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Pröckl & Hasselböck Motorschwingenflieger / Flügelschlagflieger
 
Pockl-01
 
The Motorschwingenflieger / Flügelschlagflieger designed by Moritz Hasselböck and Wilhelm Pröckl, and apparently worked on for five years in Vienna, was completed about 1908. The construction of the machine reveals that the flapping wings were not only just flapping in a vertical plane. Pröckl & Hasselböck had realized that in this way the ornithopter would only ascend and descend vertically. To achieve forward motion they devised a method to rotate the wings to another angle with the objective to achieve forward motion or in the event of landing, a braking of the speed of descent.
 
Pockl-02
 
The machine was built to specification by “Automobilfirma Wyner, Huber und Reich” of Vienna. Photos taken on the property of the firm date from July 1908.
 
Pockl-03
 
 
 
 


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