The so-called "Sea Pole" class of bathyscaphe, for instance, was developed in China in the early 2000s. Navy Museum in Washington, D.C., although other nations continue to pursue deep-sea exploration using bathyscaphes. In particular, they relied on the experience of Don Walsh, an American oceanographer who descended to the Mariana Trench in the Trieste and became an integral part of the DEEPSEA CHALLENGE mission.
Cameron and the DEEPSEA CHALLENGE team relied on research and challenges presented by the Trieste in developing their sophisticated submersible, the DEEPSEA CHALLENGER. In that expedition, Canadian inventor and filmmaker James Cameron became the first person to dive solo to the bottom of the Mariana Trench. Located 10,916 meters (35,813 feet) below the oceans surface, the Challenger Deep is deeper than the height of Mount Everest! An amazing feat of oceanic navigation, the Trieste expedition remained the only manned dive to reach the Challenger Deep until the DEEPSEA CHALLENGE expedition in March 2012. Equipped with this new cabin, the Trieste reached the deepest known point on Earth, the Challenger Deep in the Mariana Trench, on January 23, 1960. In 1958, the United States Navy purchased the Trieste and designed a new cabin that would enable it to reach the floor of deep ocean trenches. His most successful vehicle, the Trieste, was launched in 1953 and dived to 3,150 meters (10,300 feet). Swiss oceanographer Auguste Piccard designed the bathyscaphe. This makes the bathyscaphe an important innovation in oceanic exploration. The bathyspheres cabin was suspended from a cable and could not move with as much freedom as the self-propelled bathyscaphe. Exploration The bathyscaphe can descend farther and faster into the ocean than its predecessor, the bathysphere. This magnetic system allows the bathyscaphe to ascend even in the event of a power failure. To ascend, the bathyscaphe releases the heavy iron ballast, held in place by magnets. The weight of the ballast, reaching up to 16 tons, allows the vehicle to sink.
The pellets are ballast, used to control a ship's weight. In order to descend to great depths, a bathyscaphe is also equipped with cone-shaped containers, called hoppers, filled with heavy iron pellets. The air tanks are located to the side of the gasoline tanks, which help maintain equal pressure inside and outside the float structure. The more water in the tanks, the deeper the bathyscaphe can travel. The bathyscaphe begins to descend when the floats air tanks are slowly filled with water. A bathyscaphe relies on its gas tanks to maneuver and perform important navigational functions. This enables the bathyscaphe to maintain equal pressure between its interior and the sea, even at extreme depths where water is highly pressurized. Gasoline is also incompressible, meaning it does not shrink, or compress, under pressure. This allows the bathyscaphe to float on the oceans surface rather than sink immediately. The vehicles gasoline tanks are lighter than water. These tanks allow the vehicle to propel and maneuver itself, as well as dive and ascend. Thats enough to crush submarines, so the cabins ability to withstand pressure is important for the crew inside! A bathyscaphes float has air tanks and gasoline tanks. The pressure at the bottom of the ocean can be 1,130 kilograms per square centimeter (16,000 pounds per square inch). The heavy steel cabin is designed to resist pressure, which increases the deeper you go. (" Scaphe" indicates a light, bowl-shaped boat.) The bathyscaphe is made of two main components: a crew cabin and a float. In fact, the word "bathyscaphe" takes the first part of its name from the ancient Greek word for "deep": bathys. Design features reveal that the bathyscaphe was engineered with one goal in mind: to reach the deepest depths of the ocean. Bathyscaphes can dive deeper than a person with scuba gear, and even deeper than submarines.
A bathyscaphe is a self-propelled vehicle used for deep-sea dives.
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