Looka that stack! That stack is straight as...straight as...well, straight as a thing that's really, really straight. Better than last time, anyway.
Right now the kiln is cooling; first glaze fire with new stack went without incident. Not that I expected an incident: if the dimensions are the same as the old stack, there's no reason why it would fire any differently. But kilns are weird. And the dimensions are not precisely like the old one: the new stack is one layer shorter, because previously the kiln always drew a little too hard. Not enough to get up on the roof and fix it ( I HATE HEIGHTS) but since I had to rebuild it anyway....
The firing was a little slower than I expected; which might have been a function of the weather - kinda windy - or the changes in the stack. And the damper positions are noticeably different now: I have to push the damper further in to achieve the same reduction. Possibly, in building the stack straighter, I created a slightly larger cross-section? Dunno. Don't care, actually, expect abstractly, as long as I get good results.
...which I shall know soon! I pulled the spy to peek, and not only do things look good - what little I could see - but it seems cool enough to unload. So I'm off to do just that.
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