Junkers J15

experimental aircraft, 1 built, F/F 4th Sept. 1920
1 seater highlever monoplane, corrugated Duralumin construction

Historical Data:

A lot of design studies by
Dr. Mader were developed, when the F13 design work was finished. In August 1919 a single-seated sport aircraft was purposed, as well as three-seated passenger aircraft. Both designs showed the highlever monoplane design, which was first used for the Junkers Parasol during WW I. While the sport aircraft design got low priority, the three-seated cabin aircraft was further investigated. At first Junkers and Mader decided to design this small passenger aircraft as a cantilever version, but Philipp von Doepp proved the better aerodynamics of a highlever monoplane in windchannel tests, so the design was changed.

To get more experience with the highlever monoplane design, an experimental aircraft was built under the designator J15. On September, 4th 1920 the prototype (c/n 525) was ready for its first flight. Due to Allied investigations at Junkers Flugzeugwerke, the aircraft was moved to the Netherlands and it seems, as if the first flight was not performed before January, 25th 1921 by Zimmermann. The J15 proved von Doepp's idea of a highlever monoplane design and the final decision was made to built the three-seated passenger airliner in that way under the designator K16.

Technical Data:
Aircraft year engine length
in m
in m
wing area
im sqm
net weight
in kg
in kg
seats speed
in km/h
in km
J 15 1920 Mercedes IIIa (118kW) 8,00 11,00 17,00 430 282 1 pilot +
2 pass.
145 700

Further Reading at the Hugo Junkers Homepage:
Junkers Production List

6th January 2003
The Hugo Junkers Homepage
at http://www.junkers.de.vu
Horst Zoeller, Germany, July 1996

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