風力起重機

如可能弄出風力起重機,原理是怎麼的,有圖嗎?

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  • 1 decade ago
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    風力起重機要有風至得,如果在香港都好難有風,除非去大清水,赤柱等山頂.

    參看

    http://en.wikipedia.org/wiki/File:MeophamGreen.svg

    內有sack hoist & sack hoist chain 就是利用風力轉動風車,風車軸心帶動upright shaft, 連動木製齒輪,把重物吊起,幾好玩架,有機會去荷蘭或比利時布魯日睇吓古時的人已懂得用木頭製成機械.

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