Quote:
Originally Posted by psneeld
Ships I have been on tended to have airtight exits from machinery spaces...then again all but a few were "combatants" at some level of build.
I thought that the constantly manned spaces within machinery spaces were positive pressure to stay clear of smoke/fumes and that principle was for safety beyond war fighting capability.
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Not much to argue with there, and because the engineering spaces in ships tend to be (but are not always so in practice in the civilian world) sealed off from living spaces, you can blow a ton of air in there and not fumigate the living spaces.
BTW, for the old Navy salts here, from 1996 to 2012 when I was regularly riding gas turbine powered warships as a Navy contractor, I began to see unmanned main propulsion spaces except during general quarters. Aft steering is never manned except at GQ, much different than in my day when it was always manned (see McCain collision).