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THE design of this type was based on the idea of constructing an aircraft capable of carrying out cruising and recreational flights with vanishingly small engine power, i.e., low fuel consumptionIn addition, the machine should also be usable as a glider in suitable terrain In the construction of this aircraft, the experience gained from Rhön glider flights was used to the greatest extent. This is not a glider with a built-in auxiliary engine, but the experience of glider construction wasonly used for the purpose of the production of this light motor aircraft. The fuselage is made entirely of plywood. The chassis is relocated to the fuselage except for the wheels. There are no struts or other protruding parts that could be damaged during the Ianden. The surfaces are completely self-supporting in a single-spar design with a plywood nose
Great importance is attached to high structural strength, but the total weight of the machine ready to fly, including fuel for 4 hours, is only about 187 kg.
The aircraft is equipped with a four-stroke engine of 696 cm 3 cylinder capacity. When dismantled, the dimensions
are so small that the machine can be easily accommodated anywhere. The space requirement is then 1.20X1.20X5.- m.The
test flights of the machine, which were also carried out in stormy weather, have shown excellent flight characteristics; even under the most unfavorable conditions, the machine was completely in the hands of the Führer. As a result of its cheap purchase price, its robust design, the convenient accommodationand easy flying handling, the apparatus offers a relatively cheap option.
Testing and Successes At this point, reference should be made
to the first major inspection of the aircraft at the German Aviation Research Institute, Berlin-Adlershof, which aroused general admiration at home and abroad. The aircraft was prepared in a few minutes for take-off in Babenhausen, provided with the necessary fuel and then covered the considerable distance
of about 500 km in a period of only V/t hours to Berlin, also under extraordinarily slow weather conditions. The high performance of the machine is sufficiently
proven by its great successes in the air tournaments and competitions held from autumn 1924 to spring 1925. A prelude to its successes can already be seen in the excellent testing of the machine during the flight days held in Frankfurt am Main in September 1924, during which, as the press very aptly reported, the aircraft had shot the bird. After this testimony to its impeccable probation, the aircraft also took part in the 1924 German Air Competition held in Darmstadt from 27 to 30 September a few weeks later. What great achievements This type in this competition is largely known through the daily press as well as through sporting reports. Led by the successful
pilot Borsch, the aircraft, which is also known as the "little dragonfly", was awarded 4 honorary prizes alone, which extended to his achievements in speed flight with message drop, high-altitude flight with curve gliding, skill flight and above all to his sensational successes in five-country flight and
South German reliability flight.
These successes are followed by the aircraft's top performance during the Zugspitze flight on 31 January 1925 in Garmisch-Partenkirchen
The machine was crowned with the 1st prize at this flying event. In this connection it must be taken into account in particular that on this flight it was also in fierce competition with the best designed equipment of prominent aircraft companies equipped with more powerful engines.