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Aviation History
1927
1927 - 0984.PDF
still have been necessary even inhere had been no contest for the Schneider IS Harry Brittain : Is it not right that we should not forget.the Whole- hearted hospitality of the Italian Government to the entire team during.therr stay there ? ,, Lieut.-Colonel Heneage : Was not the expenditure on these aeroplanes well Worth it in view of the impetus given to British trade ? d Sir P. Sassoon : Yes. Airship R.100MR. VIANT asked the total structural Weight, with the proposed passenger accommodation, of the airship R.100 ; how this weight compares with tnemaximum weight allowed in the contract for this airship ; if the scheme 01 factors for safety as laid down in the Report of the Airworthiness of AirshipsPanel has been closely adhered to in the design of this airship ; if the two scientists Who have been examining the plans of the two airships have con-cluded their examination of the R.100 ; and if formal approval has been given to the design of this airship ? , . ,Sir P. Sassoon : I am reluctant at this stage to give estimated figures whicn may subsequently have to be modifi«d ; but on the information supplied tome by the company it does not appear likely that the total fixed weights of R.100, including passenger car and fittings, will exceed the contract figure of90 tons. The two scientists who are investigating the airworthiness ot the two airships cannot complete their investigation of R.100 for some months, butso far it appears that the factors of safety laid down in the Report of the Air- worthiness of Airships Panel have been fully adhered to. Isacco Heliogyre Machine . COLONEL DAY asked how many aeroplanes known as the Isacco rtelio- gyre have been acquired or are being built; and what was the approximate cost ?Sir S. Hoare : The Air Ministry has purchased a plan of the machine referred to, and the right to build one aircraft of this type, but no such aircralthas been acquired and it will be some time before sufficient technical prepara- tion can be made, in conjunction with the inventor, for building a machine ;the second part of the question does not arise. AIR MINISTRY NOTICES Rules for Flight over Air Routes1. As the result of a recent decision by the International Commission for Air Navigation, certain amendments to paras. 31 and 33 of Annex D, SectionIII, of the International Air Convention, dated October 13, 1919, will be brought into force as from February 10, 1928.2. The amended paragraphs will then read as follows, all alterations from the original text being printed in italics :—31. In order to obviate the increased risk of collision which exists on air traffic routes, the following rules shall, so far as it is safe and practicable, beobserved when flying on or in the vicinity of such routes : (a) Every aircraft when//yj»g by compass along the straight line rhumb line)joining two points on an air traffic route in common use, shall keep such line at least 500 metres on its left.(b) Every aircraft following an air traffic route, which has been officially recognised, shall keep such route at least 300 metres on its left.(c) Every aircraft which, in the vicinity of a route frequented by aircraft, is following a line of land-marks such as a road, railway, river, canal orcoastline, &c, shall keep such line of landmarks at least 300 metres on its left. d) An aircraft shall not fly keeping any of the lines or routes above referredto on its right, except at a distance therefrom sufficient to avoid aircraft ' following such lines or routes in accordance with these rules.(e) When crossing one of these lines or routes above referred to, an aircraft shall cross it at right angles as rapidly as possible and as high as reason-ably practicable. 33. Every aircraft in a cloud, fog, mist or other conditions of bad visibilityshall proceed with caution, having careful regard to the existing circumstances.Every aircraft when flying beneath clouds shall always do so, so far as it is safe and practicable, at such a distance below the clouds as willenable it readily to see and be sun. 3. An amendment to the Air Pilot, pages 19 and 20 (Revised), will be madein due course. No. 97 of 1927. Code to be Employed for Abbreviating W/T Route Traffic Messages tIN order to relieve congestion on the 1400 metre W/T route traffic service the following code for the abbreviation of routine departure and arrivalreports will be put into force as a trial measure during the present winter season, and will become operative as and from the date of publication of this Notice :— CODE TO BR EMPLOYED.Plain language. Code letters. Departure .. .. • • • • • • .. DArrival A Paying passenger PPNon-paying (free) passenger .. .. .. PF Official (service) passenger .. .. .. PS Mails POPostal packages .. .. .. .. .. COPO Freight FRETFlying material .. .. • • •. • • MA Baggage •. . • BAGPerishable goods FRET CRUP Live stock AVIDeparture delayed on account of weather .. DRET TEMPS Departure delayed on account of engine . . DRET MOTDeparture delayed owing to wait for connection DRET ACORR Departure delayed on account of lack of aircraft DRET MAMAWhen stating the town of destination of the aircraft in these reports the code letters for towns given on pages 14-15 of the revised Appendix to theAir Pilot, in connection with the code for the through booking of seats by W/T, will be employed. METHOD OF CODING AND DECODING. Departure reports will be coded by an aerodrome official responsible forthis duty ; similarly, arrival reports will be decoded by this official, and the messages passed to the Air Transport Company or aircraft owner " en clair."The sequence in which information is given in these reports will be as stated on page 12, sub-paras. 4 (i) and (ii), of the revised Appendix to the AirPilot; further, the information concerning the load of the aircraft will be given in the order indicated in the code, e.g., paying passenger, official (service)passenger, etc. No. 99 of 1927. DECEMBER 29, 1927 THE SOCIETY OF MODEL AERONAUTICAL ENGINEERS New Wakefield Cup THE current issue of the journal of the Society of Model AeronauticalEngineers contains the rules for the cup presented to the Society by Sir Charles Wakefield for international competition. Through **g»^y™"* able for the first time in this country to consider the holding of international model aeroplane competitions. General rules for all future competit ons have been drawn up together with rules for the competition which will beheld in this country in 1928. . , £ ,Each country may enter, through a recognised society, a team of not more than six models, the cup being held by the miming society while a cashprize will go to the entrant of the winning model The first competition will be for duration of flight, and each entrant will be allowed three flights.Any type of model driven by any kind of power plant may be used provided the total weight of the model is not more than 11 lbs., and that the squareroot of the maximum cross-sectional area of the fuselage JS not less tnan one-tenth of the length of the model from nose, to tail. The competitionwill probably be held during June or July. .. This notice is, of course, only preliminary to a longer one, Dut it is as wenthat model makers should know of the competition as soon as possiDle, ana be given the essential parts of the rules. Though the team for this countrywill be chosen by the S.M.A.E. (by eliminating trials before the date of the competition) entrants need not be members of that society, .turtnerparticulars will be issued as soon as possible by Mr. S. H. F. Crouch, Secretary of the Society. PUBLICATIONS RECEIVED Woodworker Series Table Designs. Living Room Furniture Designs. Evans Bros., Ltd., Montague House, Russell Square, London, W.C.I. Price 25. 6d. each net. Pocket Diary for 1928. Adlard and Son, Ltd., 21, Hart Street, Bloomsbury Square, London, W.C.I. Aeolus, or The Future of the Flying Machine. Major O. Stewart. Kegan, Paul, Trench, Trubncr and Co. Price 2s. 6d. net. Annual Report of the Board of Regents of the Smithsonian Institution, for the Year ending June 30, 1926. Smithsonian Institution, Washington, D.C., U.S.A. Modern Aircraft. By Major Victor W. Page. The Norman W. Henley Publishing Co., 2, West 45th Street, New York, U.S.A. Price $5.00 net. Aeronautical Research Committee Reports and Memoranda : No. 1072 (Ae. 254).—The Characteristics of Certain Aerofoil Sections for Infinite Aspect Ratio. By A. S. Hartshorn, B.Sc. November, 1926. Price 9d. net. No. 1102 (M.50).— The Undercooling of Some Aluminium Alloys. By Marie L. V. Gayler, D.Sc. May, 1927. Price Is. 9d. net. H.M. Stationery Office, Kingsway, London, W.C.2. Bulletin du Service Technique de I'A&ronauiique. No. 7. Resultats d'Essais Aerodynamiques. By Paul Puvrez. October, 1927. Service Technique de l'Aeronautique. Chaussee de Waterloo, Rhode St. Genese, Belgium. AERONAUTICAL PATENT SPECIFICATIONS Abbreviations: Cyl. = cylinder; i.c. = internal combustion ; m. = motor.The numbers in brackets are those under which the Specifications will be printed and abridged, etc.) APPLIED FOR IN 1926Published December 29, 1927 16,474. FORD MOTOR CO. Airplanes. (255,052.) 23,019. AIRSHIP GUARANTEE CO., LTD., B. N. WALLIS, and C. D. BURNEY.Lighter-than-air aircraft. (281,419.) 25,905. A. ROHRBACH. Lamps or searchlights for aircraft. (260,576.) 21,444. H. JUNKERS. APPLIED FOR IN 1927Published December 29, 1927 Centrifugal governors. (281,580.) FLIGHT, The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C.2. Telephone : Gerrard 1828. Telegraphic address : Truditur, Westcent, London. " FLIGHT " SUBSCRIPTION RATES 3 6 12 UNITED KINGDOM Months, >> ,, s. Post Free.. 7 ..15 ..30 d. 1 2 4 3 6 12 ABROAD* Months, Post Free s. .. 8 ..16 ..33 d. 3 6 0 * Foreign subscriptions must be remitted in British currency. Cheques and Post Office Orders should be made payable to theProprietors of" FLIGHT," 36, Great Queen Street, Kingsway,W.C.2, and crossed Westminster Bank. 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 asabove. 886
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