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Version L 25D: |
Hans Klemm started to construct planes together with Ernst Heinkel. In 1926 year he built his own factory in Böblingene. Aircraft L-25 was his first type made there. It arose by modification of successful type L-20. Aircraft was intended to school and sport usage but also to the training of acrobatics. Construction was all-wooden, two-seated and low-wing with the fixed undercarriage. The first planes were powered by Mercedes engines with output 25 HP but various versions were mostly different in used powerplant - from Salmson, through BMW, Gipy Poorboy, Siemens, Argus up to Hirth HM 60R. The universal usage and facilities of used powerplants with output up to 100 HP enabled large and for the training aircraft surprising series production. This type was in production from 1928 to 1939 and there were build about 600 machines in many versions. Also the modifications with the floats or skies existed. Aircraft gained some air records. It was exported to many countries in Europe.
in preparing
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