Tom wrote:

Can I just drill a hole in a cylinder lengthwise, and another one
perpendicular to it (or at an angle), drill and tap for the 1/4 NPT
connections and be done, or is there more to it? What kind of
hole diameters work best? Should the holes be tapered?

This should help:
http://www.motor-manufaktur.de/werkstatt/07_vacuum_pumpe/en_index.html


Nick
--
Motor Modelle // Engine Models
http://www.motor-manufaktur.de
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