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Aviation History
1911
1911 - 0330.PDF
[fijCHf] APRIL 15, 1911. MODEL PRIZE WINNERS AT OLYMPIA. 1st Prize, Flying Model. W. H. SAVERS (NO. 46). A very small Ding-Sayers biplane, fitted with running wheels to enable it to rise from the ground. The lower and upper planes are both of an elongated diamond shape in plan form but have a proper and inverted dihedral respectively, so that their extremities meet together and form a diamond- shaped gap in elevation. Between the main planes are two triangular-shaped vertical fins, and right in front is an elevator of diamond plan form, having a dihedral angle. At the rear of the main planes are two built-up pro pellers of 4J ins. diameter. The planes, framework and propellers are all mounted on a central tubular girder, which is very efficiently trussed witli wire and struts. This model rises from the ground after a run of a few yards and flies very steadily, covering a con siderable distance for its size. It also flies very well when launched from the hand, and can be so adjusted as to fly in small circles. It will be noticed that a bent wire skid is arranged in front of the model, and this also acts as a shock absorber should the model land suddenly. Waterproof silk is used for covering the wings of this model, which weighs only i£ ozs. complete. 2nd Prize, Flying Model. GORDON JONES DIHEDRAL BIPLANE (No. 35). This model is constructed almost entirely of steel wire, the only wood embodied in it being the main girder carrying the rubbermotor and a central skid 7carrying the forward running- wheel. The main planes, which measure 36 ins. by 6 ins., are cambered and are set at a considerable dihedral angle; they are covered with a very fine and strong silk. The top planes are fitted with two adjustable flaps, while at the centre of the rear edge is a rudder with a surface of 3 sq. ins. Immediately in front of the main planes is an elevator, measuring 14 ins. by 3 ins. A 14 in. rubber-driven propeller is situated immediately behind the main planes. This model weighs about 12 ozs. complete, and has a total sup porting surface of just tinder 500 sq. ins. It rises from the ground after travelling about 5 yards or so, and, rising steadily at first, it finally takes a horizontal path and finishes with a graceful glide to the ground. The use of steel wire for its construction renders this model capable of withstanding a considerable amount of rough usage, in fact, when flying at Olympia during the competi tion, the model collided with someof the girders, and although it received some very hard knocks, no serious damage was sustained. It may be added that the designer of this model also builds models on similar lines in various sizes, and also one of the same dimensions as the prize-winner, where wood is em ployed for the framework in place of the steel wire. Scale drawings of the Ding Sayers biplane; 1st prize flyer. ' Flight " Copyright. Scale drawings of the Gordon Jones dihedral biplane. 332
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