@Ergi The ad-1 rotary wing aircraft was created by Robert Jones, an aeronautical engineer of NASA. Jones works at NASA's Ames Research Center in moffield, California. Through wind tunnel experiments and his analysis, the results show that the fuel efficiency of the hypersonic transport aircraft with "rotating wings" is more than twice that of the traditional transport aircraft.
@qwerty132 the 1 is forward
+4the 2 is back up
the 5 is open the launch load
the 6 is control the radar
（sorry，my English is worse…）
@AircroftDesign Thanks😁
+1@Eiro This is just ajoke in Chinese Tiktok😁
+1I need some encouragement
@ktlxingchen 应该不会玩（滑稽）
烂尾了
哈哈
@Ergi The ad-1 rotary wing aircraft was created by Robert Jones, an aeronautical engineer of NASA. Jones works at NASA's Ames Research Center in moffield, California. Through wind tunnel experiments and his analysis, the results show that the fuel efficiency of the hypersonic transport aircraft with "rotating wings" is more than twice that of the traditional transport aircraft.
【5】:star the engine
【4】:back up