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Aviation History
1911
1911 - 1113.PDF
DECEMBER 23, 1911. two members only having machines, but there was plenty to interest those without. Mr. Hall's model, as usual, was flying high, and" with good duration, 50 sec-, being reached on two or three occasions with 500 turns in the elastic, and ended with Mr. Hall's usual vol plane's. Mr. Smith had a 3 ft. 3jounce model up with a modified Fleming-Williams plane, and a fin which seemed to keep the machine s raight, but no great distances were obtained, owing to the propellers not beiDg suited to the machine, and it is hoped when new ones are fitted that the quarter will be reached. The duration of the club stands at 69 sees., made by Mr. F. Baggs with a 14 in. model. This club is not as yet in running order, but it is hoped in the new year to organise monthly competitions, if enough members are obtained. A gathering as usual on Barnes Common to-day (Saturday), when we hope all intending members will be present with models. This club is forming for youths of 16 and upwards. Reigate, Redhill and District Aero Club (4, LONDON ROAD). AT a general meeting held on Thursday, December 14th, it was decided to hold the first flying meeting on Boxing Day at 2 o'clock on the club's flying ground, Earlswood Common. The committee hope that not only present members of the club will turn out with models, but also that non-members will attend. The committee are now on the lookout for a workshop, and are in hopes of securing premises near the flying ground. More members are wanted and the secretary will be pleased to give any information to intending members. After January 1st, 1912, the club hopes to hold weekly flying meetings and also a series of competitions. Scottish Ac.S. (Model Aero Club) (6, MCLBLLAN ST., GOVAN). ON Friday evening last week the members of the club and friends met in the Institute, Elmbank Crescent, where Mr. Riddock, the club's vice-president, delivered an excellent address on " Internal- Combustion Engines." During the evening Mr. Graham passed round for inspection parts of the model petrol-motor he is making, and Mr. Rankin brought a card model of a float-carburettor, which showed very clearly the working of this very important part of the engine. These two gentlemen also added a few remarks on valves and carburettors, respectively. As the subject of the petrol motor covers such a large field for discussion, it was decided to keep open several dates for further lectures on it. On Saturday the weather was very bad, and only a few turned up for practice at Ibrox. Notwithstanding the high wind and rain, Messrs. Ross and Graham made some excellent flights. Mr. Gordon had out a new machine, the main plane of which was enlarged to scale from a paper glider. After a few good flights, the model struck the palings on the outside of the ground, smashing up the new plane very completely. Several of the members also visited the Barrhead Aerodrome, but, owing to the adverse weather conditions, no flying was seen. By the kindness of the manager they were allowed to inspect the interior of the l/TiGHT hangar, and were much impressed by what they saw. It has been decided to visit Barrhead again on New Year's Day, and a big attendance is looked for. The next lecture will be given on January 12th, 1912, at 8 p.m. Further particulars will be given in FLIGHT. There will be flying, as usual, at Ibrox to-day (Saturday), and also every Saturday until further notice. Sheffield Model Aero Club (35. PKNRHYN ROAD). THE annual general meeting of the above club will be held on Friday, December 29th, at 8 o'clock p.m. prompt, at the Wentworth Cafe, Pinstone Street (opposite St. Paul's Church) when the report of the Club's doings during the past year will be read, also the balance sheet will be placed before the members. A circular-letter from the Kite and Model Aeroplane Association re affiliation will be read to those present. The Secretary will bring forward the certi ficates and subscription cards which have been proposed by the com mittee. The election of the following will take place for the ensuing year :—Hon. President, Hon. Vice-President, Hon. Treasurer, Hon. Secretary, Hon. Assistant Secretary and a committee of seven, besides the enrolling of new members. No member will be allowed to participate in any of the privileges or advantages of the club or be entitled to vote at the meeting whose subscription is in arrears. On the 23rd August the subscription was reduced to sixpence per month in view to increasing the membership. Those wishing to join the above will be welcomed at this meeting. The club hope to have a permanent field next year as an aerodrome. Worcester Model Aero Club (VICTORIA INSTITUTE, WORCESTER). A MEETING was held in the club room on Saturday, 16th inst., when it was resolved to appoint an assistant secretary, Mr. E. W. Harrison being elected for that office. Several models were brought for inspection by the memberf. An animated discussion took place on "Fuselages" and "Types of Models," after which the secretary, Mr. Stanley A. Sears, gave a very interesting address on " Propellers and Elastic Motors." The next meeting will be held on Boxing Day, on Pitchcroft Flying Ground, at 10 a.m. The first of a series of competitions will take place on Saturday, January 6th, when a large turn-out of models is expected. SCHOOL AERO CLUB. Southgate County School Aero Club (84, BOWES ROAD, N.). ON Friday and Monday evenings last members have shown great keenness by putting in plenty of work in the workshops. On both evenings several have stayed for a couple of hours after after noon school, entirely oblivious of the fact that "tea-time" was becoming a thing of the past. Owing to the shortness of the dayl;ght in the afternoons, the Friday flying meetings have been cancelled, with the result that the compstition for the longest flight before end of term has had to be abandoned. ® ® ® ® CORRESPONDENCE. The name and address 0/ the writer (not necessarily for publication) MUST in all cases accompany letters intended for insertion, or containing queries. Correspondents communicating with regard to letters which have appeared in FLIGHT, would much facilitate ready reference by quoting the number of each letter. The Military Aeroplane. [1447] At the discussion before the Aeronautical Society on Monday, one important topic was, I believe, not referred to (and the multiplicity of speakers allowed me no opportunity of referring to it). The question that I should like to see authoritatively answered is : " Are military aeroplanes likely to be used at night ? " There is much to be said both in favour and against such use, but a definite decision would have an important bearing on the design of future machines. Thus, if it be agreed that they will have to be used after dark, the question of whether they should carry a searchlight or luminous bombs has to be considered. Such machines need not be armoured (nor do I think it possible in any case for them to be efficiently protected), and probably it would be unnecessary to carry arms. On the other hand, if it be decided that their use by night is not likely to be of advantage, then secrecy is practically out of the question, since in daytime a machine in the sky must always be conspicuous. Then silencing the engines, a point on which much stress was laid, seems unnecessary. There are many other points in this connection that could be discussed, which I hope will be duly considered by the authorities. B. BADEN-POWELL, Major. A Disclaimer from Capt. Fulton. [1448J I see that in the December issue of Aeronautics I am credited with speaking at a lecture delivered at the Royal United Service Institute on November 15th. I was not present at that lecture, and the views which I am made to express are diametricaly opposed to those I hold. I therefore venture to ask you for this opportunity of disclaiming them, and also the fact that I delivered an oration at all. The practical business of flying leaves me no time to get up lecture subjects, even were I able or inclined to do so. Salisbury. J. D. B. FULTON, Capt. R.F.A. The Filey Disaster. [1449] With reference to the regrettable Filey disaster, it appears to me that the sudden strain on the wings under such circumstances is under-estimated, even by Mr. Blackburn. Considering the machine at the instant of flattening out, the attitude of the machine is suddenly changed from 65* (accepting Mr. H. C. Hunt's value) to a horizontal position. Now the machine at this instant is still travelling in the same line of motion owing to its inertia. The initial effect of straightening out being to vary the inclination by an increase of 65* (in this case). The pressure on the plaaes momentarily becomes P = RV* sin 0(65"), = -006 x 2002 x -906 (approx.), =217 lbs. per sq. ft., or something like 50 times the normal load. The total pressure on the wings at this instant becomes over 28 tons, and the corresponding stress twice I 121
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