German Independent Designers

richard B said:
From the Bruno Lange books : Sächsische Flugzeugindustrie GmbH (Dresden) (SFI) Gammelin Ga1 "Kombinations-Flugzeug"

Two seater , the 9,70m wing can be enlarged to 12,95m , and it can get side windows to close the cockpit becoming then sport/school/travel plane .

Vmax 175 km/h . Hirth HM 60 R-1 engine . It was tried at Rechlin in 1934 .

Picture : from Herr Karlheinz Kens :

View attachment 643330
Click to expand...

That aircraft is interesting as it was designed by Erich Gammelin. He was a successfull production manager at Dietrich- and Raab-Katzenstein-facility in Cassel and Crefeld during the 20s and he continued to work with Antonius Raab until 1932. When both separated from each other, Gammelin became technical director of S.F.I. in 1934. Initiallx I expected, that the S.F.I. Ga.1 was some kind of further development of the RaKa RK9 Grasmücke, however, Kens picture shows a completely different design.

By the way, Gammelin left S.F.I in Feb. 1935. The company was dissolved in 1937.
 
Суперавиация и суперартиллерия 1929.
 

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... not quite, sorry.
The Industriewerke Heiligenbeil GmbH were a subsidiary of the Schichau-Werke Elbing (mainly known for their shipyrads, but also busy in the field of locomotives, and other "heavy metal"), and worked as a repair shop for aircraft and aviation engines. So, the staff their had to have a profound knowledge of aviation matters, nevertheless, I didn't find any indigenous aircraft design.
This photo is described as "flying models from the apprentices' training workshop", so certainly NOT representing any true aircraft design, though they are decorated with iron crosses. ;)
 
Jemiba said:
... not quite, sorry.
The Industriewerke Heiligenbeil GmbH were a subsidiary of the Schichau-Werke Elbing (mainly known for their shipyrads, but also busy in the field of locomotives, and other "heavy metal"), and worked as a repair shop for aircraft and aviation engines. So, the staff their had to have a profound knowledge of aviation matters, nevertheless, I didn't find any indigenous aircraft design.
This photo is described as "flying models from the apprentices' training workshop", so certainly NOT representing any true aircraft design, though they are decorated with iron crosses. ;)
Click to expand...
Indeed: Building model aeroplanes (and other models) was part of the apprenticeship training. But very interesting nevertheless.
 
Mr. Vorschlag Schehak and his tandem airplane project.

Sanger

Designs made by Sanger rocketplane
histaviation.com
 

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richard said:
This design was shown in "Der deutsche Sportflieger" 1936 in an article by Adolf Piskorsch (Odrsch bei Troppau) about the "Schwingenflieger"
Troppau was in the "Sudetenland" a country of Czechoslovakia , where the people spoke German .

The sketch shows a proposal of 1934 for a man powered aircraft with "rotating and pulsating" wing ends .

Here two more proposal by PISKORSCH : (source "Flugwesen" 1 and 5 1934) (Flugwesen was published by the "Verbande Deutscher Flieger in der Tschechoslowakischen Republic")
Click to expand...

Model-1 and Model-2,

- Piskorsch Model 1 (Czechoslovakia, circa 1930s), 1930s | Wright State University

wright.libraryhost.com wright.libraryhost.com
 

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