- How do submarines get air?
- Can you open a submarine door underwater?
- Has anyone died in a submarine?
- Do Navy SEALs go in submarines?
- What is the longest a submarine has stayed submerged?
- Can a submarine survive a tsunami?
- Can you survive a submarine sinking?
- What would happen if a submarine went too deep?
- What can go wrong in a submarine?
- Why do submarines not get crushed?
- Has a submarine ever sunk another submarine?
- Did anyone survive on the Kursk?
- Has anyone been rescued from a submarine?
- How deep can submarines go today?
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.
The carbon dioxide is trapped in the soda lime by a chemical reaction and removed from the air..
Can you open a submarine door underwater?
The water pressure on the outer hatch is always greater than the air pressure inside the submarine, which prevents opening the hatch. Only when the pressure inside the escape chamber is equal to the sea pressure can the hatch be opened.
Has anyone died in a submarine?
USS Thresher (SSN-593) sank while conducting deep-diving tests southeast of Cape Cod on the 10th of April 1963. The accident, which took the lives of all 129 men onboard, remains the highest ever submarine death toll in history.
Do Navy SEALs go in submarines?
U.S. Navy SEALs are trained to attack enemy coastlines and ships, wreaking havoc on targets both on land and afloat. … The Gator SDVs are mini-submarines designed to carry six to eight SEALs commandos and their equipment. Two SEALs sit in front, the driver and navigator, with another four to six passengers in the rear.
What is the longest a submarine has stayed 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.
Can a submarine survive a tsunami?
Submarines are relatively unaffected by weather or tsunamis when submerged in deep open waters. … However if a submarine has to go shallow or to periscope depth then conditions on the surface become a major concern. Large enough waves can cause a submarine to be pulled (sucked) up to the surface.
Can you survive a submarine sinking?
There are, but whichever method you use, the odds aren’t great. The best chance is to send a smaller sub down to dock with the stranded sub so that crew can be rescued. … The Royal Navy also has a ‘Submarine Parachute Assistance Group’ trained to airdrop to the site of a sinking sub and recover survivors as they emerge.
What would happen if a submarine went 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.
What can go wrong in a submarine?
Everything else (fire, flooding, toxic gas, radiation, explosions) are minor irritants that the crew can fight. That’s why we get Submarine Pay (once called hazardous duty pay). We get other extra pay, too (that everybody in the Navy can get), such as Sea Pay and Family Separation Allowance (no nookie pay).
Why do submarines not get crushed?
Because submarines are made of metal, and metal can only withstand a certain amount of pressure before buckling or collapsing, the strength of the metal and the design of the sub determines its ultimate depth limit. In reality, a submarine pilot would never take a sub anywhere near that depth.
Has a submarine ever sunk another submarine?
The German submarine U-864 was a Type IXD2 U-boat of Nazi Germany’s Kriegsmarine in World War II. … It is the only documented instance in the history of naval warfare where one submarine intentionally sank another while both were submerged.
Did anyone survive on the Kursk?
A note that was found on one of four bodies raised from the sunken Russian nuclear submarine Kursk, revealed today that at least 23 people remained alive after powerful explosions killed most of the crew.
Has anyone been rescued from a submarine?
What followed was the first true and, to this day, only successful submarine rescue. 3 The submarine rescue ship Falcon arrived on site with submarine salvage and rescue expert Lieutenant Commander Charles B ‘Swede’ Momsen, USN, on board.
How deep can submarines go today?
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 1⁄3 miles.