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Aviation History
1918
1918 - 0512.PDF
MAY 9, 1918. THE FOKKER TRIPLANE. Continued from page 476.) FROM Fig. 1 (see page 474 in last week's issue) it wing attachment, but these are supplementary rather will be seen that in the front portion of the body than departures from the universally adopted scheme, the strutting is so arranged that the usual diagonal As we have already mentioned, the rectangular wire bracing becomes superfluous, the tubular struts section of the main body of the Fokker triplane is' being arranged in a series of triangles which by them- partly streamlined in front by superstructures oooooooo selves render the structure rigid. As a consequence the anchorage tubes differ somewhat from those employed in the rear part of the body. Generally speaking they take the form of straight tubes welded over the angle formed by adjacent struts, and instead of lying in a transverse plane, as do the rear ones, they are in the same plane as the sides of the body. As for the attachment of the struts themselves to the longerons, this is practically the same as that employed in the rear part of the body, i.e., by butt-welded joints. Here and there one finds additional fittings for receiving chassis struts or OSide view 'of the Fokker triplane. ° O ,'...'. • • O o o o oooooooo secured to the sides and top of the body. These fairings take the form of triangular sheets of thin three-ply wood, attached to the upright struts of the body by means of short distance pieces of spruce and by aluminium clips, as shown in Fig. 3. The middle spruce rail of these fairings, it will be seen, runs back slightly farther than the top and bottom ones, and its rear end is not attached to the body except in so far as it rests against one of the body struts. Apparently the tension of the fabric body covering is relied upon to keep it in place. Reference will be made to the armament of the Fokker triplane Fig. 3—Sketch showing the three-ply fairings and their attachment on the Fokker triplane. brackets for the two machine guns should be noted. The fork end
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