How long would ww2 subs stay submerged?

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

Two 126-cell battery groups gave her a submerged top speed of 8.75 knots (16.2 km/hr); holding her speed to 2 knots (4 km/hr), she could remain submerged for 48 hours.

How long could a German ww2 submarine stay underwater?

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.

How deep could subs go in ww2?

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).

How long nuclear subs stay underwater?

The limits on how long they can stay underwater are food and supplies. Submarines generally stock a 90-day supply of food, so they can spend three months underwater.

At what depth will water crush you?

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. The 40% of non-water non-gaseous minerals and tissues such as salts, proteins, fats and lipids are virtually impossible to compress similar to water.

How long can a Submarine stay underwater?

How long could a German U boat stay underwater?

The Germans' most formidable naval weapon was the U-boat, a submarine far more sophisticated than those built by other nations at the time. The typical U-boat was 214 feet long, carried 35 men and 12 torpedoes, and could travel underwater for two hours at a time.

What is the longest time a submarine has been submerged?

The longest submerged and unsupported patrol made public is 111 days (57,085 km 30,804 nautical miles) by HM Submarine Warspite (Cdr J. G. F. Cooke RN) in the South Atlantic from 25 November 1982 to 15 March 1983.

What is the deepest a submarine has gone?

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.

Do submarines hit whales?

Most subs have two types of sonar: active and passive. Active sonar sends out acoustic sounds, or “pings,” which can reach thousands of yards. If the ping bounces back, that means it hit an object—like a whale, a ship, or another submarine.

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.

What happens if a submarine goes too deep?

The name is foreboding and fairly self-explanatory; it's when the submarine goes so deep the water pressure crushes it, causing an implosion. The crush depth of most submarines is classified, but it's likely to be more than 400 metres.

How deep can modern Navy submarines dive?

It's generally accepted that the maximum depth (depth of implosion or collapse) is about 1.5 or 2 times deeper. The latest open literature says that a US Los Angeles-class test depth is 450m (1,500 ft), suggesting a maximum depth of 675–900m (2,250–3,000 ft).

How much fuel did a ww2 submarine carry?

“This boat has the ability to store up to 110,000 gallons of raw dirty bunker fuel for all five of the diesels.” One such submarine with the reliable power plant engine was the USS Pampanito (SS-383), a World War II Balao class Fleet submarine built from 1942 to 1944.

How long can a diesel submarine stay submerged?

Diesel-electric submarines may remain immersed for up to 48 hours without recharging their batteries, but they should surface to operate a generator. Nuclear-powered submarines in the army may remain submerged for extended periods of time.

How long can UK submarines stay underwater?

Britain's submarines could previously remain at sea for a maximum of 15 years before refuelling. The new iteration will last for a quarter century – the only reason it will need to resurface is to take on food.

Has anyone dove to the bottom of the Mariana Trench?

Explorer Reaches Bottom of the Mariana Trench, Breaks Record for Deepest Dive Ever. Explorer and businessman Victor Vescovo descended 35,853 feet (10,927 meters) into the Pacific Ocean, breaking the record for deepest dive ever.

Has anyone ever touched the bottom of the Mariana Trench?

The first and only time humans descended into the Challenger Deep was more than 50 years ago. In 1960, Jacques Piccard and Navy Lt. Don Walsh reached this goal in a U.S. Navy submersible, a bathyscaphe called the Trieste.

Do submarines make their own oxygen?

Oxygen in submarines is produced by putting sea water through a process of electrolysis. Submarines typically have a couple of big oxygen tanks as well, used to quickly raise oxygen concentration if the system fails.

Why do diesel submarines have to surface?

The sub must surface (or cruise just below the surface using a snorkel) to run the diesel engines. Once the batteries are fully charged, the sub can head underwater. The batteries power electric motors that drive the propellers. Battery operation is the only way a diesel sub can actually submerge.

Who sank the most U-boats in ww2?

Of the U-boats, 519 were sunk by British, Canadian, or other allied forces, while 175 were destroyed by American forces; 15 were destroyed by the Soviets and 73 were scuttled by their crews before the end of the war for various reasons.

How many subs did U.S. lose in ww2?

Fifty-two submarines of the United States Navy were lost during World War II.

Did U-boats have to surface for air?

The main propulsion of the U-boat is the diesel engine – of which there are two, one on each side (port and starboard). These engines consume outside air and were operable only on the surface.