Designed for efficiency, the D8 has a very wide fuselage to provide extra lift and low-swept wings to reduce drag and weight.
Designed for efficiency, the D8 has a very wide fuselage to provide extra lift and low-swept wings to reduce drag and weight. A team led by Massachusetts Institute of Technology developed this future subsonic aircraft concept for NASA and a subscale model is now being tested in an MIT wind tunnel.Credit: NASA/MIT