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Air conditioner pumps work in a closed loop so the oil level doesnt change. You will need some way to re-fill the oil after each use. You will need to match the pump capacity to the diff pump size if

In my never ending search for goodies that will do something they were never designed for I've come across a vane type compressor from a datsun. at present I do not have a motor to drive it so cannot

Just a couple of other thoughts (sometimes I talk more than I say) You probably do not need a vacuum gauge at all, of course it helps but from my limited playing around when the rough pump gets quiet

Tons and tons of great info Thanks James used propane tanks are available for free from propane filling stations just fill with water or blow out with air while cutting I found a 21" dia water tank

How would we do that? Is there an archive somewhere? That sounds like a better idea.

Hi Gang... James Lerch has posted to another forum (atm@...) a description of how and why he made his system. I recommend that you read it and see if this information is applicable to your use.

Thanks guys, a good starting point. Like most of my projects I'm trying to build from nothing and make as much as I can myself. regards Charles I started out with nothing, I still have most of it

Charles, A good book to read, which I found rather helpful is: Procedures in Experimental Physics John Strong, Ph.D. Lindsay Publications, Inc. ISBN 0-917914-56-2 Here are some websites that got me

I would suggest you start with some sort of books that explains the fundamental concepts, so that you will gain an intuitive understanding of what has to happen to make your system work. possible

Hi all, would anyone have any drawings (sketches) or plans that show how a vacuum system suitable for aluminising would be set up? In other words how do all the bits and pieces join together? The

Alberto did you get my e-mail to you personally It might be best to shop Ebay-- right now there is two controllers for sale, both are thermocouple and ion combination these are not tested and may not

I've been thinking of picking up one of the printed collections of older issues, but if they're into serious esoterica, I may reconsider. Fine by me, because that's what I am!

I haven't kept up on the Bell Jar as they were heading into deeper water than I could swim in and had progressed to projects that I wasn't interested in. I'm hoping that we can keep this forum mainly

I thought The Bell Jar was sort of a internet tie-in to the paper publication. Is that still around? That's the way most special interest groups are, it seems. Once I get a digital camera, I'll post

Hi Bill, Thanks for stopping by and joining... I searched and searched for a forum and found the Bell Jar too... seems they are on a "linear track". They started out simple and progressed to complex

(just found this msg, since I just joined) Well, given that it's a somewhat specialized field of interest, and stumbled across it quite by accident, you might need to allow some time for others to do

Hi folks, just found the group and joined, thought I'd say hi. I'm a general experimenter / mad scientist type, currently in the process of rebuilding a Veeco VE- 300 general purpose vacuum system.

Ill let you know what I can do in a few days. All thermocouple gauges work the same only the pin locations are different so if you dont need high accuracy and are willing to play around with the wires

AGUSTIN GASPARINI <teveotron@...> wrote: should have the info in a few days let me know if you do not get my e-mail I will use the sistem for cathode ray tube recovery, and the diffusion pump I