And then you end up with some old fuselage and setup just with new wings and engines?
Any truly new airplane will be constructed with automated manufacturing in mind, made from new materials and with latest systems layout, aerodynamics and such integrated into one concept from the beginning. This is how you get the maximum efficiencies.
Some legacy 767 might be good enough for today and as a freighter but not for tomorrow. Boeing therefore should invest in something truly new not an update. The 767 fuselage diameter will always be too small for lower deck LD3 pairs.
I agree we need more workhorse airplanes again like the 767 was. Made for easy operations low operating cost, robust, simple and a little less fancy all together.
Last edited by Less Hair; 30th Apr 2020 at 09:39.