Piccard’s and Walsh’s Deep Sea Decent
Jacques Piccard and Don Walsh were the first people to take a deep sea-vehicle to the oceans deepest point in 1960. They were transported by a bathyscaphe called the Trieste, 35,797 feet into the Marianna trench, in the Pacific Ocean.
The Trieste was built in Italy. It was a Swedish design and was invented and worked on by Auguste Piccard and his son Jacques Piccard.(Bathyscaphe Trieste) Who helped design the bathyscaphe to be capable to dive deeper into the ocean. In 1956 Jaques Piccard went to the U.S., inquiring about funds for future development and experimentation with the Trieste. This was after the Trieste went on a 10,168 foot dive in the Mediterranean off the coast of Capri Italy.
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U.S. Navy bought the Trieste in 1958 and offered Jacques Piccard a job as a consultant, which he accepted. At the time of sale, the Trieste had been improved to be able to descend 24,000 feet. Picard at this point was planning to improve the Trieste to take a dive into Challenger Deep. The deepest part of the ocean, located in the Pacific. At that time the U.S. Navy sent a request for volunteers to all U.S. Navy submarine crews, since they did not have any bathyscaphe pilots. That is when Don Walsh came into the picture. Don Walsh was one of only two people to volunteer.
He was a U.S. Navy lieutenant and submariner. He became captain of the Trieste with Jacques Piccard. For two years the Trieste went through modifications and Piccard and Walsh took the Trieste for many dives near San Diego and Guam before the vehicle was ready to dive to the bottom of Challenger …show more content…
Deep. The Trieste is a bathyscaphe, meaning "deep ship".
The Trieste was given its name after the city it was built in, which was on the border between Italy and Yugoslavia. The deep sea submersible vehicle has a spherical research and observation room made out of steel. (First Trip to the Deepest Part of the Ocean) This room was located at the bottom of the Trieste with a window for observation. The rest of the vehicle was mostly made up of compartments such as, two water blast tanks and two gasoline tanks. The gasoline tanks held 130,000 liters. The purpose of the gasoline was to use it for resurfacing from the bottom because it is more buoyant then water, and it is very resistant to the compression that happens during deep sea dives. (bathyscaphe)
On January 20, 1960 The Trieste was transported out into the Pacific Ocean by a tug boat from Guam and was accompanied by a command ship. They were ready for the mission. But before they could achieve their goal they needed to find the deepest part of Challenger Deep in the Marianna's Trench. Since the depth sounder on the ship could not measure the large depths of Challenger Deep, they used TNT explosives.(Strickland) Lighting the fuses and throwing them overboard while counting the seconds until the explosion was picked up by the ships
hydrophone. On January 23, 1960 they had located the deepest part of Challenger Deep and Piccard and Walsh got into the Bathyscaphe and started their decent. 300 feet below the surface the Trieste stops due to reaching a colder layer of water. (1960 Dive - DEEPSEA CHALLENGE Expedition) The reason for the stop was because the gasoline in the tank was too warm to continue. To fix this problem they release a small portion of gasoline and their decent continued. They had to repeat this proses many times over the five hour decent. The Trieste reached the bottom and as they came to rest on the ground they landed close to a fish. They now had the answered to the question so many scientists and oceanographers have wondered. There is life even in the extreme pressures of Challenger Deep. Piccard and Walsh stayed at the bottom for twenty minutes. They measured the temperature, 38 degrees Fahrenheit. They also checked for undersea currents and radioactivity. They still had ten minutes to spend on the bottom when Walsh tells Piccard that the plexiglass window located in the tunnel for exiting the research room had been cracked on the way down. So to assure their safety they begin an easy journey back to the surface. They arrived on time to the surface, making a record as the first two people to ever go to the bottom of the deepest part of the ocean. Piccard continued with inventing and research. Walsh all so continued with his work in the U.S. Navy. The Trieste was later retired in 1966 and was preserved in the U.S. Navy museum. Citations "Bathyscaphe Trieste." - Wikipedia, the Free Encyclopedia. Web. 18 Sept. 2015. "First Trip to the Deepest Part of the Ocean." Bathyscaphe Trieste. Web. 19 Sept. 2015. . Strickland, Eliza. "Don Walsh Describes the Trip to the Bottom of the Mariana Trench." Web. 18 Sept. 2015. . "Bathyscaphe." National Geographic Education. 14 Apr. 2010. Web. 19 Sept. 2015. .
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Attended Oregon State University 1946 – 1950 and received a BS. Degree. Taught High School Science for eight months at Benson High School before being recalled to active duty for the Korean War on 1 April 1951. Assigned 816th TCS and flew C-119s out of Ashiya, Japan in support of the Korean War. Promoted to Captain 1 June 1952.
battery that made it detonate underwater. Sam Colt got a bunch of business men and made a
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“Venice and its Lagoon.” – UNESCO World Heritage Centre. UNESCO World Heritage Centre, n.d. Web. 14 Jan. 2014. .
Review: The opportunity and endeavor of exploring the Earth’s oceans can reap great rewards for mankind and unravel many of the mysteries that the Earth has left to discover.
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