For small craft in board electric motors, how do they design the dripless shaftseals ? Any reference material online? Thanks
"Eisboch" <eisboch@nowhere.com> wrote in message news:wfqdncW-NbLWT9XfRVn-hQ@giganews.com...>
If you are talking about a standard shaft seal, it is supposed to leak
very> slightly, meaning a few drops per min. to provide lubrication and cooling
the seal. The shaft seal packing occasionally needs replacment and the> packing nut occasionally will require an adjustment as the packing wears.> If the packing nut is too tight and there are no drips, you run the risk
burning up the shaft seal.>
There are dripless shaftseals available that will not drip. They require> water cooling lines to operate.>
