Tom,
I personally don't think anyone on this thread fails to understand how a mechanical pump works.... just maybe views it differently.
And I don't remember physics being simple.. but that's just me!
I do appreciate all the perspectives, knowledge, and experience... even if they come with a dose of caca, but I can choose to not read or ignore anything I want!
I find bouncing stuff off others is valuable, even if I step in it or worse, upset people. I may think I know stuff, and I may actually know stuff, but more often than not, I'm missing something or really don't know what I thought I knew... not physics, more like philosophy, but that was a different course and I did better in physics.
Mike
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