DARPA moves ahead with radical vertical takeoff aircraft
The Defense Advanced Research Projects Agency took one step further in building a radically different vertical take off and landing or VTOL aircraft that can fly fast and carry a big load.Specifically DARPA awarded Aurora Flight Sciences the $89 million prime contract for Phase 2 of the agency’s Vertical Takeoff and Landing Experimental Plane (VTOL X-Plane) program which looks to: Achieve a top sustained flight speed of 300 kt-400 kt Raise aircraft hover efficiency from 60% to at least 75% Present a more favorable cruise lift-to-drag ratio of at least 10, up from 5-6 Carry a useful load of at least 40% of the vehicle’s projected gross weight of 10,000-12,000 pounds +More on Network World: The iconic Boeing 747 is almost 50!+To read this article in full or to leave a comment, please click here