4 ms·
It's a matter of cost. It's "easy" to build Mach 2.5 jetliners, but customers actually prefer to fly really, really cheap instead of flying really, really fast.
by nawitus 13y ago
It's a matter of cost. It's "easy" to build Mach 2.5 jetliners, but customers actually prefer to fly really, really cheap instead of flying really, really fast.