My point Brian.....
If you heat the barrels to 212 or a little higher a good amount of pressure will build up because the water will vaporize (at that temperature - remember, water boils at 212 degrees F) and escape, again, under pressure, until it is all gone from under the rib providing it was kept at temperature until it is completely caporized.... simple physics Brian....
Further, the weep hole is drilled after the barrels are blued to allow the vapor to escape, not before, which of course lets the warmter in.
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__________________
"I'm a Setter man.
Not because I think they're better than the other breeds,
but because I'm a romantic - stuck on tradition - and to me, a Setter just "belongs" in the grouse picture."
George King, "That's Ruff", 2010 - a timeless classic.
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