![]() ![]() ![]() Apparently, what the gathered pilots considered ‘a perfect three-pointer-landing’. However, the Bf 109 prototype was damaged on landing and ended up in a somewhat embarrassing pose of being perched tail-high on the nose, the one intact undercarriage leg, and a wing tip. Upon arrival over Rechlin, Knoetzsch engaged in aerobatic manoeuvering to impress the assembled crowd. On 15 October the Bf 109 was flown by Knoetzsch to the Rechlin test facility for the final evaluation contest. ![]() Power for the prototype Bf 109 V1 first flight at Augsburg-Haunstetten with 27-year-old Hans-Dietrich ‘Bubi’ Knoetzsch at the controls on was provided by the 695 hp RR Kestrel engine, but the V2 that followed four months later had a 610 hp Junkers Jumo 210A. Since the originally foreseen German engines Jumo 210A and DB 600 were not ready then. In this context it is worthwhile to mention that in due course not only an U.S.-GE daughter company got seriously involved in steam aero engine developments (as discussed in the following), but to a much more comprehensive extent the Russian plan economy in which between 1932–1939 eleven major aero engine projects were installed from 11 research institutions, comprising 34 project years with in the end a significant waste of resources,-see Harrison, The Political Economy of a Soviet Military R&D Failure. While the British-German negotiations were always closely accompanied and finally stopped by the Air Ministry, nothing is known about the set-up on the German side with respect to government involvement which of course can be taken for granted as well. Besides this ‘unsolicited proposal’ from Vorkauf to ASM, there is also reported, that ASM’s interest stemmed from the request the aircraft manufacturer Short Brothers had made for a high-power engine for their new seaplane,-see Lawton, Parkside, p. Herpen and Heinrich Vorkauf, Berlin, patents ‘Steam generator’, DE643,143, priority and ‘Steam generator with rotating heating surfaces’, DE612,627, priority 10 Jan.1932, and-see Kay, German Jet Engine, ‘Vorkauf’s Drehkessel (rotating boiler) gas turbine unit’, p. ![]()
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