- How did old submarines get oxygen?
- How deep do Navy submarines go?
- Can you get seasick on a submarine?
- How much would a submarine cost?
- Do submarines have engines?
- Are submarines faster on the surface or underwater?
- Has a submarine ever hit a whale?
- How long do sailors stay in submarines?
- What is the deepest a submarine has gone?
- What happens if someone dies in a submarine?
- How deep could the first submarines go?
- Why do submarines need to surface?
- How do submarines not run into things?
- How long do nuclear submarines last?
- How do submarines get air?
- How do Navy ships dispose of sewage?
- Which country built the first submarine?
- Where does human waste go on a submarine?
- Can you smoke on a submarine?
- Do submarines have WiFi?
- How deep can Russian submarines go?
- Do submarines have AC?
- What happens to old submarines?
- Who had the first submarine?
How did old submarines get 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..
How deep do Navy submarines go?
What the Navy can tell you is that their submarines can submerge deeper than 800 feet. But they don’t go as deep as the research subs that explore the seafloor.
Can you get seasick on a submarine?
Being on a submarine is very different to being on a boat. There is no rocking motion, as the submarine sits below the waves, and so people who get seasick on a boat will not do so on our submarine.
How much would a submarine cost?
“On the basis of those assumptions, CBO estimates that the average cost of the SSN(X) would be $5.5 billion per submarine, whereas the Navy estimates the cost at $3.4 billion per submarine.
Do submarines have engines?
Most submarines except nuclear ones have diesel-electric engines. The diesel engine operates normally when the sub is near the surface but it doesn’t drive the sub’s propellers directly.
Are submarines faster on the surface or underwater?
Which is faster? A submarine meets more resistance under-water as opposed to on the surface, as on the surface a small fraction of the hull surface is meeting against air resistance instead of water resistance. This does not, however, mean that a submarine travels faster on the surface.
Has a submarine ever hit a whale?
Here’s a question that you don’t hear very often; if a submarine and a whale collided, who would emerge victoriously? The answer to that is not definite because such an incident has not occurred so far. However, back in 2005, the USS San Francisco did collide with a seamount at full speed.
How long do sailors stay in submarines?
Deployments on a submarine can vary in length, depending on the type of submarine. Overall assignments last three years. On a ballistic missile sub, two full crews rotate shifts to allow the vessel to remain at sea as often as possible. Each crew may serve for about 60 to 80 days before resurfacing and rotating out.
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.
What happens if someone dies in a submarine?
If the deceased died on land or has been returned to shore after death, the remains may be brought aboard either in a coffin or in an urn after cremation. The ceremony is performed while the ship is deployed, and consequently civilians are not allowed to be present.
How deep could the first submarines go?
It successfully navigated at depths of 12 to 15 feet below the surface and stayed submerged for three hours, traveling from Westminster to Greenwich and back. Legend has it that Drebbel even took James in this submarine on a test dive which would have made him the first monarch to travel underwater.
Why do submarines need to surface?
How do they navigate since gps signals can’t penetrate underwater? Submarines also have to surface to send signals. They can receive from periscope depth via low frequency, but can’t send that way. Typically, bombers (those which carry the ICBMs) will remain submerged for the duration of their patrol.
How do submarines not run into things?
Ballistic-missile submarines are built to evade detection by making as little noise as possible. They move slowly—usually no more than 20 knots. They’re coated in anechoic tile, a rubbery substance that absorbs sound and prevents sonar detection. And nearly every moving part is isolated so that it won’t transmit sound.
How long do nuclear submarines last?
about twenty yearsNuclear power allowed submarines to run for about twenty years without needing to refuel. Food supplies became the only limit on a nuclear submarine’s time at sea. Since then, similar technologies have been developed to power aircraft carriers.
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.
How do Navy ships dispose of sewage?
Typically, the Navy disposes of “blackwater” from latrines by pumping it into city sewer systems after docking. In the open ocean, warships pump the raw sewage into the ocean, a common practice by private vessels.
Which country built the first submarine?
Submarines were first built by Dutch inventor Cornelius van Drebel in the early 17th century, but it was not until 150 years later that they were first used in naval combat.
Where does human waste go on a submarine?
Originally Answered: Where does human waste go on a submarine? It goes into a tank, much like a homes goes through pipes and then to a sewage treatment plant tank. Then when we are deployed and far from any shore we pressurize the tank and blow it overboard.
Can you smoke on a submarine?
The Navy announced today a ban on smoking aboard submarines while they are deployed below the surface after medical testing showed non-smokers suffered effects of second-hand smoke. … Mark Jones of the Commander Naval Submarine Forces out of Norfolk, Va., said about 40 percent of the submarine sailors are smokers.
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 deep can Russian submarines go?
8,200 to 20,000 feetPolmar said there was “nothing in the U.S. fleet to match” the depths that the Losharik can take its crew. Various reports, he said, place the mysterious craft’s maximum depth at anywhere from 8,200 to 20,000 feet.
Do submarines have AC?
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.
What happens to old submarines?
Since then, and to help reduce costs, the remaining submarine sections are recycled, returning reusable materials to production. In the process of submarine recycling, all hazardous and toxic wastes are identified and removed, reusable equipment is removed and put into inventory.
Who had the first submarine?
1. Drebbel: 1620-1624. British mathematician William Bourne made some of the earliest known plans for a submarine around 1578, but the world’s first working prototype was built in the 17th century by Cornelius Drebbel, a Dutch polymath and inventor in the employ of the British King James I.