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Aviation History
1928
1928 - 0177.PDF
MARCH 8, 1928 ¥ Ihe Royal &ero Clu of tAe Ux\ited Kir^gdoOFFICIAL NOTICES TO ME.MBER5 ANNUAL GENERAL MEETING THE Annual General Meeting of the Members of the Royal Aero Club of the United Kingdom will be held at 3, Clifford Street, London W. 1 on Wednesday, March 28, 1928, at 6 p.m. House Dinner.— A House Dinner was held at the Club on Wednesday last, February 29. Lord Thomson, Chairman of the Club, presided, and Admiral Murray F. Sueter, M.P., opened the discussion on the influence of Aircraft on Naval Strategy. The following speakers took part in the proceedings :— Captain Edward Altham, C.B., R.N., Mr. Oswald Short, Mr. F. Handley Page, Brig.-Gen. P. R. C. Groves, Mr. C. G. Colebrook, Mr. A. V. Roe and Lieut.-Commdr. G. E. P. How, R.N. ' Schneider Contest, 1929.—The " Schneider " Committeemet on February 29. Present :—Lieut.-Col. M. O'Gorman, C.B. ; Major J. S. Buchanan, O.B.E. ; Commander J. Bird ;H. Burroughes ; Lieut-Col. M. O. Darby ; Wing-Commdr. S. W. Smith, C.B.E. ; H. T. Vane ; Captain C. B. W7ilson,M.C. ; H. E. Perrin (Secretary). In order to comply with the new Regulations, it wasdecided that the Contest in 1929 should be held at a date between August 24 and October 5. As the result of the visit of the Committee to Morecambe, it was decided to carry out an aerial survey of a course in that district as soon as possible. Offices: THE ROYAL AERO CLUB, 3, CLIFFORD STREET, LONDON, W. 1. H. E. PERRIN, Secretary. MORE POWER FROM THE ARMSTRONG-SIDDELEY "GENET IN passing a recent 100 hours' type test,, the Armstrong- Siddeley " Genet " engine has been rated up from 65 h.p. to a normal development of 80 h.p. The accompanying power curve indicates the average of the power curves taken at the beginning and end of the 100 hours' test, from which it will be seen that a minimum of over 87 h.p. was obtained at 2,400 r.p.m. and that the normal 80 h.p. was obtained at rather over 2,100 r.p.m. The Armstrong-Siddeley " Genet " is a 5-cylindcr air-cooled radial engine, following in general design the larger " Jaguar " and " Lynx " engines. It was introduced in 1926 for the Daily Mail Light Aeroplane Competition, and is now being used with considerable success in Australia, Canada, Brazil, France, and other countries. Owing to its light weight, it is particularly suitable for light 'planes, and it has, in fact, been fitted with great success in the leading machines of this class. With this new increase of power, the use of the " Genet " should become even more popular, for its design possesses many points to recommend it. The radial arrangement of the cylinders, for instance, makes for exceptional accessibility of the parts, as well as for very efficient cooling. The fact that the complete engine scales under 200 lbs., however/is the most important point in its favour. The overall diameter of the " Genet " is 32J ins. Then, also, the employment of five cylinders ensures a very even torque, while the generally robust and rigid con- struction of the unit accounts for its smooth running. The constructional features of the " Genet " are, briefly, as follows : One-piece cylindrical crankcase with bolted-on end plates—the front one carrying magneto, oil pumps, and their gearing ; the cylinders are steel with aluminium alloy heads, shrunk, screwed and locked in position, while the pistons are forged from " Y " alloy, the crankshaft is in one piece, and is fitted with balance weights ; connecting rods—master and articulated—are of " H " section. The cylinders have a bore and stroke of 4 ins. <$> <£ " The Duke of Devonshire Prize " Competition THE subject selected this year for the competition for " The Duke of Devonshire Prize " is " The History and Development of the Naval Forces of the Empire, with special reference to the following considerations : the recent experi- ence of the operations of air and under-water craft, an d the utility in the future of line-of-battleships and cruisers." The competition is open to boys of all the leading public schools throughout the country, and three prizes as follows are awarded by the British Empire League for the best essays sent in :—1st : Twenty guineas. 2nd : Ten guineas. And third : Five guineas. The prize was established in 1909 in memory of Spencer Compton, Eighth Duke of Devonshire, first President of the British Empire League. Goggles PERHAPS the most important part of the personal equip- ment of an aviator consist of the goggles—the wearing of which is more a matter of necessity than of personal comfort— and too much precaution cannot be taken in their selection. A very popular type of goggle at present used throughout the CD 88 86 84- 82 80 78 76 74 72 70 )1 / r Prs/B.h F / / IR/Hr *. P IV / / / "GENET' 120 £ 115 lij 110 CD 0-6 0-55 1800 1900 2000 2100 2200 2300 2400 2500 Power curves of the Armstrong - Siddeley "Genet." • :r:. world is the well-known "Luxor" Goggle, manufactured by Messrs. E. B. Meyrowitz, Ltd., of London, New York and Paris. This goggle was designed after very careful research, and conforms to every requirement of the airman and racing motorist. Incidentally, the " Luxor " goggle has the unique record of having been worn by practically every champion of both air and land for the past five years. Bert Hinkler, for instance, wore " Luxor " goggles (No. 6 model) during his solo flight to Australia, while Capt. Malcolm Campbell also wore " Luxor " (No. 4) goggles for his recent world's speed record on the Napier-engined car. The two most popular models of the " Luxor " goggles are those mentioned above—" Luxor " No. 4 made with Triplex glass, and the No. 6 which has curved lenses of ordinary glass. These, and a full range of " Luxor " goggles can be seen at either of Messrs. Meyrowitz's London branches, situated at 1A, Old Bond Street, and 199, Regent Street, London, W.I—or a pamphlet describing these goggles will be forwarded upon request. 157
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