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“US hopes to fly first aircraft without external mobile controls in 2025” | Daily list

The United States has begun building the first aircraft to demonstrate a new method of flight control that does not use external moving parts. It is expected to fly in 2025.

The Defense Advanced Research Projects Agency (DARPA) has selected Aurora Flight Sciences, a subsidiary of Boeing, to demonstrate the feasibility of using active flow control actuators to build a full-scale, unmanned X-65 aircraft. For Primary Flight Control (AFC) . The award is Phase 3 of the Control of Revolutionary Aircraft with New Effects (CRANE) program.

In December 1903, the Wright brothers flew the world’s first fully controllable airplane, which used wing distortion to achieve successful flight. Since then, virtually all aircraft use a system of movable external control surfaces for flight control.

This and the plane of the yaw. Eliminating external moving parts will reduce weight and complexity and improve performance.

The X-65 will be built with two sets of control actuators: conventional flaps and rudders, as well as AFC effectors integrated into all lifting surfaces. This will minimize risk and maximize the program’s understanding of control effectiveness. Aircraft operations with conventional control surfaces will serve as the basis; Subsequent tests will instead selectively block moving surfaces using AFC effectors.

The new aircraft, weighing more than three tonnes, will have a wingspan of 10 meters and will be capable of reaching speeds of up to Mach 0.7. Its weight, size and speed, similar to those of military training aircraft, make flight test results immediately compatible with real-world aircraft designs, DARPA reported in a statement.

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