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Aviation History
1931
1931 - 1124.PDF
FLIGHT, OCTOBER 16, 1931 THE INDUSTRY The Salmson Triumph THE first British Salmson aero engine has just passedits type test. This is the A.D. 9, which is the English version of the little 9-cylinder Salmson which we have seenover here flying in the Monospar and several Klemm machines. It is now fitted with dual ignition, and passedthe type test rated at 48/54 h.p. with normal revs, of 2,100 and maximum revs, of 2,300. This is a particularlypraiseworthy effort, as it is the first engine to pass the type test since the regulations have been modified, for nownine hours of the last ten-hour period have to be run on full throttle as a form of detonating test. This littleengine has already given exceptional satisfaction in England, and, now that it is a British product, we hopethat it will be even more widely used. For the growing class of private owners who do not make a fetish of topspeed, but wish to have an economical aeroplane such as the Comper Swift, although in this case they get the topspeed as well, or, for example, a Klemm, the 50-h.p. Salmson is undoubtedly the right engine. Parker Pen Publicity " Puss Moth " MR. A. F. D'YDhWAi.i.F. has just returned to HestonAirport after completing a European tour of 30,000 miles in the " Puss Moth " aeroplane purchased from BrianLewis & Co., Ltd., by The Parker Pen Co. Decorated by Airwork Ltd. with a giant representation of a fountainpen on each side of the fuselage, this machine has during the last month visited the following places:—Amsterdam,Hanover, Berlin, Dresden, Konigsberg, Danzig, Kovno, Warsaw, Czernowitz, Cecuit, Bucharest, Burgas, Constanti-nople, Sofia, Budapest, Zagreb, Vienna, Munich, Prague, Brunn, Zurich, Berne, Lausanne, Geneva, Basle, Paris,Brussels, Antwerp and Ostend. Mr. d'Ydewalle, who is incidentally believed to be the first Englishman to carryout an extensive commercial tour of this kind, states that it has been signally successful, and that in almost everytown he visited he obtained valuable free publicity from the Press. Redwing Sales THE Redwing Aircraft Co., of Stafford Road, Croydon,Surrey, have now organised their sales depots in prepara- tion for a big push next year. Fit. Lt. Russell, salesmanager, has now taken up his residence at Colchester, and from the Blue Barns Aerodrome will look after thewhole area north of London. Mr. Payne has been stationed at Salisbury and will care for the area south ofLondon from High Post Aerodrome. The Redwing Co. realise that service is the most important part of sellingany particular article, and of aircraft in particular. They have, therefore, at both of these stations, men who areready to go out on any Redwing job at any time of the day or night, whatever the weather. In a similar way thefactory and head office at Croydon will service the London area, at which place Mr. Pike is in charge. All Redwingowners have been given a 'phone number which they can call up at any hour of the day or night, and arrangementsare such that when possible spares or a mechanic are immediately flown to wherever they are required. Should itbe at night, or when the weather does not permit of flying, then motor cycles will be utilised for this purpose. TheRedwing is certainly already finding a niche in British aviation, for the Scarborough Club, the Eastern CountiesAeroplane Club, 1he Wiltshire Light Aeroplane Club and the L.G.O.C. Club all use Redwings, while the number ofprivate owners having these machines is growing steadily. The machine itself is admirable for club flying, since bothits easy controllability and low landing speed make it just the machine for people to learn on, while the sociability ofits side-by-side seating is a great attraction to the private owner. Rustproofing THE problem of adequate protection from rust andcorrosion is one of prime importance, to the aircraft manu- facturer, and, in fact, to all those whose products are usedin or on aircraft. A system which has been found successful in a large number of cases, and which is used forthe protection of many parts, is " Parkerising." This process, patented by the Pyrene Co., Ltd., of the GreatWest Road, Brentford, Middlesex, is a system whereby iron and steel parts can have the surface converted into aninsoluble phosphate which is impervious to rust under all ordinary conditions. The process is simple and the plantrequired by no means costly. Tt is only necessary to clean the metal, immerse in the Parkerising solution, which ismade by dissolving Parco Powder in boiling water and finally finish by the application of oil or any other recog-nised finish. An advantage of this process is that rapid movement of the parts is unnecessary, slowly turning ihemover while being submerged for 60 min. being quite sufficient. No caieful control of the solution strength isrequired, and the whole process may therefore be operated by unskilled labour. Of particular interest to aircraftmanufacturers is the fact that Parkerising in no way affects shape, temper, magnetism or the physical properties of themetal, nor is there any growth, so that fine limits art not impaired. PUBLICATIONS RECEIVED Henson and Stringfellow: Their Work in AeronauticsBy M. J. B. Davy, A.F.R.Ae.S., Board of Education Science Museum. London: H.M. Stationery OfficeW.C.2. Price 5s. net. Report of the Director of the North-West Territoriesand Yukon Branch, 1929-30. Department of the Interior, Ottawa, Canada.The Secret Squadron. By Laurence La Tourette Driggs. London: John Hamilton, Ltd. Price 7s. 6d. net.A Manual of Rigging for Aircraft. 1931. Air Publica- tion, 1107. London: H.M. Stationery Office, W.C.2.Price 4s. 6d. net. The Air Annual of the British Empire, 1931-32. Editedby Squadron-Leader C. G. Burge. Aldershot and London Gale & Polden, Ltd. Price 21s. net. NEW COMPANIES REGISTERED THE AUTOMOBILE RACING ASSOCIATION. LIMITED, 22, SurreyStreet, Strand, W.C.2. A company limited by guarantee, without share capital, with uu unlimited number of members, each liable for £\ in the event 3 or personmotor boat or aeroplane racing, sports or development, etc., with the object governors are to be appointed by thssubscribers. Secretary: A. C. Read. WILLOUGHBY DELTA CO., LTD. Capital £1,500, in £l shares. Acquir-ing inventions and processes for use in connection with aeroplanes, airships and aircraft generally. Secretary: J. H. Gadsden. AERONAUTICAL PATENT SPECIFICATIONS Abbreviations : Cyl. = cylinder ; i.e. = internal combustion ; m. =» motorsThe numbers in brackets are those under which the Specification will be printed and abridged, etc.) APPLIED FOR IN 1930 Published October 15, 1931. 18,304. J. G. NAVARRO and M. A. NAVARRO. Aircraft wings. (357,162-1 B,502. P. H. LINDLEY. Apparatus for signalling and other display purpose for use on aircraft. (357,183).18,893. J. G. NAVARRO and M. A. NAVARRO. Aeroplanes, etc. (357,247 19,224. H. R. RlCAKDO. Starting of i.e. engines of the compression-igniti"type. (357,262). 25,383. J. PINTSCH AKT.-GES. Beacon lights for air traffic. (357,351).29,966. R. S. STEPHEN. Aerial navigating compasses. (357,386). APPLIED FOR IN 1931 Published October 15, 1931. 6,473. FIAT SOC. ANON. Landing-gear for aeroplanes. (357,476). FLIGHT, The Aircraft Engineer and Airships. 36, GREAT QUEEN STREET, KINGSWAY, W.C.: Telephone (2 lines): Holborn, 3211. Holborn, 1884. Telegraphic address: Truditur, Westcent, London- SUBSCRIPTION RATES POST FREE UNITED KINGDOM s. 3 Months 86 „ 12 16 33 d. 3 6 0 UNITED STATES 3 Months $2-206 „ $440 12 „ $875 OTHER COU 3 Months 6 12 N'TRI 17 35 * Foreign subscriptions must be remitted in British currency. Cheques and Post Office Orders should be made pnydto the Proprietors of " FLIGHT," 36, Great Queen ?tre<Kingsway, W.C.2, and crossed " Westminster Bank. Should any difficulty be experienced in procun" FLIGHT " from local newsvendors, intending readers c>obtain each issue direct from thfl Publishing Office, by 1 warding remittance as above. 1054
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