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Zhang Wuyi, 38, who made headlines last year by manufacturing personal submarines, recently unveiled his first unmanned submarine in Wuhan, Hubei province.
While Zhang was at the controls in the operating room near a big swimming pool, the submarine floated, submerged and moved slowly forward and backward.
After his colleagues put some sea cucumbers in the pool, the submarine's underwater camera started to track the targets, collecting about 10 of them within 20 minutes using its robot arms. |
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"It's like an automatically controlled undersea harvesting machine, and absorbs aquatic products like a vacuum cleaner," says Zhang, who started to make a submarine on his own in 2009 because he's interested in it and he sees a potential market.
In October 2011, he sold his first submarine to the operator of a sea cucumber plant in Dalian, Liaoning province, for 150,000 yuan ($24,000). The undersea boat, which can dive up to 30 meters deep, can catch sea cucumbers for 10 hours continuously.
Since then, Zhang and his coworkers have been upgrading his submarines at his company in Wuhan. |
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