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Aviation History
1915
1915 - 0490.PDF
f/OGHTJ JULY 9, 1915. THE RUMPLER-TAUBE MONOPLANE. ALTHOUGH at the present time the Germans are not using the Taube type of monoplane so much as at the commencement of hostilities, they have not entirely abandoned them, and in fact efforts are being made to bring them more into line with other types of monoplane operate in an upward direction only, so that a downward reaction is presented on the side of the higher wing. Cable bracing is employed top and bottom, the cables in each case being anchored to pyramids of tubular steel struts mounted above and below the body respectively; Three-quarter view, from the front, of the Rumpler-Taube monoplane. as regards speed. This is especially noticeable in the case of the Rumpler-Taube, which is described in the following notes. Viewed from this standpoint, the prominent features of the Rumpler-Taube will be seen to consist in the absence of the girder understructure bracing the wings—a dis tinctive characteristic of nearly all Taubes—the hinged balancing flaps, and the orthodox type of tail planes in place of the original flexing plane. Though somewhat modified, the main planes still have the Zanonia form, and in addition they are very slightly swept back. The angle of incidence decreases towards the tips, where the balancing flaps present a slight negative angle of inci- the underbracing is thus quite independent of the under carriage, and should the latter become strained the adjustment of the planes is not disturbed. Ash and American white pine are employed in the construction of the main planes, which are built up on two main spars situated fairly close together. Portions of the planes adjacent to the pilot's cockpit are cut away in order to provide a view below. The tail consists of a triangular stabilizing surface, in two portions mounted one on either side of the body, and two elevator flaps hinged similarly to the balancing flaps, i.e., at an angle. The vertical rudder is mounted between the elevators with a triangular vertical fin in front. Three-quarter view, from behind, of the Rumpler-Taube monoplane. dence. An interesting point in connection with these balancing flaps, which have an area of 15 sq. ft. each, is that they are hinged along an axis forming an angle with the transverse axis of the main planes. They also The body is rectangular in section, tapering to a vertical knife-edge at the rear. Ash is the material employed in its construction, and the portion forward of the cockpits is covered with sheet metal, and that aft 490
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