I couldn't find anything online on servicing a vacuum pump. I might have to perform my generic service routine. Take the thing apart, clean everything, replace anything worn, lubricate anything that moves, put back together. I do remember from my lab days that vacuum systems use silicone grease as a seal and lubricant and it got everywhere very quickly. What fun.
The goal is indeed to make large discharges in glass. As well as make a vacuum cannon (look it up), the most impressive thing to do when you can get a good vacuum. That and re-enact Joseph Wright's painting " experiment with a bird in the air pump" I suppose. On 09/06/2015 5:45 AM, "gregebert" <[email protected]> wrote: > I saw a few tidbits online from a google search, but no service manual. > Might be very hard to get spare parts, etc. > > I was planning to experiment with a vacuum pump from Harbor Freight Tools > later this year; people have claimed it can pull down to 25 microns (yeah, > right.....) but it's definitely good enough to get a glow discharge. I plan > to see if I can get anything interesting with helium and/or argon inside a > glass beer-bottle. > > Sounds a bit silly, but it shouldn't be too difficult to get a decent > seal on it, then bake-out the impurities in a modified toaster-oven. No > need for dangerous bombarding. Helium is very easy to get, and seems to > have enough spectral emission in the visible region. > > Where am I going with this ? Just suppose it's possible to make a large > nixie-like tube the size of a beer-bottle. Think CD47 (saw *one* on Ebay > yesterday for $1300; apparently the seller gave up trying to find enough of > these to build a clock. Gone now.). > > > > > > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/1c6a95d0-41af-4759-9d2c-fd0b03feb5ea%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/1c6a95d0-41af-4759-9d2c-fd0b03feb5ea%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAHjG12Qxrrj2towge%3DFc7aaP%2BiGND4f6mAiKryJX7pmY6mttng%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
