"But can you land it?"Īirplanes tend to be most challenging to fly at the lower speeds encountered during takeoff and landing. "It’s great that it’s more fuel efficient at 35,000 feet," he said. But the challenge according to Wells are the airplane's flying characteristics at the other end of the flight envelope. With the entire aircraft adding to the lift side of the equation, the blended wing-body design provides greater efficiency at high-altitude cruise speeds. ![]() ![]() These boundaries on the graph define the flight envelope. Pilots and engineers often describe an airplane's capabilities by referring to the edges of its performance plotted on a graph. The result is a bulbous, triangular fuselage - with plenty of room to seat passengers or carry cargo - instead of the tube fuselage design of traditional aircraft. Blended wing-body aircraft combine the efficiency of a flying wing, where the entire fuselage of the aircraft creates lift with small wings to aid stability and control.
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