小哲 發表於 2013年10月14日 10:24 AM 
謝謝賜圖, 研究之後有問題請教,
1. 電池放哪?
2. 如何吸排水下潛及上浮? 圖中看來是靠注射筒,但運作原理搞 ...
no chinese keyboard + don't know chinese physics words, you have to use translator if needed.
The water-proved battery is to be connected to the mini-plug shown. A gearbox pushes or pulls the syringe to dive or surface. Turning is by waterpump side-thruster.
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