Extreme commercial designs: people won't to fly on it, but they exist on the drawing board. Let's show it!
(Collani designs are very wellcome...and would be great to learn how it is supposed they can fly. Any engineer wants to give help?

To start the topic, I add the following:
From Spanish science magazine Conocer (1992 I think). It could be a translation from French Magazine Science et vie
1. Airbus flying wing from 1987. This design was compared against the A310 but it seems that no advantages were found because all Airbus airliners share the same configuration. Personally, I find this design extremely beautiful.
A couple of Lockheed spanloader cargo designs on the background.
2. Lockheed spanloader design
3. Airbus early 380 configuration.
From Aviation Magazine International Nº 575 December 1971
4. Boeing Spanloader