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Argumentative Essay On Submariness

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In the early 17 century Cornelius van Drebel invented the first submarine. The first submarine was built in England. It wasn’t until about 150 years after when they where first used in warfare (World’s First Submarine Attack). David Bushnell was the first person to successfully execute a attack with a submarine (World’s First Submarine Attack). "When the Turtle tried several times to sink British ships In the Hudson River but failed each time because of operator error" (World’s First Submarine Attack).Where is your thesis statement? you need it to be the last sentence in your introduction. You also need a different introduction because you should not have any citations or facts in your introduction. "Submarines sink because they have …show more content…

"Nuclear submarines use nuclear reactors, steam turbine, and reduction gearing to drive the main propeller"(Works). All old submarines used snorkels so they where very close to the surface of the ocean so they were very vulnerable to airplane attacks "Some have batteries to make them run off electric power but they have to be charged using either diesel or a nuclear reactor"(Works). Nuclear submarines have a advantage because nuclear submarines can be submerged for weeks or months on end and not have to surface. Another thing is that nuclear fuel lasts much longer that diesel fuel so they can stay at sea and not have to port for fuel (Works). Diesel engines can only work when surfaced or use a snorkel so the engine can breath. The Diesel engine submarines just surface to get the batteries charged than go back below the …show more content…

"When underwater the submarine uses internal guidance systems that keeps tract of the ship's motion from a fixed starting point using gyroscopes"(Works). "To locate targets submarines use a passive sonar, that works by emitting sound waves through water and allowing the sound waves to reflect off the target and return"(Works). There are a lot of things that make a submarine work the biggest thing has to be the pressure hull. It is the most important because when the submarine goes below the water there is lots of pressure pushing in on it. "Most submarines have two hulls one on the outside that is waterproof and another on the inside that is much stronger and resistant to immense water pressure"(Submarines). "The maximum depth that submarines ever dive is 2000 feet at that depth the pressure is sixty times greater than greater than at the surface"

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