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Originally Posted by TopTorp '92
Excellent comments from Bill and Bubblehead Nuke above.
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Originally Posted by Bubblehead
Why thank you.
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quite welcome
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Originally Posted by Bubblehead
The equalization system, if I remember correctly, was so that you could open the outer doors after flooding the tube. It was only exposed to sea pressure when the ejection pump door was open. There was not a seperate isolation for it.
As for the 2000# air used. Oh yeah, how could ANYONE forget venting the ram inboard after shooting a weapon. A 688 shooting a torp makes a VERY distictive noise transient as you pointed out to me YEARS ago.
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There are tactical issues associated with the torpedo tube selection. You always shoot the target using an opposite tube. Starbard tubes are used to shoot portside targets; likewise, port tubes are used to shoot starbard targets. Studies have shown that the target is likely to fail detecting the transient associated with a tube fired on the opposite side of the ship. This has everything to do with the fact that the ships aspect exposes the operating noises for that aspect. The transient reduction alone will spell the difference between a target that alerts early and one that fails to alert at all.
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*Emergency Main Ballast Tank Blow System (EMBT.) This system has hull valves actuated from the BCP. The back-up hull valves are always open. The hull valves are normally shut.
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Originally Posted by Bubblehead
I think I need to requal!
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get hot!
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*The ship's whistle uses 150lb air in order to function. These hull & back-up valves are manually operated.
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Originally Posted by Bubblehead
Ok, that is an EASY one to forget.
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. . . only because it was forward of the watertight door
