I found this specification performance of a lab aspirator used as a
vacuum-pump

" Air removal is extremely rapid. Evacuates liter of air to 28 inches of
vacuum in 30 seconds with water pressure of 60 pounds. Also works with
compressed air sources to 60 psi."

RBerglund


If push comes to shove, you could use an idling automobile engine's
vacuum.

roger paxton

That is a great idea. All you have to do is make sure no resin get in it.

Paul Lamar

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