Originally Posted by
washoutt
In post #24 I noticed, that the Argosy has a lengthwise kink in the fuselage, probably at the level of the floor. The Fokker F-27 has the same kink. For the F27 it was meant to provide some protection against a belly landing, it contained a strong keel beam. Is it the same for the Argosy?
The other benefit of a 'flatter' bottom fuselage (as opposed to a fully circular one) is that you maximise cargo hold (or cabin) volume while keeping the cabin floor as low as possible. I suspect that this may have been a factor in the Argosy design.