Ott & Schellenberg 1912 Flugmaschine
![]() Heinrich Ott and Schellenberg built their design in 1912 in Zürich Wiedicon (or Wiedikon), Switzerland. Ott is given as 18 years old at the time. The machine was a tractor design with a bird like wing construction. Large flaps (ailerons) are seen on the wings.
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