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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...
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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.