Why would anyone on usenet want facts?

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
..

"Dave Martindale" wrote in message
...
: "Stormin Mormon" writes:
: Both have oil. One is splash lubricated, and needs to be
checked
: once a year or so. The other has the oil soaked into the
bronze.
: Which has a lot less oil to work with, and the "oil-less"
really
: isn't without oil. They just don't tell you about the oil, is
: all.
:
: Have you actually looked at an oilless compressor, or are you
just
: guessing? Where is the bronze bearing you are talking about?
:
: I have an oilless Sears compressor. The motor and crank
bearings seem
: to be sealed ball bearings, so no oil is needed there (unless
you want
: to count the oil that is part of the grease that is packed into
the
: bearings). The piston rings are apparently some sort of
graphite that
: slides dry on the cylinder liner. Thus, the air is not exposed
to oil
: at all - which is the real point of an "oilless" compressor.
No bronze
: bearings in sight.
:
: Oil-lubricated compressors have a crankcase, and use oil
lubricated
: bearings and the piston is oil lubricated. This apparently
gives lower
: piston wear and longer time between rebuilds, but you end up
with a bit
: of oil in the compressed air.
:
: Dave