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Takeda Shingen · 01-02-09, 07:17 AM

Submarines frequently use chlorate candles to generate oxygen as a failsafe. In fact the candles are believed to have caused the explosion on HMS Tireless in 2007. However, in dire emergency, yes, they will ventilate. They also need to do so to run the emergency diesels, which is something they do regularly to ensure their smooth operation in a real emergency.

To add to AntEater and sonar, modern SSNs will frequenly slow to allow the towed array to decend into the deep channel, which allows, through convergence, one to detect sources much farther than could normally be heard. There are some legitimate ex-sonar men on this forum who could tell you a lot more.

In regards to depth, deep submarines are generally quieter than shallow ones. The primary reason for this is the water pressure, which allows for higher speeds without the risk of cavitation. Modern hulls are streamlined and strong enough to be relatively quiet under stress.

01-02-09, 07:17 AM	#3
Takeda Shingen Navy Seal Join Date: Mar 2000 Posts: 8,643 Downloads: 19 Uploads: 0	Submarines frequently use chlorate candles to generate oxygen as a failsafe. In fact the candles are believed to have caused the explosion on HMS Tireless in 2007. However, in dire emergency, yes, they will ventilate. They also need to do so to run the emergency diesels, which is something they do regularly to ensure their smooth operation in a real emergency. To add to AntEater and sonar, modern SSNs will frequenly slow to allow the towed array to decend into the deep channel, which allows, through convergence, one to detect sources much farther than could normally be heard. There are some legitimate ex-sonar men on this forum who could tell you a lot more. In regards to depth, deep submarines are generally quieter than shallow ones. The primary reason for this is the water pressure, which allows for higher speeds without the risk of cavitation. Modern hulls are streamlined and strong enough to be relatively quiet under stress. Last edited by Takeda Shingen; 01-02-09 at 07:19 AM.