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Aviation History
1918
1918 - 0372.PDF
APRIL 4, 1918. AN ALBATROS FIGHTING BIPLANE. (Continued from page 336.) IN our last issue the general construction of the wings of the Albatros was dealt with, and we intend to supplement the information then given in our present issue with some of the more interesting constructional details of the wings. Fig. 26 shows some details of the upper left-hand wing near the tip, and also the general arrangement of one of the ailerons. As will be gathered from the sketch at the top of Fig. 26, the wing flaps are built up of steel tubing throughout, and each aileron is balanced by a forward projection, not, as in the Gothas, outside the tip of the main wing, but working in an opening in the main plane. As in nearly all German machines, the aileron is not hinged to the rear main spar, but to a third false spar situated between the rear main spar and the trailing edge. The method of hinging the aileron will be clear from the detail section and elevation'at A. A steel clip is bent over the tube of the aileron and has its forward ends bent into grooves in' wood blocks on the front face of the spar, much in the same manner as was employed in the case of the elevator hinge and described when dealing with that member. As in the case of the elevator the fabric covering of the wing flaps is attached to wood blocks screwed to the tube. The crank lever for operating the wing flap is in the form of an elliptical section tube tapering towards its ends. Each half of this crank lever carries three wiring clips, as shown at B. It will be seen that by providing three clips on each end instead of one, a means for varying the gearing of the wing flap control is furnished. If a pilot wishes the machine to be fairly sensitive on the lateral control he will naturally attach his wing flap cables to the inner clips, since thereby a movement of the control lever will result in a larger movement of the wing flap. On the other hand, if he prefers to have a large movement on his control lever without too great corresponding angu- larity of his wing flaps or ailerons, he will attach his cables to the outer clips, as this will result in a " gearing down " of the wing flap. The forward end of the wing flap crank lever works ****** •v 'A '''//"'' • >;' ' / / iL'HJUlUJUJliilii =====jd o ao o O oo o oo o J o £>i.a O Fig. 25.—The spar box and its attachment to the fuselage of the Albatros fighting biplane. 368
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