I'm not yet sure what to answer because I'm not sure what I do - obviously something is happening since it is not as severe as before, but I just can't see what it is that I'm doing. Maybe in a while the answer will become apparent.
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"There are a thousand things that can happen when you go light a rocket engine, and only one of them is good."
Tom Mueller of SpaceX, in Air and Space, Jan. 2011