Quote:
Originally Posted by John_142
I did read not long ago in one of the Railway Magazeen that they had some problems with the toilets on the Pendalinos becasue of the quiality of the pipe worrk in to the septic tank in the roof ad this is were th waste goes on these i belive probably because some lines into London are third rail.
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Yes I'd heard that there were problems with toilet waste fumes on Pendolinos, but I've never heard of putting a CET tank in the roof of a carriage before. Most Controlled Emission Tanks are underslung, because as in all sewer systems it's easiest to let gravity do the work, and also if there's a leak it will run away from the passenger compartment. Plenty of DC trains have their tanks below sole bar level...eg; 319, 465/6, 375/7.