Junkers T 29 29 pioneered the patented Junkers "Doppelflügel" "double wing" control system - whose concept was used through to the Third Reich's Junkers Ju 87 "Stuka" dive bomber - using full span ailerons, later used for both ailerons and flaps, hinged just below the wing trailing edge and fully exposing the entire control surface cross-section to the slipstream, forming a slot between the two surfaces. In normal flight these were used as standard ailerons, but they could be lowered like flaps for landing whilst retaining the differential movement needed for lateral control. The fuselage was flat sided with rounded decking, the Junkers
Junkers EF 128 in World War II only models had been built. It had swept wings which included wood in their construction. There was a projected variant of a two-seater all-weather/night fighter with a lengthened fuselage. Junkers EF 128 The Junkers EF 128 was a high-altitude jet fighter designed by Junkers for the Emergency Fighter Program Luftwaffe design competition during the Second World War. This fighter would be powered by a Heinkel HeS 011 turbojet and armed with four MK 108 cannons, reaching a speed of 1000 km/h at an altitude of 7000 m. The production in series was projected to start around