Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
Re: U-boat toilets
Posted by: Walter Schmidt ()
Date: August 18, 2007 11:08PM

Do not know about the British boats, but the US boats had two sanitary tanks that the heads dumped into. These tanks were within the pressure hull, so they were usable at any depth. There were "blown" overboard daily, when the boat was surfaced. The US boats also had what was called an 'air expulsion head' in the after end (either motor room or torpedo room) which was only used above ~100 feet; the small tank required that it be expelled after each use.

In short, the US boats never had a problem with head use while submerged. In other words, they just had two very large buckets within the pressure hull.

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Subject Written By Posted
U-boat toilets Jukka Juutinen 08/17/2007 10:23AM
Re: U-boat toilets Ken Dunn 08/17/2007 02:16PM
Re: U-boat toilets Jukka Juutinen 08/18/2007 08:03AM
Re: U-boat toilets Jukka Juutinen 08/18/2007 12:39PM
Re: U-boat toilets ROBERT M. 08/19/2007 05:53AM
Re: U-boat toilets Richard Soderholm 10/21/2016 10:30PM
Re: U-boat toilets Rand 08/18/2007 11:51AM
Re: U-boat toilets Walter Schmidt 08/18/2007 11:08PM
Re: U-boat toilets surcufft@yahoo.c 09/16/2007 06:52PM


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