While on the heels of Geoff Duke, Elvis Hargrove said:
 -> being equal, it seems that any amount of pumping action would move
 -> the water no matter how high you are above the equal static levels.
 EH> Sorry Russ, but even if you provide a perfect vacuum you can only lift
 EH> water a certain distance.  You see, it's not the vacuum that raises
 EH> the water but the pressure on the surface.  Since you only have about
                       ^^^^^^^^^^^^^^^^^^^^^^^^
 Yep, that's true.  I missed that day in Mr. Crase's science class.  Anyway,
 pressure being the driving force against a vacuum is a tough one to grasp.
 Tha also explains why a  bubble of CO2 forms at the peak of my siphon hose
 while transferring my homebrew from one vessel to another.. :)
 
... EXPERT: X=unknown, Spurt=drip under pressure..........
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