[VAC] Re: air lift compressor

["Dr. Gerald N. Johnson, electrical engineer" <geraldj@xxxxxxxx>]

When selecting a pump for tires and for water tanks, its important to
select the one in the collection rated at the LOWEST pressure because
with the same motor that one will do the greatest volume. Its easy to
cut the diameter of the cylinder (and so the volume) to get a big number
on pressure. Pumping tires and water tanks we need volume at maybe 30 or
40 PSI, not a dribble at 250 PSI!

Gerald J.