Professor Henrich Focke, through his development of the Fw 186, and through his work on the C.19 and licence-built C.30 autogyros, came to the conclusion that the limitations of autogyros could be eliminated only by an aircraft capable of vertical flight, the helicopter.
O profesor Henrich Focke, a través do seu desenvolvemento do Fw 186 e do seu traballo cos autoxiros C.19 e o construído baixo licenza C.30, chegou á conclusión de que as limitacións dos autoxiros só poderían eliminarse cunha aeronave capaz de voar en vertical, o helicóptero.