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Aviation History
1923
1923 - 0492.PDF
W*(^B& AUGUST 16, 1923 landing speed seems optimistic. When folded the machinecan be, and in fact has been, transported along a road towed behind a motor-cycle, with the tail skid resting on the carrier. Udet Flugzeughau, Munich.—In our issue of July 13, 1922,we published an illustrated description of the Udet single- seater monoplane, the first type to be produced by the UdetFlugzeugbau of Munich-Ramersdorf. On March 1, 1923, an article was published, with scale drawings and photographs,dealing with the Udet two-seater. Thus we can claim to have kept our readers well informed regarding the productions ofthis comparatively young German aircraft firm. At Gothen- burg Udet was represented, on the stand of Baumer AeroG.M.B.H., by a new- two-seater monoplane, which may be said to be a direct descendant of the two types previouslydescribed, inasmuch as most of the general features of the earlier machines have been retained in the latest type. Themain modification is found in the type and power of the engine fitted. Whereas the single-seater and earlier two-seater hadflat twin Haacke engines of about 30 h.p., the latest machine, exhibited at I.L.U.G., is fitted with a five-cylinder Siemensradial air-cooled of 60 h.p. From the accompanying illustrations it will be seen that thenew Udet two-seater monoplane is of rather more pleasing appearance than was the older type. The long, straight linesand small radii of wing and control surfaces have been replaced by shorter straight lines and larger radii, with the result thatthe lines look better, quite apart from the fact that they probably are better aerodynamically. Another change whichhelps to improve the appearance is that the two occupants are now installed in two separate cockpits in place of the largecommon cockpit of the previous type. Constructionally the new Udet follows the methods already ON THE UDET MONOPLANE : This sketch showsthe unusual exhaust collector ring into which the gases are passed tangentially, and from which they emerge inthe same manner, through a single long exhaust pipe on the starboard side. established. The fuselage is ply-wood covered over a light wooden framework, and the wing has two box spars of large dimensions (the wing being fairly thick in proportion to the chord). Although the monoplane wing possesses a large dihedral angle, it is built in one piece, the spars resting in notches cut in the lower part of the fuselage, and located by THE UDET MONOPLANE : On the left, a view from above, and on the right a front view showing the low wing position. UDET TWO-SEATER 55/60 i-P SIEMENS ENGINE V ' 5 r~l) V ; ' ~l THE UDET MONOPLANE : General arrangement drawings to scale. 492
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