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Something I've always wondered about... on a Vanderbilt tender, why is the oil bunker sort of wedge-shaped and grafted into the cylindrical water tank? Why didn't they just divide the tank, with one section for water and one for fuel? Seems like that would have been easier to construct.
 

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I "think" that wedge shape was originally to funnel the COAL to the front where the stoker screw carried it to the firebox.
 

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That was my understanding as well C.T. from years of modeling S.P. in H.O.
 

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Posted By Ray Dunakin on 11/12/2008 12:40 PM
Yeah, some were probably converted from coal to oil, but weren't some vandy tenders built for oil to begin with?



I have seen some tenders that were just a long cylinder tank with some indication that it was split internally to hold water and fuel in separate spaces, but very few (mostly of non-American design). I figure the ones that were built as oil fuel tenders from the beginning were probably just a tank modification to the coal design... why redesign the whole thing when you just need to seal up the coal space to hold a liquid.
 
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