Quote:
Originally Posted by richard B
The first was an "experimental forerunner of the D XII , unofficially designated D XI" wrote Peter M. Grosz in "Profile Nr 199 : Pfalz D XII"
The second one was the D.4 (not D IV) the first Pfalz biplane single seat fighter : a failure .
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Agreed on the first. I have seen pictures from another angle. You can tell by the 2 bay wings with balanced ailerons on the upper and the shape of the fin/rudder (identical to EARLY Pfalz DXII but changed after the first 150 or so aircraft.)
I don't know anything about the other 2 pictures, although the rudder on the 3rd pic looks VERY "Halberstadt-ish." Richard is probably correct though, he usually is.