See
http://ntrs.nasa.gov/archive/nasa/casi. ... 003192.pdf
Is a jet airliner with clean aerodynamics feasible? Virgin Global Flyer was a clean, gliderlike jet, and also flew far away, efficiently.
Basically what you want is an airliner that can use very little thrust to achieve high speeds at high altitudes for extended periods?
See
http://ntrs.nasa.gov/archive/nasa/casi. ... 003192.pdf
Is a jet airliner with clean aerodynamics feasible? Virgin Global Flyer was a clean, gliderlike jet, and also flew far away, efficiently.
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