Re: HO Tank Car Lid


"...the destructive power of a vacuum at -27psi."

I used to run a three-stage vacuum pump, and I could never get it below approx -15 psi.  Wonder what I was doing wrong.


Edward Sutorik

On Mon, Nov 23, 2020 at 01:14 PM, Charles Peck wrote:
Here is a tank car vacuum collapse live.
Chuck Peck

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