- What is the longest a submarine has stayed submerged?
- Do submarines hit things?
- Is it hot inside a submarine?
- Do submarines have WIFI?
- How do submarines get air?
- Why do submarines not get crushed?
- Do submarines go under the North Pole?
- What is inside a submarine?
- How long do us submarines stay underwater?
- How deep can a ww2 submarine go?
- Can you text from a submarine?
- Can you exit a submarine underwater?
- How thick ice can a submarine break through?
- Do submarines have showers?
- Has a submarine ever hit a whale?
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.
Cooke RN) in the South Atlantic from 25 November 1982 to 15 March 1983..
Do submarines hit things?
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.
Is it hot inside a submarine?
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. … Submarines usually carry up to 75 personnel on board during its journey into the sea.
Do submarines have WIFI?
Even when a submarine is on the surface, the crew’s access to the internet is severely restricted. … There would be NO allowed personal use of wi-fi or bluetooth within a submarine. The vessel MIGHT have a wired LAN for MWR, protected against signal leakage or intrusion.
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.
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.
Do submarines go under the North Pole?
On August 3, 1958, the U.S. nuclear submarine Nautilus accomplishes the first undersea voyage to the geographic North Pole. The USS Nautilus was constructed under the direction of U.S. Navy Captain Hyman G. …
What is inside a submarine?
Most submarines have two hulls, one inside the other, to help them survive. The outer hull is waterproof, while the inner one (called the pressure hull) is much stronger and resistant to immense water pressure. The strongest submarines have hulls made from tough steel or titanium.
How long do us submarines stay underwater?
three monthsThe 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. The diesel-powered submarines (not now used by the United States Navy) had a limit of several days submerged.
How deep can a ww2 submarine 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 text from a submarine?
Newsletter. When it comes to submarines, stealth is no longer an excuse for being anti-social. A 40-inch-long buoy may soon allow submarine captains to send text messages from under the sea. After leaving the submarine’s trash chute, the buoy stays tethered to the vessel by miles of cables, LiveScience reports.
Can you exit a submarine underwater?
Actually there lies no reason to come out of a submarine while inside water. However, to get out of the submarine, its inner air pressure is increased to match the constraining outer water pressure. Only then, one can open the gate and get out of it.
How thick ice can a submarine break through?
about three feetPick Your Spot. Typical submarines can break through about three feet of ice. Vessels that have been specifically strengthened can go through about nine feet.
Do submarines have showers?
Submarines have to distill water they need for drinking, cooking, and bathing from seawater and have a limited supply, so the crew takes “submarine showers” – turn the water on and wet down, turn the water off and soap up. Turn the water on and rinse off.
Has a submarine ever hit a whale?
It happens on rare occasions. Whales make sounds that can be heard by the submarine sonar. Submarines usually try to avoid the whales, but on the rare occasions that a collision occurs, it is the whale that suffers the worst of it. … The submarines suffer some damage, but it is like your car hitting a medium size …