The key to successful flight is to build a plane with "mechanism". At this point, there are many records in China's ancient history books. There is a story in the ancient book Shan Hai Jing: Once upon a time, there was a strange country in the west. People in that country can hunt birds and make flying cars. People can take a speeding car and fly away with it. When Tang, the founding monarch of Shang Dynasty, was in power, a westerly wind blew, bringing foreigners and flying cars. 10 years later, a shareholder wind blew people and flying cars back. In this story, people not only stop pinning their hopes on the flying "dragon" they have never seen before, but also stop relying on the gods. They want to make an instrument that can fly in the wind by themselves.

By the turn of the Spring and Autumn Period and the Warring States Period in China (at the beginning of the 5th century BC), production technology was further developed, iron tools were widely used, and the preliminary principles of mechanics, physics and military engineering were also mastered. On the basis of these thoughts and materials, birds made by Mozi (about 486 BC-about 376 BC) appeared. It is said that the great philosopher Mozi once led more than 300 disciples to study the principle of flight. It took three years to make a flying wooden bird, which was called "bamboo magpie" or "wooden kite" in ancient books. This matter is recorded in many ancient books in our country. However, some people attribute the credit for making wooden kites to Lu Ban, the most famous craftsman in the Spring and Autumn Period. We believe that wooden birds, whether made by Mozi or Luban, can fly for a day or half. In short, it reflects that the first airplane appeared in China more than 2,300 years ago. Zhang Heng, a great scientist in the Eastern Han Dynasty, also made a "wood carving". The biggest feature of this "woodcarving" plane is that its abdomen is equipped with an "organ". As long as the organ is activated, it can fly for miles alone. Zhang Heng designed machinery as the power of flight for the first time, which is an amazing experiment.

In the Tang Dynasty, Han, a talented craftsman, made an extremely exquisite aircraft. Once, he first made a flying "dragon bed" for the emperor, which almost scared the emperor. Later, he made a flying machine shaped like a bird, which can drink water, eat and sing. What's even more amazing is that as long as the machine is turned on, it can fly very high in the air, rising by about 100 foot, and the flying distance is about four or five hundred feet. Han Zhi lived in the Tang Dynasty, which was an era of rapid development of cultural science in the history of China. According to ancient records, other craftsmen at that time could make wooden chickens and cranes, some could dance and some could fly. These exquisite wooden objects reflect the high achievements of Chinese working people in woodworking technology in the 1980s and 1990s, and also reflect that the research and discussion on flying technology at that time had reached a quite high level.

After the Song and Yuan Dynasties, China recorded making "missiles" and "hot air balloons". As early as the beginning of14th century, the working people in our country invented the earliest "missile" on the basis of making kites and gunpowder arrows. The "flying thunder cannon against thieves" and "flying crow with divine fire" recorded in Military Preparation are the embryonic forms of modern missiles. The invention of these flying firearms should occupy a very important position in the history of world flight. From gunpowder to rockets to missiles, this is a great contribution made by our working people to the cause of human flight. In addition, balloons related to flight have long been invented by working people in our country. It is said that in the 10 century, China had a kind of "flint lamp" that could float in the air. In the Yuan Dynasty, airplanes developed further. An American named Godspring wrote a story in his book The History of Western Aviation Development: When Injong ascended the throne in the Yuan Dynasty in the early 4th century, a big balloon rose over the capital Beijing. It is said that this may be the first real balloon in the world. Also, when the propeller of modern helicopter rotates at high speed, it will produce a strong lifting force, which has been discovered very early in China. In ancient times, a toy bamboo dragonfly loved by children has been popular among the people. There are several ways for bamboo dragonflies. The simplest method is to vertically fix a small round wooden pole in the middle of a small leaf (wood chip or bamboo chip), and twist or cut the two ends at opposite oblique angles, which is about three or four inches long and half an inch wide. When playing, we just rub the wooden pole and let go, and the bamboo dragonfly flies away. The blades of this bamboo dragonfly are the same as the propellers of modern helicopters, both in appearance and flight principle.

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