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Aviation History
1918
1918 - 0339.PDF
MARCH 28, 1918. ALBAT«OS. Fig. 22.—Sheet steer spar box and socket for compression tube of theupper plane of the Albatros biplane. The bottom sketch shows the attachment of the_terminals for the interplane cables and struts. These terminals are prevented from rotating by a small rivet as shown in the sectional view. In order to further strengthen the spar at the point where it is pierced by these three bolts, the spar is left solid for a short distance on each side of the box, and packing pieces are inter- posed between the box and the spar, so as to bring it up to an approximately rectangular sec- tion in order to get the bolts coming through the spar and base plate at right angles. In Fig. 23 are shown sections, to scale, of the two main spars, the false spar, and the leading edge. The trailing edge is, as in the majority of German machines, in the form of a wire. Fig. 24 shows the shape and dimensions of the wing sec- tion. As in nearly all German machines, the camber is, it will be seen, extremely great both as regards the upper and lower surface. The precise object of em- ploying such a wing section is not at once apparent, but it should be remembered that generally speaking the German machines carry a comparatively great load per square foot of wing surface, and the probabili- ties are that the section has been designed with a view to enable the wing to support this high load at comparatively •2V- ALEiflT/ZO-, VS Fig. 23 Sections,to scale, of the leading edge, mainspars, and false spar of the Alba-tros biplane. plate has machined in it two recessed circular open- great altitudes, and has therefore probably an excess ings which receive the two terminals for the cables, resistance at lower levels. Fig. 24.—The wing section of the Albatros biplane. 335 H 2
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