Ah,what happens to those engines at high alpha? [I remember watching the Vulcan land]. Reverse thrust...Not until the nose wheel is down. Spoilers? Noise
over the paxs' heads,
As Mr R said
but this has to be the shape for longrange, high capacity aircraft
.
I think [without Googling] that Westland Aviation had a "similar" concept in the late 20/early30s, albeit with [obviously] piston engines. And there have been many concepts of the Broad/blended fuselage/wing aircraft. Yet it has not [as yet] been taken up.
watp,iktch