How long did it take US fleet submarines during World War 2 to charge their batteries?

Diesel electric submarines had to surface on average every 12 to 24 hours to recharge batteries in WWII, and to replenish fresh air in the boat in WWII. Yes, it made them profoundly vulnerable to air attack. The development of the schnorkel by the Germans in 1943 reduced this vulnerability somewhat but not entirely.

How did ww2 submarines recharge their batteries?

Submarines need large amounts of electricity to operate safely under water. They charge their batteries using diesel or nuclear-driven generators.
Oct 9, 2016

How long can a submarine run on batteries?

Improvements in the design of conventional lead-acid batteries have somewhat increased endurance at low speed. Many modern submarines, for example, can remain submerged (at about three knots) for as long as a week to 10 days.

How long could 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.

What was the speed of a ww2 submarine?

Thus, most WWII- era submarines were designed with a high surface speed (15-19 knots), when the diesel engines provided the energy, and a much lower submerged speed (seven to nine knots), when the battery capacity was the limiting constraint.

What is the longest a submarine has stayed submerged?

111 days

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.

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.
Jan 12, 2016

What is the temperature inside a submarine?

around 30-35 degrees

Even though the entire submarine has air cooling facility, only two decks are air-conditioned. The temperature in the rest of the submarine is around 30-35 degrees and the crew works in sweltering heat. The quality of the air is monitored constantly for impurities.

How long did German U boats stay at sea?

Concluding its fourth patrol, U-576 reached its home port in St. Lazare, France, in May 1942, after a long 49 days out at sea.
Sep 4, 2021

What did submariners eat in ww2?

Meat, vegetables (mainly potatoes), bread and fruits were the basic ingredients in the submariners’ menu on German U-Boats during World War 2. While long-distance German U-Boats were excellent killing machines, habitability ranked very low on their designers’ priority list.
Jan 25, 2020

How deep did ww2 submarines dive?

660 to 920 feet

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 was the deepest diving ww2 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.

Did World War II submarines have air conditioning?

American submarines offered quite a few comforts to the sailors on board. The Gatos had air conditioning, refrigerated food storage, freshwater distilling units, clothes washers, and bunks for everyone. Amenities like air conditioning were deemed necessary in the warm tropical waters.
Jul 8, 2022

How do you bathe in a submarine?


  1. Open lever operated drain valve.
  2. Open flush valve and keep open long enough to thoroughly flush both the bowl and its drainline.
  3. Close the drain valve.
  4. Allow several inches of water to cover the drain valve before closing the flush water.

Do submariners take bath?

Surrounded by water, the most precious commodity inside the submarine is water. “ None of us take a bath till we reach a port for replenishing,” explains a junior officer of the Indian Navy. Since water is precious, it is used only for drinking and cooking.
Oct 15, 2011

Could you smoke on a submarine?

Everybody is aware that smoking is a legal, if harmful, stress reliever. So the Navy banned smoking aboard submarines not with the stated purpose of curing the smokers, but of protecting nonsmoking submarine crew members from the threat of heart and lung disease from secondhand smoke.
Jun 20, 2010

Why can’t females be deployed on a submarine?

Women had previously been excluded from submariner roles due to concerns about higher levels of carbon dioxide in a submarine atmosphere being a risk to female health.
Dec 8, 2011

Is alcohol allowed on a submarine?

“Although alcohol is available on board Royal Navy ships and submarines, its consumption is extremely limited and the RN’s promotion of healthy living, coupled with the professionalism of modern sailors, means that fewer sailors drink at sea than ever before,” he added.
Feb 15, 2013

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