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non nuclear submarines.. um.. How the Hell does it work?

Read the FAQ.

Has a snorkel that allows it to dive a few feet, past that it draws in air from the cockpit.
 
Originally posted by: Quasmo
deisel fuel
Click to expand...

Only if it was running on the surface. Otherwise, it would probably run like pre-nuclear subs: Battery power for when under water and when on the surface, a diesel motor would run to recharge the batteries and propel the sub.
 
Were pre-nuclear subs set up to operate from the air tanks? The air tanks were use for ballast, couldn't they draw in air from that and dump their exhaust into another tank? The net result would be zero change in mass of gas in the submarine. I dunno.
 
Originally posted by: Triumph
Were pre-nuclear subs set up to operate from the air tanks? The air tanks were use for ballast, couldn't they draw in air from that and dump their exhaust into another tank? The net result would be zero change in mass of gas in the submarine. I dunno.
Click to expand...


No, most subs went to battery underwater. Not only did this not require them to use up their oxygen, it also made the sub silent. A noisy sub isn't a very good one.
 
Originally posted by: Brainonska511
Originally posted by: Quasmo
deisel fuel
Click to expand...

Only if it was running on the surface. Otherwise, it would probably run like pre-nuclear subs: Battery power for when under water and when on the surface, a diesel motor would run to recharge the batteries and propel the sub.
Click to expand...

*tick* Answer.
 
During WWII the surface time required to charge batteries is what ended up ending the German rampage of Atlantic shipping. They used to do it mainly during the night time but once then Captain Daniel Gallery of the USS Guadalcanal demonstrated that you could do night ops on air craft carriers they weren't even safe then.
 
Originally posted by: DivideBYZero
Originally posted by: Brainonska511
Originally posted by: Quasmo
deisel fuel
Click to expand...

Only if it was running on the surface. Otherwise, it would probably run like pre-nuclear subs: Battery power for when under water and when on the surface, a diesel motor would run to recharge the batteries and propel the sub.
Click to expand...

*tick* Answer.
Click to expand...

they don't really need to surface, they have a "snorkel" for air.
 
The Germans offer a submarine with fuel cells in addition to the normal diesel electric propulsion set (Type 214, IIRC).
 
Originally posted by: Linflas
During WWII the surface time required to charge batteries is what ended up ending the German rampage of Atlantic shipping. They used to do it mainly during the night time but once then Captain Daniel Gallery of the USS Guadalcanal demonstrated that you could do night ops on air craft carriers they weren't even safe then.
Click to expand...

Also radar, sonar, faster convoys, and the allies increasing ability to compromise Enigma.

 
Originally posted by: Triumph
Were pre-nuclear subs set up to operate from the air tanks? The air tanks were use for ballast, couldn't they draw in air from that and dump their exhaust into another tank? The net result would be zero change in mass of gas in the submarine. I dunno.
Click to expand...

Uhh, not quite.

Oxygen gets combined with carbon etc. Gas coming out does not necessarily have a net ZERO sum gain, as there is a chemical reaction going on....
 
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