Aw, c'mon - you didn't expect the bar of the resident expert to
stay at the same level, did you? 
Yeah, looking at the designs on Luft '46, those guys knew what they
were doing. They were perhaps limited only by the materials
technology at the time, and in some cases, electronics (a la X-29
controls for FSW).
Oh, and don't forget the Saturn V, grandson of the V2! 