[EMS Discuss] Vacuum Former Update

Bob Miller kbob at jogger-egg.com
Thu Feb 13 21:16:39 PST 2014

Cool!  How do you make a mold?

On Thu, Feb 13, 2014 at 8:08 PM, Rick Osgood <rick at richardosgood.com> wrote:
> I just wanted to send out a quick update about the vacuum former project.
> Tonight we got the vacuum system up and running!  And it works!  It took
> about 2-3 minutes to pull a vacuum that registered as 29 inches of mercury!
> (30 is a complete vacuum and he recommends at least 27 for a good vacuum
> former system).  It may have pulled more if we let it go longer, but we
> didn't test it.
> This gives me great hope for our vacuum system. There is a slow leak from
> somewhere(s) but I'm not sure it will present a problem since we don't need
> the tanks to hold a vacuum for longer than a few seconds.  We might be able
> to squeeze a bit more performance out of it if we can fix the leaks though.
> I intend to put up a blog post with some photos and hopefully a video clip
> this week.  Keep your eyes peeled.
> Next step is to build the front control panel and get everything mounted to
> it.  I intend to have this completed by the end of March.
> Rick
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Bob Miller                              K<bob>
                                        kbob at jogger-egg.com

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