How deep can submarine dive?

How deep did ww2 submarines 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’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.

Has a submarine ever hit a whale?

British Navy mistook whales for submarines and torpedoed them, killing three, during Falklands War. … One crew member wrote of a “small sonar contact” that prompted the launch of two torpedoes, each of which hit a whale.

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What is the most powerful submarine in the world?

Typhoon-class submarine

Class overview
Type Ballistic missile submarine
Displacement 23,200–24,500 t (22,830–24,110 long tons) surfaced 48,000 t (47,240 long tons) submerged
Length 175 m (574 ft 2 in)
Beam 23 m (75 ft 6 in)

How long would a ww2 submarine stay submerged?

After 48 hours, it would be unbearable and you would have to surface. The World War II submarine that had the longest possible underwater endurance was the German Type 21. It could stay down for up to 75 hours, which gives you a tad over 3 days.

Which country has best submarines?

Here are the 10 countries with the most submarines:

  • North Korea (83)
  • China (74)
  • United States (66)
  • Russia (62)
  • Iran (34)
  • South Korea (22)
  • Japan (20)
  • India (16)