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From the evidence of the oldest references for vertical flight log in it comes from China. Since when approximately 400 BC. Chinese children have played with toys made from bamboo fly. Bamboo will be spinning, rotate the copter by rolling to glide a stick anchored to a circular blade with two hands, and in the 19th century after Christ has 4 books on Taoism, the name target shareholders chue, which describes some of the already existing ideas about the rotating wing aircraft on hold.

According to evidence from the oldest record of flying in a straight line, that came from China. From about 400 BC, Chinese children are playing with toys made from bamboo. Copter bamboo being spun by a rotating roller skids round wooden sticks attached to the blade with both hands. In the fourth century BC Taoist named in a letter blow-Zhi, which explains some of the existing ideas about the rotary wing aircraft.

The oldest reference evidence for vertical flight records come from China. Since about 400 BC. The kids play with the toys, the Chinese flying made of bamboo. "Bamboo dragonfly" will be spinning spinning by rolling circle slip stick attached to the rotor with both hands, and in the 4 after BC. The books in the Taoism name target the Zi, which describes some of the existing ideas about the rotary wing aircraft.