How deep can a nuclear submarine dive?

How deep can a ww2 submarine go?

World War II German U-boats generally had collapse depths in the range of 200 to 280 metres (660 to 920 feet). Modern nuclear attack submarines like the American Seawolf class are estimated to have a test depth of 490 m (1,600 ft), which would imply (see above) a collapse depth of 730 m (2,400 ft).

Can you smoke inside a submarine?

The Navy announced today a ban on smoking aboard submarines while they are deployed below the surface after medical testing showed non-smokers suffered effects of second-hand smoke. … Mark Jones of the Commander Naval Submarine Forces out of Norfolk, Va., said about 40 percent of the submarine sailors are smokers.

Why can divers only dive for 40 minutes?

At depths greater than 40 metres (130 ft), a diver may have only a few minutes at the deepest part of the dive before decompression stops are needed. In the event of an emergency, the diver cannot make an immediate ascent to the surface without risking decompression sickness.

Who had the most submarines in ww2?

The Italian and Soviet fleets were the largest. While the German and US fleets fought anti-shipping campaigns (in the Atlantic and Pacific respectively), the British and Japanese submarines were mostly engaged against enemy warships.

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How fast did ww2 submarines go?

Model of the USS Balao (SS-285) Fleet Submarine

On the surface, powered by four diesel engines, the Balao had a top speed just over 20 knots (37 km/hr); cruising at 10 knots (18 km/hr) her range was 11,000 nautical miles (20,000 km).

Why can’t submarines go to the bottom of the ocean?

Deep sea submarines – the ones that go deeper than anything else – have to have very thick hulls. Their windows are made of super thick glass. They’re often quite a lot smaller than the normal type of submarines and people will only be able to travel in a small compartment.