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Aviation History
1910
1910 - 0270.PDF
I/PGHTI blades are adjustable; while among the line drawings •will be found detailed sketches showing the construction •of the main girder, of the principal planes, and of the propeller, in addition to the full page that contains scale drawings of the kind that we have made peculiarly our APRIL 9, 1910. own. Wherever possible, dimensions have been added to these line drawings, and hence it is unnecessary to repeat this extremely valuable information in the text. (To be concluded^) BADDECK NO, 2 BIPLANE. FROM two photographs which we reproduce herewith a very good idea can be obtained of the " Baddeck No. 2 " biplane, with which Messrs. Baldwin and McCurdy have been experimenting (or some time at Dr. Graham Bell's * Two views of "Baddeck No. 2" the biplane with which Messrs. McCurdy and Baldwin have been experimenting at Baddeck, Nova Scotia. laboratory at Baddeck, Nova Scotia. It will be seen that wing tips are still used for correcting lateral stability and steering, although they are somewhat different in shape to those used on the " Silver Dart " machine, which, it will be remembered, was the forerunner of " Baddeck No. 2." They are about 5 ft. by 5 ft. in size, and hinged near their front edges, and are controlled by means of a fork fitting around the aviator's shoulders. The main planes are of 40 ft. span, and have a chord of 7 it. at the centre, gradually diminishing to 5 ft. at the tips. Fifteen feet in advance of the leading edge is fitted the biplane elevator, the surfaces of which are 12 ft. by 28 ins., placed 30 ins. apart, and the tail, mounted 11 ft. behind the main plane, is of exactly similar size. Steering is effected on a somewhat similar system to the Curtiss machine, a fore and aft movement of the steering-wheel adjusting the elevator, while twisting the wheel operates the vertical rudder. A single propeller of 7 ft. 8 ins. diam. and 6 ft. pitch is fitted, and is chain-driven in the ratio of 3 to 5 from a 6-cyl. water- cooled Kirkham motor of 40-h.p. The radiator consists of thirty flattened tubes 7^ ft. long by 3 ins. wide and •£§ in. thick, and they are curved and arranged in a similar way to the main planes, so that they are practically self-supporting when travelling through the air. The photos were taken while the machine was flying over the Bras d'Or Lake, and are reproduced from our contemporary, the Scientific American. AT CANNES AVIATION MEETING.—Crochon flying on a Henry Farman biplane, and passing over Christlaens' machine at rest. The latter, on March 31st, on his Henry Farman, covered 2*2 kiloms., one tour of the aerodrome, in 1m. 343s., a speed of 84*25 k.p.h., which it is sought to have established as an official speed record. 268
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