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Aviation History
1913
1913 - 0117.PDF
FEBRUARY I, 1913. I/SEE] a rudder on a stable system, it becomes of interest to ^consider the possibility of abandoning the tail altogether. This would only be possible in a wing section inherently possessed of weathercock stability and none such appears to be in actual use. On the other hand, the latest research of Eiffel has drawn attention to the apparent existence of this quality in wings of the upturned trailing edge type, which have also been investigated by Mr. Turnbull at his laboratory in Rothesay, N.B., Canada, and sometimes are called by his name. Given an inherently stable wing with reasonable aerodynamic efficiency, and the need for the long tail should disappear, for an elevator near at hand might well suffice to damp a system having so much less inertia ti rotation about its transverse axis. With the removal of the long tail would disappear also the long fuselage whicli at present serves no other purpose than to carry these organs of control and to add a very undesirable amount of weight. Reverting to the use of negative wing tips, and in particular to the Dunne aeroplane on which this principle is in use, the retreated wings of this machine constitute a tail in principle, for they stand back behind the e.g. a very considerable distance. Moreover, it will be observed that the negative angle of the tips in this position constitute a fore and aft dihedral with the positive central portion of the wing, and so introduce the fundamental principle of weathercock longitudinal stability. ® ® ® ® IXe Roc/al &ero Clu of the Ui\ited Kiz\gdoi OFFICIAL MOTICES TO MEMBERS IE Annual General Meeting. The Annual General Meeting- of the Members of the Royal Aero Club of the United Kingdom will be held on Wednesday, March 19th, 1913, at 4 o'clock, at 166, Pjpcadilly, London, W. Notices of motion for the Annual General Meeting must be received by the Secretary not less than twenty-one days before the meeting, and must be signed by at least five members. Wednesday, February 26th, 1913, is the last day for the receipt of notices of motion. Committee. In accordance with the rules, the Committee shall consist of eighteen members. Members are elected to serve for two years, half the Committee retiring annually. Retiring members are eligible for re-election. The retiring members of the committee are :— Griffith Brewer. Prof. A. K. Huntington. Capt. Bertram Dickson, R.F.A. F. K. McClean. Alec Ogilvie. Mervyn O'Gorman. C. F. Pollock. John D. Dunville. Col. H. C. L. Holden, C.B., F.R.S. Any two members of the Club can nominate a member to serve on the Committee, having previously obtained such member's consent. The name of such member so nominated, with the names of his proposer and seconder, must be sent to the Secretary in writing not less than fourteen days before the Annual General Meeting. Wednesday, March 5th, is the last day for the receipt of nominations. Members are reminded that a ballot paper for the election of nine candidates to seats on the Committee of the Club will be forwarded to them at least seven days before the date of the Annual General Meeting. Aviators' Certificates. The following Aviators' Certificates were also granted by the Committee at its meeting on January 21st, 1913 :— 396. Sub. Lieut. Arthur Wellesley Bigsworth, R.N.R. (Bristol Biplane, Bristol School, Salisbury Plain). 405. Sub. Lieut. H. A. Littleton, R.N.V.R. (Bristol Biplane, Bristol School, Salisbury Plain). Public Safety and Accidents Investigation Committee. A meeting of this Committee was held on Monday, January 27th, 1913, at the Royal Automobile Club (by kind permission), a 8 o'clock, when there were present: Col. H. C. L Holden, C.B., F.R.S., in the Chair, Mr. A. K. Berriman, Mr. G. B. Cockburn, Mr. W. O. Manning, and Mr. Mervyn O'Gorman. Erith Accident.—The report on this Accident was drawn up and ordered to be submitted to the Executive Committee with a recom mendation that it be published in extenso. Annual Dinner. The Annual Dinner will take place at the Royal Automobile Club, Pall Mall, S.W. (by kind permission), on Thursday, March 6th, 1913, at 7.30 for 8 o'clock. Gordon-Bennett Aviation Cup. The cup haviog been won by a representative of the Aero Club de France, the race for 1913 will take place in France. The nature of the contest and the exact time and place will be announced later. Each clubaffiliated to the Federation Aeronautique Internationale has the right to challenge the holder, the Aero Club de France, and such challenge must be sent in before March 1st, 1913. The Committee of the Royal Aero Club will select the three com petitors to represent the British Empire, and intending candidates are requested to notify the Secretary on or before February 25th, 1913, of their willingness to compete, if chosen. Applications must be accompanied by a cheque for ^20, the entry fee, which amount will be returned should the entrant not be selected. International Aero Show at Olympia. The International Aero Show organised by the Society of Motor Manufacturers and Traders, supported by the Royal Aero Club, will be held at Olympia from February 14th to 22nd, 1913. In connection with this Exhibition, a section for models will be organised by the Royal Aero Club, assisted by the Kite and Model Aeroplane Association. The Royal Aero Club will offer prizes amounting to ^50 in this section. The entries close on Wednesday, February 5th, 1913, and full particulars can be obtained from the Secretary of the Royal Aero Club. Members of the Royal Aero Club are admitted free on presentation of their membership cards. A room in the Princes' Gallery will be placed at the disposal of the membsrs during the exhibition. 166, Piccadilly. HAROLD E. PERRIN, Secretary. THE ROYAL FLYING CORPS. THE following appointments were announced in the London Gazette of the 24th ult.:— R.F.C.—Military Wing.—Capt. Charles Darbyshire, 4th Battalion the Lancashire Fusiliers, to be a flying officer and to be seconded. Dated November 7th, 1912. Second Lieut. Collyns P. Pizey, Special Reserve, is appointed to the Reserve. Dated January 25th, 1913. Special Reserve of Officers.—The undermentioned to be Second Lieutenants (on probation). Dated January 25th, 1913 :—Francis William Henry Lerwill, Henry Richard Busteed, and Edward Newman Fuller. The following appointment was announced in the London Gazette of the 28th ult. :— Special Reserve oj Officers.— Christopher William Wilson to be Second Lieutenant (on probation). Dated January 29th, 1913. The following appointment was announced by the Admiralty on the 24th ult.:— Lieut. C. L. Courtney, to the Action, additional, as Flying Officer, to date January 7th. ® ® ® ® New Rules for French Military Brevets. THE regulations governing the issue of military or superior brevets in France have again been revised by the military authorities. In future the three practical events will consist of (i) a triangular flight of at least 200 kiloms., with the shortest side at least 20 kiloms. long, and with two landings at predetermined points ; (2) a non-stop flight of 150 kiloms. in a straight line to a point indicated beforehand, and (3) a similar flight but with one stop en route. In the course of these events the pilot must make one flight of at least 45 minutes' duration at a minimum height of 800 metres. In addition there will be a theoretical examination in three parts (1) map-reading, meteorology, &c, ; (2) theory, con struction, &c, of aeroplanes, and (3) principles and working of motors. 117
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