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Aviation History
1929
1929 - 1254.PDF
FLIGHT, JUNE 13, 1929 7J^PI [The E&tor d&sptog, hold himself responsible for opinions expr%§ts6g by..£ottesfohd£nts. The names and addresses of the whitens,, not necessarily for publication, must in all cases accompany letters intended for insertion in these columns.] JUNKERS AT KING'S COLLEGE [2197] In your issue of May 9 you publish on p. 388 a photograph of students working on a Diesel engine at King's College, which appears to indicate training of tech- nical personnel for the crew of R.101. You will be interested to hear that the motor employed at King's College and shown in the photograph is a double-piston Diesel heavy-oil engine of the well-kfiown Junkers construction, which was chosen by King's College because of its excellent qualities for purposes of study. Permit us to draw your attention to this, because it is almost unknown in aviation circles that we have been engaged in the development and construction of stationary, ships' and- other heavy-oil motors since the 'nineties. * JUNKERS MOTORENBAU G.M.B.H. Dessau, May 25, 1§29 ^ ,fci>;...... AIR "TRAMPS" [2198] Jn your esteemed journal of May 9, you refer to our regular freight service between Berlin and London as a " tramp " service. We would point out that the night air services on the Berlin-London and Berlin-Paris routes for the transport of goods are not tramp services, but regular daily services. Only the service on the Berlin-Paris route does not run on Sundays, but is supplanted by a day service which carries passengers and freight. The machines leave Tempelbof, Berlin, at 2 a.m., and arrive after intermediate landings in Hannover, Essen/Mulheim, Dusseldorf and Cologne at 10.45 in London, and 9.45 in Paris. Delivery of articles upon which there is no duty is made on the same day by 1 o'clock. Goods on which there is a duty usually reach their destination bv evening. Through the air-rail services introduced in Germany, towns which either are not on any of the air routes or which have bad air connections, are in a position to make use of the advantages of this special freight service, in that goods from North Germany are sent to Cologne, from East Germany to Berlin, and from South Germany to Cologne. We should be grateful if you would make this matter clear in your esteemed journal. DEUTSCHE LUFTHANSA A.-G. Berlin, W.8. May 29, 1929.* m m m Fifty Years Old WE wish to record our congratulations to the well- known firm of patent agents and consulting engineers, Stanley Popplewell and Francis, of Jessel Chambers, Chancery Lane, W.C.2, which firm is this year celebrating its fiftieth year. During this period the firm's predecessor, Miv W-. W. Popplewell, and later the present principals, Mr.' A. H. Stanley and Mr. E. Lloyd Francis, have built up and maintained a very gratifying reputation, resulting in the appreciation of a large circle of clients. They tell us that it is their intention to maintain, and even extend, this reputation in the future, "and to give the best service to their clients, old and new, based upon professional knowledge and actual experience of practically every phase of patent practice at home and abroad. New Books LEARNING to fly is rapidly becoming the fashion now, and a simple text book on the subject is opportune. Flight- Lieut. Frank A. Swoffer, M.B.E., has written such a book with every qualification for so doing, for he is Chief Instructor of the Hampshire Light Aeroplane Club, and he is daily instructing the new army of pupils, most of whom have no previous experience. His book should be read by all who propose to take instruction, for it will give them an advantageous start, which will immediately win the favour of the instructors, who get very tired of the repetition of unsophisticated questions, although at the same time, for the sake of the pupil, they prefer him to give expression to points that puzzle him rather than nurse them and possibly become a victim of them. Flight-Lieut. F. A. Swofler introduces a slight individual aspect to his method of training which, as we know, is not entirely favoured by all other experts. There was recently a very interesting debate between him and Capt. de Havilland on his (Swoffer's) preference for teaching pupils to fly by feel rather than entirely by instruments. But the question is probably answered by each pupil for himself by his own degree of sensitiveness to the controls. Sir Sexton Brancker writes an appreciaf foreword in this book. The book is called " Learning to Fl V" published by Sir Is&ac Pitman and Sons, Ltd., 7s". 6d I1P/' Mr. Elliott White Springs draws again upon the War experiences of the ""War Birds^'Tor his lafest book w writes his usual vivid American slang jind his stories are not so important as the intimate description of air fighting the combat of skill and strategy between the Germans and the Allies, the war-time machines and their performances and the American airman in action/ The menace of the suporio Fokkers at one period is revealed in his account, and a mas air fight between Camels, Dolphins, S.E.5's and Fokkers is vividly described. The book is called "Above the Bright Blue Sky," published by J. Hamilton,Ltd., price 7s. Qd. net m m m m PUBLICATIONS RECEIVED Aluminium. Its Production and Application. By Edgar T. Painton. A Lecture Given Before the Rugby Engineering Society. The British Aluminium Co., Ltd., Adelaide House King William Street, London, E.C.4. Aeronautical Research Committee Reports and Memoranda • No. 1204. (Ae. 364).—Wind Tunnel Experiments on the Design of an Automatic Slot for R.A.F. 34 Section Bv F. B. Bradfield and F. W. G. Greener. Sept., 1928. Price 9d. net. No. 1215 (Ae. 374).—The Accelerated Motion of a Cylindrical Body Through a Fluid. By H. Glauert. Jan., 1929. Price 9d. net. H.M. Stationery Office, Kingswav London, W.C.2. How to Drive. By the Editor of " The Motor." llth Edition. Temple Press, Ltd., Rosebery Avenue, London, E.C 1 Price 2s. Bd. net. Post free 2s. 9d. Motor Cycling Manual. Sth Edition. Temple Press, Ltd., Rosebery Avenue, London, E.C.I. Price 2s. 6d. net. ' Post free 2s. lOd. Punch Summer Number. May 13, 1929. Bradbury, Agnew and Co., Ltd., 30-34, New Bridge Street, London E.C.4. Price Is. NEW COMPANIES REGISTERED ATLANTIC AIRWAYS, LTD., Avenue Chambers, Southampton Row,W.C1.—Capital £100, in £1 shares. Objects, to manufacture, repair, and deal in balloons, aeroplanes, hydroplanes and airships of all descriptions, andall component parts, etc., to provide and erect aerodromes, landing stations, etc.; to make arrangements for and procure to be carried on air transportservices in all parts of the world, also aviation meetings and exhibitions, etc. First directors :—Sir Algernon Aspinall, 17, Wellington Court, S.W.; Lieut.-Col. Ivan Davson, 12, Bruton Street, W.I ; Air Commodore James G. Weir, 9, Thorney Court, W.8.IMPERIAL AIRWAYS (SOUTH AFRICA), LTD., Airways House, Charles Street, Lower Regent Street, S.W.I.—Capital £1,000, in £1 shares.Objects to establish and carry on in the Union of South Africa and eisewaere the business of an Serial transport company, and in connection therewith,to act as agents for, and in conjunction with, Imperial Airways, Ltd.; to manufacture, repair and deal in aircraft, to provide and erect aerodromes, etc.It is to be regarded as a cardinal principle that the company is to be and remain under British control. m m m m AERONAUTICAL PATENT SPECIFICATIONS I Abbreviations : Cyl. =» cylinder ; i.e. -• internal combustion ; m. » mowThe numbers in brackets are those under which the Specifications will be printed and abridged, etc.) APPLIED FOR IN 1928 Published June 13, 19294,712. J. S. KIRKBY. Aircraft. (311,719.) 14,504. H.M.EDWARDS. Toy parachutes. (311,941.)17,690. A. GARKIXI. Motor compressors for starting i.e. engines. (292,wa.) 17,817. O. KRELL. Mooring-towers and mooring-devices for airship stations. (311,966.) 26,974. H. and M. FARMAN. Speed reducing or increasing gearing, particu- larly adapted for aircraft engines. (298,471.) FLIGHT. The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C.2, Telephone: Holborn 3211. Telegraphic address : Truditur, Westcent, London. " FLIGHT " SUBSCRIPTION RATES UNITED KINGDOM s. d. 3 Months, Post Free 7 7 6 „ „ ..15 2 12 ,. „ ..30 4 ABROAD* 3 Months, Post Free 6 „ „ --16 12 ..33• Foreign subscriptions must be remitted in 3ritisk currency- Cheques and Post Office Orders should be made pi Proprietors of " FLIGHT," 36, Great Queen Street, W.C.2, and crossed Westminster Band. Should any difficulty be experienced in procuring from local newsvendors, intending readers can obtain eae direct from the Publishing Office, by forwarding n above. 494
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