# Often asked: How fast can a submarine dive?

However, U.S. nuclear-powered submarines can go faster than 23 miles per hour, which is 37 kilometers per hour or 20 knots (nautical miles per hour) underwater.24-Jul-2019

• How fast can submarines dive? How Fast Can a Submarine Go? This is classified as well. However, U.S. nuclear-powered submarines can go faster than 23 miles per hour, which is 37 kilometers per hour or 20 knots (nautical miles per hour ) underwater. How far inland would a 1000 Ft tsunami go?

## How quickly can a submarine dive?

In a World War II-era boat, the whole operation could take as little as 30 seconds with a well-trained crew. In contrast, an Ohio-class ballistic-missile submarine may take as long as five minutes to reach periscope depth from the surface.

## What is the top speed of a submarine?

The U.S. Navy’s Los Angeles-class nuclear-powered attack submarines, improved variants of which remain service today, have an official top speed of 23 miles per hour when submerged. There have been reports that these boats can actually get up to around 35 miles per hour underwater.

## What is the deepest dive by a submarine?

Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe which reached a record depth of about 10,911 metres (35,797 ft) in the Challenger Deep of the Mariana Trench near Guam in the Pacific.

## What happens if a submarine rises too fast?

Do submariners suffer any physical consequences if their submarine surfaces too quickly? No. In fact, one of the most critical safety apparatus on the submarine, the Emergency Main Ballast Tank blow system (EMBT) is used to surface the boat as rapidly as possible.

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## What is crush depth for a human?

Human bone crushes at about 11159 kg per square inch. This means we’d have to dive to about 35.5 km depth before bone crushes. This is three times as deep as the deepest point in our ocean.

## How deep can a ww2 submarine dive?

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).

## What is the most dangerous submarine?

The World’s Five Most Dangerous Submarines

• Ohio-class Ballistic Missile Submarine.
• Columbia-class Ballistic Missile Submarine.
• Project 955 Borei-class Ballistic Missile Submarine.
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• Project 667BDRM Delfin class (Delta IV) Ballistic Missile Submarine.
• Project 885M Yasen class Guided Missile Submarine.

## Are subs faster underwater?

Yes, as Larry has succinctly pointed out with a neat cross reference, the modern submarine travels faster underwater than on the surface. Since the pre-nuclear subs would therefore be spending most of their time on the surface of the sea, it made sense to give them a shipshape, seaworthy hull form for best speed.

## Who has the fastest submarine?

It was assigned to the Soviet Red Banner Northern Fleet for the duration of her career. It was the world’s fastest submarine, reaching a record submerged speed of 44.7 knots (82.8 km/h; 51.4 mph) on trials. Its unofficial maximum speed, reached 30 March 1971, is 44.85 knots (83.06 km/h; 51.61 mph).

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## What is the lowest a submarine can go?

A nuclear submarine can dive to a depth of about 300m. This one is larger than the research vessel Atlantis and has a crew of 134. The average depth of the Caribbean Sea is 2,200 meters, or about 1.3 miles. The average depth of the world’s oceans is 3,790 meters, or 12,400 feet, or 2 13 miles.

## Can you survive a tsunami in a submarine?

2. The ocean could be affected by high tsunami and/or pressure waves in the case of a large asteroid or comet impact. Most current submarines can survive at a depth of 400 m, so they might survive long pressure spikes created by the waves above them as high as 200–400 m, but not kilometer size waves.

## How deep can a human dive?

It takes training, practise and discipline. Deep diving is defined as a dive that exceeds 60 feet (18.28 metres). That means that most people can dive up to a maximum of 60 feet safely. For most swimmers, a depth of 20 feet (6.09 metres) is the most they will free dive.

## How deep do Navy submarines go?

What the Navy can tell you is that their submarines can submerge deeper than 800 feet.

## How do submarines get air?

Oxygen is supplied either from pressurized tanks, an oxygen generator (which can form oxygen from the electrolysis of water) or some sort of “oxygen canister” that releases oxygen by a very hot chemical reaction.

## How thick is a submarine hull?

Making the hull. 4 Steel plates, approximately 2-3 in (5.1-7.6 cm) thick, are obtained from steel manufacturers. These plates are cut to the proper size with acetylene torches. 5 The cut steel plates are moved between large metal rollers under tons of pressure.