Cradle of the New Generation Aircraft! JF-22 Ultra High Speed Wind Tunnel has passed acceptance and can reproduce flight conditions at 30 times sound speed
In the development process of various types of aircraft, a large number of simulation flight experiments are required, but it is impossible to actually frequently test fly the aircraft in the sky. Therefore, wind tunnels have emerged, which is equivalent to artificially building a "flying sky" on the ground and is an essential large-scale aerodynamic experimental device for developing aircraft...
Did you only realize that the business class seat was occupied by the crew during the flight? Entrepreneur bombards Air China, Lawyer: Violation of Contract Law
On July 14, Mr. Liu, an entrepreneur, sent a video saying that when he checked in on July 12, he was informed that the A2533 business class seat of Air China purchased several days ago was occupied by the crew...
