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Aviation History
1909
1909 - 0171.PDF
MARCH 27, 1909. aero motors, and it is to this pattern that the E.N.V. (London and Parisian Motor Co.), the Pipe (London Motor Garage), and the Renault (Renault Freres), belong. The principle of opposed horizontal cylinders is adopted in the design of the Dutheil-Chalmers engine, which Capt. Windham exhibits ; and the Miesseaero motor belongs to the horizontal radial type, the crank-shaft in this latter case being vertical. The Gobron aero-motor represents the letter " X " in appearance, and embodies the well-known Gobron double-piston principle, and the R.E.P. (Bessler- Waechter) engine?, as our readers know, belong to the semi-radial type. For models and small experimental work generally, Messrs. Ripault exhibit a specially light motor of i^-h.p., which is water-cooled. These will be illustrated and dealt with more fully in next week's issue of FLIGHT. At present, what may be described as the accessory section of an aero show has not developed to any great degree of magnitude, although its importance is hardly less on that account, since such goods as come under this heading are in the nature of essential appurtenances for a flying machine. There is the surface material for instance ; no flyer can fly without a suitable covering to its framework, and we anticipate that, as the art pro- gresses, so will this department of the trade expand. At present it is in a few good hands, the best known in this country being, of course, the Continental Tyre and Rubber Co., of whose fabric full particulars were given in FLIGHT on January 30th. Newcomers to this country are the Hutchinson Co., who have, however, had some two years' practical experience with their aero cloth in France, where they are contractors to the Government. Of their wide range of materials full particulars will also be given in an early issue of FLIGHT. The Rub Metal Co. also exhibit aeroplane fabrics which are made in France. Propellers are for the most part constructed by the manufacturers of the flyers, but Messrs. Ludw. Loewe and Co. have taken up the agency for the wooden Helice Integral, while the Beedle propeller on the International Rotary Motors stand and the much-talked-of Hollands propeller on the N.E.C. stand are also among those which may at present be described as unattached. Radiators are shown by the Motor Radiator Manufac- turing Co., who make the Zimmerman Radiator, Brown, Hughes, and Strachan (Crown Radiator), and by Messrs. Lamplough; who have evolved a particularly light design. Messrs. Rubery Owen are making a speciality of tapered oval section steel struts for biplanes, and the Steel Barrel Co. undertake the construction of special petrol tanks. Leo Ripault and Co. exhibit a substitute for aluminium which they claim to be an entirely new metal, and to possess remarkable properties. Special woodwork, outside the exhibits of complete machines, is not in great evidence, but Messrs. T. W. K. Clarke have a collection of Burgoins hollow spars which are distinctly interesting. Last but not least there are the numerous beautifully made instruments exhibited by Elliott Brothers, who have all sorts of devices calculated to assist the experimenter in collecting accurate data as he progresses in the art of flight. As in connection with the Paris Aero Salon, each exhibit of importance will be dealt with separately by us, but the foregoing resume will serve as a comprehensive indication of what Olympia contains. There is, of course, another section of the Show besides that dominated by the flyers and their appurtenances. There is that department of aeronautics which is not heavier-than-air, but the exhibits representative of this side of the movement are not extensive although in the presence of the Wellman airship they are doubtless far more interesting than might have been expected. The Wellman airship is the vessel with which a fruitless attempt to reach the North Pole was made two years ago from Spitzbergen, and with which another effort in the same direction is impending, at the moment when the news comes to hand that Lieut. Shackleton has almost reached the South Pole, another triumph, it may be assumed, for the motor car. Of the spherical balloons one is made by the Continental Co. with their special fabric, another by Short Brothers, and there are other details of balloon and airship equipment shown by Spencer Brothers. Special engines for dirigibles are shown by Messrs. Clement-Talbot and the Wolseley Co. ; the former motors being of the same make as those used with the Bayard-Clement airship purchased by Russia, and in the Italian military dirigible. " Flight" Copyright Photo. AERO SHOW AT OLYMPIA.—General view of " Delagrange No. V," which is exhibited by Mass Cars. Thisflyer is of Voisln construction, but has no side-curtains between the main planes, which are themselves less far apart than on the latest:Voisin machines. 173 D 2
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