> I'm sceptical. Boeing, Lockheed Martin and Airbus have all investigated this exact concept over the last few decades, and none have gone forward with it. Air

> I'm sceptical. Boeing, Lockheed Martin and Airbus have all investigated this exact concept over the last few decades, and none have gone forward with it. Airbus has the ZEROe program to look at the future of aviation that is ramping up and should have tech demonstrators flying in the 2030s, exploring all sorts of options like open fan engines, hydrogen(-electric) propulsion, radical designs, etc. One of the concepts is the "Blended-Wing Body".