Short of the revolutionary Burt Rotan wild aircraft designs, airplanes have changed little over the past decades. Winged-cylinder with a propulsion system is how we travel through the air. Unless you have the astronomical budget the military enjoys to design hypersonic aircraft, not for the general public, the choice is simple — airplanes or helicopters. DeLorean Aerospace just announced that its DR7 should fly by the end of 2018. That would shake things up, but is it practical, viable, for real?
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