aeroplanes |
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当前状态:全本 | |
书籍作者:未知 | |
更新时间:2022-08-21 | |
运行平台:MP3/MP4/PSP/手机/电脑IOS | |
关注次数:3 文件大小:277K | |
小说格式:TXT格式 下载 阅读 评论 收藏 |
内容简介

Aeroplanesby J. S. ZerbeThis work is not intended to set forth the exploits of aviatorsnor to give a history of the Art. It is a book of instructionsintended to point out the theories of flying, as given by thepioneers, the practical application of power to the variousflying structures; how they are built, the different methods ofcontrolling them; the advantages and disadvantages of the typesnow in use; and suggestions as to the directions in whichimprovements are required.It distinctly points out wherein mechanical flight differsfrom bird flight, and what are the relations of shape, form, sizeand weight. It treats of kites, gliders and model aeroplanes,...