William R. Watt wrote:

Ron Thornton ) writes:


... I spite of the physics, I believe I could
have pulled 25 psi with it (maybe thru a worm hole from Jupiter). On
the output side she would put out 300 psi. All of this was back when
vacuum pumps were a lot more than $50 on Ebay.


another PSI supporter, "Pressure Scale Inches" (of mercury).

Oh, NO! Not another measure! We have enough already! ;-)

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com