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The outside water pressure increases with depth and so the stresses on the hull also increase with depth. Each 10 metres (33 ft) of depth puts another atmosphere (1 bar, 14.7 psi, 101 kPa) of pressure on the hull, so at 300 metres (1,000 ft), the hull is withstanding thirty standard atmospheres (30 bar; 440 psi; 3,000 kPa) of water pressure.
100 Pa Pressure due to direct impact of a strong breeze (~28 mph or 45 km/h) [27] [28] [31] 120 Pa Pressure from the weight of a U.S. quarter lying flat [32] [33] 133 Pa 1 torr ≈ 1 mmHg [34] ±200 Pa ~140 dB: Threshold of pain pressure level for sound where prolonged exposure may lead to hearing loss [citation needed] ±300 Pa ±0.043 psi
Commissioned in 1984, the submersible can be operated at depths of up to 6 km (3.7 mi). [1] ... Media related to Nautile (submarine, 1984) at Wikimedia Commons;
At Titanic depths, some 12,500 feet down, the water pressure is nearly 400 times more than at the ocean's surface — some 6,000 pounds would have been pressing down on every square inch of Titan ...
The new sphere was also steel, but smaller at 2.16 metres (7.1 ft) diameter and with thicker walls, at 127 millimetres (5.0 in), [5] calculated to withstand the 1,250 kilograms per square centimetre (123 MPa) pressure at the bottom of Challenger Deep plus a substantial factor of safety. The new sphere weighed 14.25 metric tons (31,400 pounds ...
The Seawolf class is a class of nuclear-powered, fast attack submarines (SSN) in service with the United States Navy. The class was the intended successor to the Los Angeles class, and design work began in 1983. [10] A fleet of 29 submarines was to be built over a ten-year period, but that was reduced to 12 submarines.
The sphere, with steel walls 64 mm (2.5 in) thick, was tested for its ability to withstand the required 114 megapascals (16,500 pounds per square inch) of pressure in a pressure chamber at Pennsylvania State University. [27] The sphere sits at the base of the 11.8-tonne (13.0-short-ton) vehicle. The vehicle operates in a vertical attitude, and ...
This 16 ton submarine can withstand extreme pressure and is easily manoeuvrable despite its weight and size. The extreme difference in pressure between the sea floor and the surface makes creatures' survival on the surface near impossible; this makes in-depth research difficult because most useful information can only be found while the ...