Have you ever wondered what the differences are between a submarine and a submersible? In this video we will find out the most important differences between a submarine and a submersible, such as the mode of propulsion, the pressure they withstand, the autonomy of operation or the type of missions that these underwater vessels carry out. You will also find out which are the most famous submarines and submersibles in history, as well as tragedies such as the implosion of the Tinan submersible.

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✳️ How long can submarines remain under water?

A submarine's ability to stay underwater depends on several factors, including its design and technical capabilities. Modern military submarines are capable of remaining underwater for extended periods of time, from several days to several months. They are equipped with advanced fuel and oxygen systems, as well as food and water supplies for the crew.

For example, nuclear-powered nuclear submarines can stay underwater for months without surfacing to renew themselves. These submarines use nuclear power to propel the ships and generate electricity, which allows them to remain underwater for long periods of time without depending on atmospheric air for power.

✳️ How long can submersibles stay underwater?

Submersibles, unlike submarines, are underwater vehicles that are not designed for long-term use underwater. They are generally used for short-duration dives at shallower depths and have a limited capacity in terms of time spent underwater.

The maximum time a submersible can remain underwater can vary depending on its design and specific characteristics. Commercial and research submersibles can typically stay underwater for anywhere from a few hours to a few days, depending on their oxygen and power supply system, as well as their water and food storage capabilities.

✳️ Can submersibles go deeper than submarines?

Yes, submersibles are generally designed to reach greater depths than submarines. Submersibles are specialized underwater vehicles designed for deep ocean exploration and research. They are built to withstand the extreme pressure and other difficult conditions encountered at great depths.

Submersibles can be equipped with special materials and technologies, such as pressure-resistant constructions, special pressure-resistant windows, oxygen supply systems and control systems adapted for great depths. These features allow submersibles to withstand and operate in extreme pressure environments such as the deep ocean.

In contrast, submarines are generally designed for military or civilian use and have different capabilities and purposes than submersibles. Most military submarines are designed to operate at shallower depths than submersibles

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