Junkers W 33
The Junkers W 33 was a German single-engine transport aircraft. It was aerodynamically and structurally advanced for its time (1920s), a clean, low-wing all-metal cantilever monoplane. Almost 200 were produced. It is remembered in aviation history for the first east–west non-stop heavier-than-air crossing of the Atlantic.
Design and development
The Junkers W 33 was a transport development of the 1919 four-seat airliner, the Junkers F 13. The latter was a very advanced aircraft when built, an aerodynamically clean all-metal cantilever (without external bracing) monoplane. Even later in the 1920s, it and other Junkers types were unusual as unbraced monoplanes in a biplane age, with only Fokker's designs of comparable modernity. Like all Junkers designs from the J 7 fighter onwards, it used an aluminium alloy duraluminum structure covered with Junkers' characteristic corrugated dural skin. The wings had the same span as the F 13, though the platform was a little different, and the length was the same as the F 13FE. The fuselage, though, was flatter-topped than that of the F 13. A large port-side door gave access to the freight compartment. The 228 kW Junkers L5 upright inline water-cooled engined was also the same as in the F 13FE, though much more powerful than the BMW motors of the F 13A, giving improved weightlifting compared with that early model.
W33
W33 may refer to :
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