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Ultra Trencher 1 : ウィキペディア英語版 | Ultra Trencher 1 Ultra Trencher 1 (UT1) is (as of 2008) the world's largest submersible robot, used for burying undersea pipelines in a trench in the sea floor.〔(The world’s biggest subsea robot | Emerging Technology Trends | ZDNet.com )〕 It has a mass of 60 tons and measures 7.8 metres long, 7.8 metres wide, and 5.6 metres tall. It costs roughly £10 million. It can move at a speed of 2 to 3 knots when submerged and can trench pipelines with a 1-meter diameter in water up to 1,500 metres deep. It uses a pair of "jet swords" to create the trench by injecting pressurized water into the sediment. UT1 is manufactured by the Newcastle upon Tyne company Soil Machine Dynamics.〔 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Ultra Trencher 1」の詳細全文を読む
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