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Aviation History
1910
1910 - 0072.PDF
[/JJGHT] MODEL WORKING DRAWINGS WANTED. [317] Could you or any of your readers advise me where I could procure the working drawing of the Fleming-Williams model mono plane, also the necessary materials for building same. Trusting you will be able to oblige me. Brighton. F. PIKE. PROPELLERS. [318] On p. 30 of your issue of January 8th, an interesting problem is raised by a correspondent on the relative efficiencies of 2-blade and 4-blade propellers respectively. As I have noticed in the advertisements of one of the firms a photograph of Mr. A. V. Roe making a pioneer flight with a 9-h.p. aeroplane in which a 4-blade propeller is used, I should like to ask if the 4-blade pro peller is not preferable to the 2-blade for low powers ? I ask this because I know of no aeroplane making successful flights at such low powers as that mentioned, and in the photograph of the machine the four blades are easily visible. From this 1 assume that the propeller is driven at a low speed, the propellers of most other machines not being visible. St. John's Wood Road. D. A. MACALISTER. BOOKS WANTED. [319] I should be very much obliged if you or any readers of your paper could recommend an inexpensive book dealing with flight problems, more especially with those concerning the curves of the planes. Sutton, Thirsk. J. BENTLEY HANSELL. OIL V. VARNISH. [320] Many of your readers apparently have a difficulty in obtaining a dressing for linen for covering aeroplane models, but I have had considerable success with a preparation of my own that I use, and might give the following hints. The linen may be oiled before putting on the frame, but it is better to shrink it on the frame first, and them with a brush give it one or two coats of oil; generally, one coat will be sufficient. It does not increase the weight to any appreciable extent, as a little oil goes a long way. Varnish is. unsuitable for this work, as it has a tendency to set hard ; oil, on the other hand, is eminently suitable. I have put as many as three and four coats on oilskins without them becoming hard or brittle. The mixing should be governed by the purpose for which the oil is required. For coating the linen with oil I use an ordinary black-lead brush, which, being stiff, spreads the oil very thinly; for a very fine covering, such as silk, a softer brush may be used. The oil I use will readily take any desired colour by the addition of a little colouring, which must be mixed with a 'little boiled oil of the finest quality ; if added in the form of powder the dressing is liable to be thick. A little of any kind of good prepared paint may be used, but it must be of the finest quality. 81, Thornton Road, Bootle. A. TAYLOR. ELASTIC MOTORS. [321] I often notice in your correspondence columns that your readers have trouble with elastic motors. I don't know if it has been mentioned before, but ordinary glycerine is as good as anything for a lubricant to the elastic. Eaton Square. H. C. LAMBERT. FRAMEWORK FOR MODELS. [322] In answer to your correspondent, Mr. L. Mortelmans, re the above, I have made a number of model aeroplanes, and the materials I have obtained in various ways. The woodwork of some of my first models was obtained by purchasing an ordinary blind lath and cutting the same into strips the required thickness. More recently, I have used dowel sticks, 3 ft. long and -ff in. thick. These may be obtained from Borst Bros., Old Street, Shoreditch, 4</. per dozen. My propellers are made from 3-ply, a board of which, 3 ft. by 2 ft., can be obtained from the same firm for 6d. It may be of interest to your correspondent to know that some ot my early models, less the motive power, elastic, did not cost me more than id. altogether. I cover my planes with wax paper (vegetable parchment), obtained from my butterman. Very little power can be obtained with less than 20 yards of elastic. Trusting my information will meet the requirement of Mr. Mortelmans, and be of interest to other readers of your valuable paper. Shoreditch. J. H. WII.KINS. JANUARY 22, 1910. DIARY OF FORTHCOMING EVENTS. British Events. 1910. 1910 Feb 4-5 .. Manchester Ae. C. Model July 11-17 Flight Meeting, place not Exhibition. fixed. Mar. n-19 Flight Exhibition at Aug. 6-13 Flight Meeting, place not Olympia. fixedForeign Events. 1910. Feb. 6-13.. April 2-10 April 3-to April 10-2S May 10-16 May 14-22 May 20-30 June 5-12 June 5-15 June 18-24 Heliopolis. Biarritz. Cannes. Nice. Berlin. Lyons. Verona. Vichy. Budapest. St. Petersburg. June 26-July 10 Rheims. 1910. July 14-24 July 24-Aug Aug. 25-Sept Sept. 8-18 Sept. 24-Oct Oct. 18-25 Oct. 25-Nov Rheims to Brussels, cross country event. 10 Belgium. . 4 Deauville. Bordeaux. 3 Milan. America. Gordon-Bennett Balloon Race. 2 America. Gordon- Bennett Aeroplane Race. NEW COMPANY REGISTERED. Bleriot Aeroplanes, Ltd., 54, Long Acre, W.C.—Capital ;£ipo, in £l shares. First Directors : F. H. Hoare-Ward, W. F. Hoare-Ward and C. Weldhen. BACK NUMBERS OF FLIGHT." SEVERAL back numbers are now very scarce, been raised in price as follows :— No. 2, Jan. 9, containing Table of Propellers ... 3 » 16 4 ». 23 6, Feb. 6 8 „ 20 ,, 10, Mar. 6 ,, 12 ,, 20 ,, 15, Apr. 10 ,, 16 ,, 17 „ 31, July 31 ,, Engines Engines at Paris Salon " How Men Fly" ... and have Price. s. d. ... 1 6 ... 3 0 - 3 6 ... 1 0 Aeronautical Bibliography. Wright Bros.' Elevator Patents. Flying Ground at Fambridge 1 0 Illustrated Glossary. Human Side of Flying ... 1 0 Aero Club Ground at Shellbeach. Military Aeronautics. Souvenir Supplement Engines at Olympia ... Prize List Models at Olympia. Bleriot Flyer (Full page drawing.) Other back numbers, post free, i\d. each ... 1 6 ... 1 0 ... 3 6 ... 2 0 (including descriptions and scale drawings of the Voisin, Curtiss, Cody and Farman biplanes, the Santos | Antoinette, and Grade monoplanes, and of ! Wright glider. BINDING COVERS for Vol. I, price 2s. 3d. TITLE PAGE and INDEX for Vol. I, i^d., Dumont, a full-size post free. post free. Ready shortly. Readers' own copies bound, price 4^. per part (in cluding cover, title postage). VOLUME I, bound numbers, price 25^., complete. page, and index, but excluding complete with all the above scarce post free; in two parts , 283'. 6d., Ready shortly. Prices of special binding on application. FLIGHT. 44, ST. MARTIN'S LANE, LONDON, W.C. Telegraphic address : Truditur, London. Telephone : 1828 Gerrard'. SUBSCRIPTION RATES. FLIGHT will be forwarded, post fiee, to any part of the world at the following rates: — UNITED KINGDOM. ABROAD. s. d. s. a\ 3 Months, Post Free ... I 8 3 Months, Post Free... 2 6 6 „ „ -336,, 5 » 12 „ „ ... 6 6 12 „ „ ... 10 o Cheques and Post Office Orders should be made payable to the Proprietors of FLIGHT, 44, St. Martin's Lane, W.C., and crossed London and County Bank ; otherwise no responsibility will be acceptedL
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