From the evidence of the oldest references for vertical flight log in it comes from China. Since when approximately 400 BC, [2] Chinese children have played with toys made from bamboo fly (bamboo flying toys) [3] [4] spin spinning taketombo is by rolling a circular wooden rods, slip stick to the blade by hand, and in the 19th century after Christ has 4 books on Taoism, the name target shareholders chue (Baopuzi) (bao pu zi ", the Master who Embraces Simplicity" ("Mr. who embrace each other with simple")). Which explains some of the existing ideas about the rotating wing aircraft on hold.
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