Azoth@cup.portal.com (Victor cthulhu Gibbs) (04/09/89)
Help.
I am looking for plans on building a plasma display globe.
Can anyone help me by sending plans or recommending a place
where I can locate the plans.
Thanks
I can be reached USnail at
Chris Thomas
D313 Garcia
Las Cruces, NM
88003
or email
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demarco@cpsc.ucalgary.ca (Vince Demarco) (04/09/89)
In article <16914@cup.portal.com>, Azoth@cup.portal.com (Victor cthulhu Gibbs) writes: > Help. > > I am looking for plans on building a plasma display globe. > Can anyone help me by sending plans or recommending a place > where I can locate the plans. > Thanks > Well, one place is Information Unlimited... I can't remember their address at the moment, but you should be able to find their ads in quite a few electronics magazines (Popular Science, Radio-Electronics, etc). In addition to plasma globes, they've also got a variety of interesting stuff including magnetic and sonic devices and lasers.. One other note I might make, is if you get the plans to their "solid state tesla coil" you can buy one of those small light bulbs that look more or less like a clear globe, connect the output of the coil to bulb and provided that the bulb is filled with a gas and the output of the coil is great enough you'll get the same plasma globe effect when you touch your hand to the glass. I've done this and it seems to work well, the only problem is to find a bulb of the right size for the output of the coil.. (the filament should be right in the centre of the bulb, otherwise you'll get effects greater in one direction than the other) If you DO decide to go this route, coat the base of the bulb (where the metal screw connection meets the glass) with epoxy or RTV as the unit tends to produce a corona at that junction... Vince Disclaimer-> Neither I nor my associates are responsible for any damages resulting from the use of the information herein. This information is, the the best of my knowledge correct, however I will not take responsibility for the misuse or misinterpretation after all, it may have been garbled in transmiss}}}}i}i}i ;-) Replies to: Vince Demarco care of the following: CYLau@UNCAMULT.BITNET CYLau%UNCAMULT.BITNET@MITVMA.MIT.EDU
sprouse@cory.Berkeley.EDU (Steven Sprouse) (04/10/89)
In article <16914@cup.portal.com> Azoth@cup.portal.com (Victor cthulhu Gibbs) writes: >Help. > >I am looking for plans on building a plasma display globe. >Can anyone help me by sending plans or recommending a place >where I can locate the plans. >Thanks > A recent issue of Radio Electronics had plans for a plasma globe. I believe it was either the Dec. 1988 or the Jan. 1989 issue. They also have a reference for plans for a suitable power supply. (I think the power supply design was sometime about the April 1988 issue.) I got all the parts but have not had the time to put it all together. The key thing you need is access to some sort of vacuum pump and a source of inert gasses. The pump does not have to be fancy . Any high school or college physics dept will have one. As far as the inert gases go, you don't need that much gas but I don't know what the smallest quantity you can buy is. -Steve