blended wing body
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DFS 40 (originally developed as the Delta V) (1939) was a tail-less research aircraft designed by Alexander Lippisch in 1937 as a follow-on to his Delta IV aircraft. In construction, the DFS was more like a flying wing than its predecessor, and was intended to provide a comparison with that aircraft.
The Horten XVIIIB had a large central fin and rudder with the crew accomodated at its base behind a glazed leading edge and was an effort to produce an Bomber which could reach the USA Six HeS-011 Or Six Jumo 004H turbojets Speed :630mph Range: 6150mi Armament: 4x MG213 - remotly controled 30mm canon - 8818lb of bombs
CF-XX Super Arrow Next Generation Stealth Interceptor concept aircraft.