Interval before it makes sense to douse a fire

[NW Mailing List]

Hello folks,

I have a question about the current operations of a steam locomotive like
611. As I suspect we all know, 611 is in Strasburg for the summer and is
running on select weekends. How long would a steam locomotive need to sit
idle before it makes sense to douse the fire and then re-fire it up later?
And I recognize that the answer might be different for different sizes of
locomotives.

Thanks!
Tom Fulton
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Asheville, NC
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