TheAndroid posted:

"The air from the
compressor blows through the straight drilled holes which creates a
vacuum on the remaining leg. I use mine for air conditioner work and it

will pull 29 lbs of vacuum."

One of these devices would be inadequate for Chuck to do the
demonstration he wants. A single-stage air conditioning evaculation
pump would be perfect, or as we did in the old days salvage an old
refrigeration sealed compressor from a junked refrigerator and us it,
after cleanup and flushing out, to provide the vacuum.

Harry C.