The 1000 HP traffic airplane of the Zeppelin Works in Staaken Page: 2 of 10
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THE 1000 HP TRAFFIC AIsPLANE OF THE ZEPPELIN WORKS IN
STAAKEN . *
This monoplane, made entirely of duralumin, attained a speed
of 211 km. (130 miles) per hour in its trial flights, with slight-
ly throttled engines.
In the period from May, 19i9, to September, 1920, the Zeppelin
Works at Staaken built a swift traffic airplane, designed by my-
self, equipped with four 260 HP Maybach engines (Figs. 2 to 4).
Its empty weight is 607Z kg., which could be considerably reduced
in building another on the basis of present experience. With a to-
tal weight of 8500 kg., the airplane has the exceptionally high
wing loading of 80 kg/ma, while the load per HP is 8.5 kg. (18.7
pounds). The speed of the airplane was 211 kin/hr. at 100 r.p.m.
below the full r.p.m. of the engine. The four identical engine
units are entirely independent of each other and completely sepa-
rated from the central fuselage occupied by the passengers and
crew. The engines rest on strong duralumin brackets (Figs. 5 to 7)
at the front edge of the wings, each engine driving a propeller
directly, whereby the high speed insures satisfactory efficiency.
On the carburetor side of each engine there is a space in the en-
gine nacelle from which a mechanic, fully protected from the slip
stream, can watch the engine and remedy slight troubles. The en-
* From "Zeitschrift des Vereines Deutscher Ingenieure," June 4,
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Rohrbach, A. K. The 1000 HP traffic airplane of the Zeppelin Works in Staaken, report, September 1921; (digital.library.unt.edu/ark:/67531/metadc53613/m1/2/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.