After completing an 80-flight test phase that proved a tailless flying-wing aircraft could be controlled safely at low airspeed, NASA expects to fly a modified version of Boeing’s X-48B blended wing-body demonstrator in about a year to test a revised configuration and additional capabilities. The X-48C has the vertical tails moved inboard and fuselage extended aft to shield the noise from two turbofan engines, which will replace the three turbojets powering the subscale, unmanned X-48B. ...

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