Striver (bathyscaphe)

Striver (Fen-Dou-Zhe; Chinese: 奋斗者) bathyscaphe is a type of deep-submergence vehicle built in the People's Republic of China (PRC).[2][3][4][5][6][7][8][9] It was built by China State Shipbuilding Corporation (CSSC).[3][5] It can accommodate three crew members,[2][3][4][5]and is designed to reach depths of more than 10,000 meters.[2][3][4][5][6][7] Striver is equipped with two mechanical arms, seven underwater cameras, seven sonars, hydraulic drills, and other scientific devices.[2][9]

Fendouzhe aboard its mother ship Tan Suo Yi Hao
History
PRC
NameStriver
AwardedCSSC
Completed2020
Acquired2020
Commissioned2020
Maiden voyage2020
In service2020
StatusActive
Class overview
OperatorsInstitute of Deep-sea Science and Engineering as part of the Chinese Academy of Sciences[1]
Preceded byDeep Sea Warrior
General characteristics
Displacement36 long tons (37 t)
Endurance6 hours
Complement3
Sensors and
processing systems		Various

On 10 November 2020, the bottom of the Challenger Deep was reached by Striver with three Chinese scientists (Zhang Wei, Zhao Yang, and Wang Zhiqiang) onboard whilst livestreaming the descent to a reported depth of 10,909 m (35,791 ft).[10][11]

Design

In comparison to the earlier Deep Sea Warrior bathyscaphe that was 95% domestically built, Striver is 96.5% domestic,[5][7] but can dive more than twice as deep. A significant portion of the onboard equipment has to be allocated to support the dive. In comparison to the ten-hour endurance of Deep Sea Warrior, Striver last for six hours.[2][3] Striver can dive and surface much faster,[4]and its crew compartment is built of titanium alloy Ti62A, specially developed for use on Striver,[8] and a new welding method.[4][5][7][8] It is equipped with cameras made by the Norwegian manufacturer Imenco.[12] The designer is Ye Cong.[4][7]The mechanical arms of Striver were developed by Shenyang Institute of Automation, and each is capable of handling 60 kg of weight.[9] The motherships of the Striver bathyscaphe are the same ones used for Deep Sea Warrior bathyscaphe: Chinese research vessel Explorer 1 (Tan-Suo 1, or 探索 – 号 in Chinese) and Explorer 2.[2][4][5][6][7][9]

Specification
Research Vessel Tan Suo Yi Hao is used as mothership for the Striver

Specifications are:[2][3][4][5][6]

  • Weight: 36 ton
  • Crew: 3
  • Payload: 240 kg
  • Endurance: 6 hours

See also

References
  1. "China's latest manned submersible Fendouzhe delivered". global.chinadaily.com.cn. 2021-03-16. Retrieved 2023-01-24.
  2. "Struggler deep submergence vehicle" (in Simplified Chinese). October 6, 2021.
  3. "Struggler deep diving vehicle" (in Simplified Chinese). March 17, 2021.
  4. "Struggler deep submergence submersible" (in Simplified Chinese). November 16, 2021.
  5. "Struggler deep diving submersible" (in Simplified Chinese). November 28, 2020.
  6. "Struggler submersible" (in Simplified Chinese). January 21, 2021.
  7. "Struggler bathyscaphe" (in Simplified Chinese). December 7, 2020.
  8. "Struggler DSV" (in Simplified Chinese). January 12, 2021.
  9. "Struggler" (in Simplified Chinese). January 12, 2021.
  10. "Chinese submarine reaches the deepest place on Earth". interestingengineering.com. 30 November 2020. Retrieved 2021-04-26.
  11. "Chinese Submersible "Fendouzhe" Descended to Earth's Deepest Oceanic Trench". sciencetimes.com. Retrieved 2021-04-26.
  12. "Imenco in the worlds deepest waters". imenco.no. 23 November 2020. Retrieved 2021-04-28.
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