL AERONAUTICAL ENGINEERS THERE was a well-attended meeting at headquarters on January 24, when visitors were introduced to the Society. Discussion was opened on the models, exhibited at the Model Engineer Exhibition. Visitors complimented the Society on the excellent models shown, but some of the members seemed rather disappointed on account of the small number that were exhibited. The Competition Secretary read a letter from Mr. Percival Marshall, who pointed out that in certain classes the rules had not been strictly adhered to, but to save any disappoint ment he requested that trials should be held at the earliest possible moment, when he would be pleased to make suitable awards. It was decided there and then to hold flight trials for all Models and Gliders, with the exception of Compressed Air Models, at Sudbury, on Sunday, January 27, commencing at 10 30 a.m. prompt. T'n'e Compressed Air Trials will be tried at Wimbledon on Saturday afternoon, January 26, at 3 p.m. Members' attention is specially drawn to General Rule No. 3. A. E. JONES, Hon. Sec. 2K $ft£ JfijJ gtf MODEL ENGINEER EXHIBITION MOST of the models displayed at the Model Engineer Exhibi tion, just closed at the Royal Horticultural Hall, were of an exceptionally high standard. The model aeroplanes and aero engines, especially, showed a distinct improvement as compared with last year's exhibits. The Society of Model Aeronautical Engineers put up a veiy good display, and we were particularly impressed by the following models : P. Howe's enclosed tractor monoplane (very neat finish and an ingenious undercarriage) ; B. K. Johnson's enclosed fuselage tractor monoplane (25 seconds duration) ; C. A. Rippon's " Farman " monoplane ; S. C. Hersom's hydro-tractor monoplane ; and F. P. de Green's compressed air-driven tractor monoplane. G. Smith (an apprentice draughtsman at Sir W. G. Annstrong-Whitworth Aircraft, Ltd.) exhibited a 5-cylinder radial air-cooled aero engine of exceptional merit, both as regards design and finish. This engine has a bore and stroke of 1£ in. and \\ in. respectively, and is fitted with a 2 ft. 10 in. diameter air screw. It has a maximum speed of 5,800 r.p.m., giving a maximum b.h.p. of 4 -6. As its total weight is approximately 11 \ lbs., it weighs 1\ lbs. per b.h.p., which is a remarkably low figure for a small engine of this type. The air screw gives a static thrust of 31 lbs. The whole engine was designed, patterns made, castings made and machined on a 4-in. Drummond treadle lathe, and the car burettor, sparking plugs and airscrew made entirely by Mr. Smith. K IK K H The " Shenandoah's " Great Adventure ON the evening of January 16 last the large American rigid Airship " Shenandoah," or " ZR.l," which for just on four days had been successfully moored at the steel mast at Lakehurst, N.J., was wrenched away from her anchorage by a violent gale, which had in the meanwhile arisen. It was 7 o'clock in the evening when the airship, with a crew of 21 officers and men on board, broke away and rapidly disappeared into the rainswept darkness. For an hour nothing was heard of the airship, as her wireless gear was temporarily out of action, and wireless messages were sent out to the various amateur radio stations asking them to help locate the airship. In this way several reports were received from various towns round about Newark stating that the " Shenandoah " had been seen drifting fairly low down. Then the airship suc ceeded in transmitting a wireless message, through a broad casting, station at Newark, to the effect that " everything was O.K." and that they were going to outride the storm. For hours the " Shenandoah " fought bravely against the gale until, about midnight, the force of the wind abating somewhat, she was able to make slowly, but surely, for home under her own power—having been carried some 60 miles inland away from her base. Capt. Heinen, the German Zeppelin pilot who was in charge of the ship at the time, eventually obtained complete control, in spite of the fact that the bow of the ship was smashed in, and succeeded in bringing the " Shenandoah " safely back to Lakehurst in the early hours of the Thursday morning, January 17. The airship was greeted with enthusiastic cheers from the personnel at the Lakehurst station, and by 4.30 a.m. she was safely housed in the shed. A brief examina tion was immediately made, and it was stated that little serious damage had resulted, and that the proposed Polar flight, this summer, will not be abandoned on account of this adventur* SIDE-WIND ON January 15, at the Connaught Rooms, the twenty first anniversary of the founding of the firm of H. M. Hobson, Ltd., Vauxhall Bridge Road, was celebrated by a dinner to the directors and various heads of departments, and a number of guests. It was certainly fitting that the " coming of age " of the firm should coincide with the occupying of the Presi dential Chair of the S.M.M.T. by Mr. Hamilton Hobson during the twenty-first year of that Society. It is common knowledge to all, not only in the aeronautical world, but motor world alike, that Messrs. H. M. Hobson have made history, and secured a considerable number of world's records for the Claudel-Hobson carburettor. The fact that many distinguished guests were present at the above function must have afforded much satisfaction to the chairman and his co-directors—who, during the evening, were presented with handsome tokens of appreciation, in the shape of silver cigarette boxes, by the secretary and his colleagues, a delightfully worded speech accompanying the presentation. & SI M & Trade in Russia WE have received the following information from Messrs. King's Patent Agency, Ltd., of 146A, Queen Victoria Street, E.C. 4. Legislation permitting the patenting of Inventions in Russia under the new regime is now in a fair way to being consummated, and the Registration of Trade Marks may, it is hoped, after reciprocal treaties have been concluded, follow subsequently. British patentees and manufacturer^ are advised to be early in the field to secure priority, and thus protect their rights against infringement. The possessions of a patent or trade mark is not only a valuable asset to a business good will, but early protection is a necessary fore runner to the opening up of trade relations and the safeguard ing of industrial rights therein. Messrs. King's Patent Agency will be pleased to furnish further particulars on application. The Napier " Cub " Passes A.M. Tests NOTIFICATION has just been received that the World's largest aero engine—the 1,000 h.p. Napier "Cub"—has been officially accepted by the British Air Ministry. The strenuous nature of the Air Ministry test is well known, including as it does five 10-hour runs at 90 per cent, full power. This is certainly a wonderful achievement on the part of the " Cub," and it speaks well for the excellence of Napier design and workmanship that Britain should hold such a wonderful lead in aero engine construction. JM as MS Ha AERONAUTICAL PATENT SPECIFICATIONS Abbreviations : cyl. = cylinder; IX, >= internal combustion ; m. » motor The numbers in brackets are those under which the Specifications will be printed and abridged, etc. APPLIED FOR IN 1922 Published January 24, 1924 26,119. S. NONAKA. Aeroplanes. (208,792.) 27,548. J. R. SHELLEY. Aeroplane propellers. (208,836.) 28,133. C. DORNIER and DORNIER-METALLBAUTEN GES. Arrangement of parachutes in aircraft. (196,570.) 31,708, RAUL, MARQUIS OF PATERAS PESCARA. Four-stroke cycle I.C. engines. (189,151.) APPLIED FOR IN 1923 Published January 24, 1924 277. Soc. DES MOTEURS SALMSON (SYSTEME CANTON-UNNE). Means for securing thrust-bearings in position. (194,271.) FLIGHT The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address : Truditur, Westcent, London. Telephone : Gerrard 1828. 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