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View Poll Results: Will SSNs ditch there diesel backups and switch to AIP backups?
Yes! AIP systems would be better. 1 7.69%
No! AIP systems are better but Navy brass hate change 5 38.46%
Maybe... some navy will probably try it... probably the French 4 30.77%
No way! Diesel all the way baby! 3 23.08%
Voters: 13. You may not vote on this poll

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Old 01-24-07, 09:33 AM   #1
Henson
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The diesel has many purposes, one of which is to emergency ventilate the boat after a fire.

Blower takes forever, diesel sucks that air out in about 20 minutes. That's important when you see nothing but black smoke through your mask.
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Old 01-24-07, 11:46 AM   #2
I-25
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jajaja had to be the french:rotfl:
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Old 01-24-07, 01:39 PM   #3
LoBlo
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Quote:
Originally Posted by I-25
jajaja had to be the french:rotfl:
ha. I wasn't knocking the french. Just that they seem more willing to try unconvientional SSN designs like the Rubis where they used a small nuclear-electric drive or the Barracuda with a nuclear direct drive/electric drive hybrid.

Quote:
Originally Posted by Henson
The diesel has many purposes, one of which is to emergency ventilate the boat after a fire.

Blower takes forever, diesel sucks that air out in about 20 minutes. That's important when you see nothing but black smoke through your mask.
That's interesting, how does that work? Just opening up the air intake manifold of the diesels to the cabin air and letting the engines suck the bad air out? Didn't know that...
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Old 01-24-07, 10:26 PM   #4
Henson
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Quote:
Originally Posted by LoBlo
That's interesting, how does that work? Just opening up the air intake manifold of the diesels to the cabin air and letting the engines suck the bad air out? Didn't know that...
Little more to it than that, but yeah, pretty much.

When we ventilate we intake air through the snorkel mast and expel it out some...well, basically some grating in the sail, or into the ballast tanks if we're surfacing. If we use the diesel, it sucks up more air than the blower could ever hope to push. Smells bad, but strangely enough it fixes air quality problems caused by casualites.
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