Junkers J 12
(second known usage of designator no. 12)
passenger airliner, design of late 1918 / early 1919, not built
4 seated cantilever monoplane, corrugated duralumin construction
designed by
Reuter




Historical Data:

Following the surrender of the German Forces in November 1918, Hugo Junkers advised Mader and Reuter to think of a civilized version of the Junkers J10 aircraft. Initial modifications were made on one of the J10s, which were still under production for IDFLIEG in December 1918. This aircraft was equipped with a hood above the rear seat. In this configuration the aircraft served the initial air traffic for Junkers Luftverkehr in March 1919. But it was obvious, that such wartime conversions would not fullfill the demand for economic passenger aircraft. Therefore in December 1919 Reuter was asked to start a complete redesign of the J10 as a passenger airliner. The type designator J12 was used for this redesign project.

Reuter designed the J12 as four-seated aircraft. Most parts of this design were taken from the J10, like the wing, the rear and front parts of the fuselage and the undercarriage. The new design feature of the J12 was a new center fuselage, which was wider and higher than on the J10 and which should accomodate the cabin for passengers and the pilot seat. This J12 design was already available in January 1919, but a cabin mockup showed, that the demands for passenger convenience could not be fullfilled with the small J12 cabin. Therefore the complete J12 design was aborted and a new design was started under the designator J13.

Technical Data:
Aircraft year engine length
in m
span
in m
wing area
im sqm
net weight
in kg
payload
in kg
seats speed
in km/h
range
in km
J 12 1919 Mercedes IIIa (118kW) 8,25 12,25 25,00 n.a. n.a. 1 pilot 170 n.a.


Further reading at other Sites:
Angelika Hofmann's Junkers F13 Page (in German language, very detailled)


Updated:
25th December 2002
The Hugo Junkers Homepage
at http://www.junkers.de.vu
Horst Zoeller, Germany, July 1996
hugojunkers@yahoo.de

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