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Bathyscaphe Trieste before its only dive into the Mariana Trench The Trieste in 1958. A bathyscaphe (/ ˈ b æ θ ɪ ˌ s k eɪ f,-ˌ s k æ f /) is a free-diving, self-propelled deep-sea submersible, consisting of a crew cabin similar to a Bathysphere, but suspended below a float rather than from a surface cable, as in the classic Bathysphere design.
General arrangement, showing the key features. Trieste was designed by the Swiss scientist Auguste Piccard, based on his previous experience with the bathyscaphe FNRS-2.The term bathyscaphe refers to its capacity to dive and manoeuvre untethered to a ship in contrast to a bathysphere, bathys being ancient Greek meaning "deep" and scaphe being a light, bowl-shaped boat. [3]
The Bathysphere on display at the National Geographic museum in 2009. The Bathysphere (from Ancient Greek βαθύς (bathús) ' deep ' and σφαῖρα (sphaîra) ' sphere ') was a unique spherical deep-sea submersible which was unpowered and lowered into the ocean on a cable, and was used to conduct a series of dives off the coast of Bermuda from 1930 to 1934.
Jacques was welcomed to the U.S. to demonstrate his bathyscaphe, now named the Trieste. Impressed by his designs, the U.S. Navy bought the vessel and hired Piccard as a consultant. Recognizing the strategic value of a workable submersible for submarine salvage and rescue, the Navy began testing the Trieste for greater depths.
Another Alvin-class DSV sub, launched in December 1968, retired in 1998, and returned to active service in September 2002. Since 1981, Sea Cliff has a depth capability of 6,000 m (20,000 ft), [5] and is owned and operated by the United States Navy. [10] DSV-5 Nemo Another Alvin-class DSV sub, launched in June 1970 and retired in 1998. Owned and ...
The FNRS-3 or FNRS III is a bathyscaphe of the French Navy. It is currently preserved at Toulon. She set world depth records, competing against a more refined version of her design, the Trieste. The French Navy eventually replaced her with the bathyscaphe FNRS-4 [clarification needed], in the 1960s. [1]
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). It was built by China State Shipbuilding Corporation (CSSC). It can accommodate three crew members, and is designed to reach depths of more than 10,000 meters.
Jiaolong (simplified Chinese: 蛟龙号; traditional Chinese: 蛟龍號; pinyin: jiāolóng hào; lit. 'flood dragon') is a Chinese crewed deep-sea research submersible that can dive to a depth of over 7,000 metres (23,000 ft), developed from the Sea Pole-class bathyscaphe.