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“The sea trial has bridged the ‘last mile’ from deep-sea equipment development to engineering application,” the official China Science Daily reported on Saturday, suggesting the equipment was now poised for actual deployment.

The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: Handout
The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: Handout

An electro-hydrostatic actuator, or EHA, integrates the hydraulic system, electric motor and control unit into a single compact device, eliminating the external oil piping typical of conventional systems.

#China #tests #submarine #cable #cutter #3500metre #depthShanghai Jiao Tong University, ZJU, Ocean University of China, China Science Daily, Mei Deqing, Zhejiang University, BRICS Inventions Exhibition, Dalian Maritime University, Jiaolong, Guangzhou Marine Geological Survey, Ministry of Natural Resources, Haiyang Dizhi"> China tests submarine cable cutter at 3,500-metre depthA Chinese deep-sea mission has successfully tested an advanced device capable of cutting through underwater structures such as submarine cable at a depth of thousands of metres.The “Haiyang Dizhi 2” research vessel completed its first deep-sea scientific mission of 2026 last Saturday, according to the Ministry of Natural Resources.The expedition included a cutting test of a deep-sea electro-hydrostatic actuator at a depth of 3,500 metres (11,483 feet), using technology that has drawn attention for its potential military use.“The sea trial has bridged the ‘last mile’ from deep-sea equipment development to engineering application,” the official China Science Daily reported on Saturday, suggesting the equipment was now poised for actual deployment.The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: HandoutAn electro-hydrostatic actuator, or EHA, integrates the hydraulic system, electric motor and control unit into a single compact device, eliminating the external oil piping typical of conventional systems.#China #tests #submarine #cable #cutter #3500metre #depthShanghai Jiao Tong University, ZJU, Ocean University of China, China Science Daily, Mei Deqing, Zhejiang University, BRICS Inventions Exhibition, Dalian Maritime University, Jiaolong, Guangzhou Marine Geological Survey, Ministry of Natural Resources, Haiyang Dizhi
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“The sea trial has bridged the ‘last mile’ from deep-sea equipment development to engineering application,” the official China Science Daily reported on Saturday, suggesting the equipment was now poised for actual deployment.

The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: Handout
The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: Handout

An electro-hydrostatic actuator, or EHA, integrates the hydraulic system, electric motor and control unit into a single compact device, eliminating the external oil piping typical of conventional systems.

#China #tests #submarine #cable #cutter #3500metre #depthShanghai Jiao Tong University, ZJU, Ocean University of China, China Science Daily, Mei Deqing, Zhejiang University, BRICS Inventions Exhibition, Dalian Maritime University, Jiaolong, Guangzhou Marine Geological Survey, Ministry of Natural Resources, Haiyang Dizhi">China tests submarine cable cutter at 3,500-metre depth

A Chinese deep-sea mission has successfully tested an advanced device capable of cutting through underwater structures such as submarine cable at a depth of thousands of metres.

The “Haiyang Dizhi 2” research vessel completed its first deep-sea scientific mission of 2026 last Saturday, according to the Ministry of Natural Resources.

The expedition included a cutting test of a deep-sea electro-hydrostatic actuator at a depth of 3,500 metres (11,483 feet), using technology that has drawn attention for its potential military use.

“The sea trial has bridged the ‘last mile’ from deep-sea equipment development to engineering application,” the official China Science Daily reported on Saturday, suggesting the equipment was now poised for actual deployment.

The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: Handout
The Haiyang Dizhi 2’s electro-hydrostatic actuator is expected to play a role in the construction and repair of deep-sea oil and gas pipelines. Photo: Handout

An electro-hydrostatic actuator, or EHA, integrates the hydraulic system, electric motor and control unit into a single compact device, eliminating the external oil piping typical of conventional systems.

#China #tests #submarine #cable #cutter #3500metre #depthShanghai Jiao Tong University, ZJU, Ocean University of China, China Science Daily, Mei Deqing, Zhejiang University, BRICS Inventions Exhibition, Dalian Maritime University, Jiaolong, Guangzhou Marine Geological Survey, Ministry of Natural Resources, Haiyang Dizhi

A Chinese deep-sea mission has successfully tested an advanced device capable of cutting through underwater…

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