Q: What are the characteristics of a diesel powered submarine?

A: Their propellors are driven by diesel engines instead of steam-turbine electric powered nuclear reactors.

Q: How long can a diesel powered submarine remain submerged?

A: A couple of hours. Depends on how much oxygen they've got stored, and how good their hydroxide recyclers are.

Q: What is the difference in speed between a diesel submarine and a nuclear submarine?

A: The power drive is not the issue... it's the size and shape of the sub. Diesel subs tend to be smaller and more svelt, so they tend to run faster, plus they're quieter. Diesel subs are normally used to hunt nuclear subs. can electrolyze all the oxygen they need from water.

Q: Which submarine type is bigger and holds a larger crew?

A: Nuclear subs... by a long shot. Nuclear subs *have* to be huge because they have to be big enough to hold a nuclear reactor, but with that nuclear reactor they can stay underwater almost indefinitly, because they can electrolyze all the oxygen they need from water.

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