DFS 40
The DFS 40 was a tailless research aircraft designed by Alexander Lippisch as the Delta V in 1937. The DFS 40 was a more advanced design than the previous DFS 39 (Delta IV), and was built for comparison with that aircraft.
The DFS 40 was a tailless research aircraft designed by Alexander Lippisch as the Delta V in 1937. The DFS 40 was a more advanced design than the previous DFS 39 (Delta IV), and was built for comparison with that aircraft.
The DFS 40 was a tailless research aircraft designed by Alexander Lippisch as the Delta V in 1937. The DFS 40 was a more advanced design than the previous DFS 39 (Delta IV), and was built for comparison with that aircraft.
Source: Wikipedia "DFS 40" · CC BY-SA 4.0
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