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Aviation History
1913
1913 - 1372.PDF
[/yGHT DECEMBER 27, 1913 THE 80 H.P. BLACKBURN MONOPLANE. ALTHOUGH the doings of the new Blackburn monoplane have not received such publicity as doubtlessly would have been the case had the flights been made in the neighbourhood of one of the well-known aerodromes, hitherto turned out by the Blackburn firm. The fuselage is streamline in shape and triangular in section, and is built up in the form of a lattice girder. The front part is of English ash, and is covered with sheet aluminium, Front view of the 80 h.p. Blackburn monoplane. this machine has nevertheless done a considerable amount of flying in the north of England, and has, it is to be hoped, helped in no small measure to arouse the interest in aviation in that part of the country. A machine of this type, it will be remembered, was delivered to Dr. M. G. Christie in the middle of August and— piloted by Mr. Harold Blackburn—has been flying regulaily since then, the distance traversed aggregating 1,800 miles, while over 120 passengers have been carried. It was this same machine which Mr. Blackburn flew giving it additional strength and reducing the head resistance. The engine is covered over for about five- eighths of its circumference by a beaten aluminium cowl, which is continued to form a scuttle dash. This effectively prevents the exhaust from the engine reaching either pilot or passenger. The main planes are rectangular in form, and of a curvature designed to give maximum lift for a minimum drift. The main spars on which the ribs are built up are of the finest selected straight-grained English ash, Side view of the 80 h.p. Blackburn monoplane. with Dr. Christie as a passenger in the inter-county air race, for a distance of 100 miles, the Cup being won by Blackburn. Constructionally this new machine differs considerably from the older type, and is a distinct advance on anything the spars being machined out of the solid to the most efficient section, and not built up. The webs are of silver spruce cut out to their true form and built up with cottonwood flanges, forming the ribs to which is attached the fabric. These ribs are 1393
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