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I'm using an Ambex YM-5 and a Probat L12. The machines create very different profiles. I find it odd that the "dip" I get after first crack is so different between machines. I've also never been able to get a satisfactory answer on how to deal with this dip. I know what causes it, but some people say not to adjust the flame at all when the ROR decreases; just let it go. Myself, I think the answer is do adjust the burner, but not radically. Thoughts?
@vkess I'd think that whatever control scheme keeps you closer to your plan is the right way to go. Sometimes that means a gas adjustment, sometimes it doesn't.
There was a class at MICE and Expo (and retreat next) that so far has been building up a good set of data in support of the view that as long as you're hitting your development milestones and end at the same times and matching your end colors, people can't reliably distinguish between even very different machines in a blind triangle.