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Old 01-01-2011, 01:40 PM #1
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Default WTB: Vacuum Pump

Greetings to All.
Just wanted to throw this out there, in case someone has such a beast lying around.
I am looking for a mechanical vacuum pump capable of reaching 10 microns and below (used, of course). For this cause, I offer 150 eu, which is 200 dollars exactly. Also looking for a vacuum gauge. On A slightly more laser related note, I'm Also waiting on some ArIon offers. So if anyone has anything I need they wish to sell, then speak up!


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Old 01-01-2011, 02:54 PM #2
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Default Re: WTB: Vacuum Pump

I'm terribly sorry.... saw title, couldn't resist...


You mean one of those?
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Old 01-01-2011, 04:45 PM #3
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Default Re: WTB: Vacuum Pump

course I do
Buy it new, half the fun's gone
EDIT: are you sure it can go down to 10 microns?
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Old 01-01-2011, 05:58 PM #4
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Default Re: WTB: Vacuum Pump

This thread is so full of win.
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Old 01-01-2011, 10:43 PM #5
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Default Re: WTB: Vacuum Pump

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Old 01-02-2011, 12:42 PM #6
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Default Re: WTB: Vacuum Pump

Amusing As it is gentlemen, I still need to purchace a pump. Could we mabe head back to topic?
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Old 01-03-2011, 04:57 AM #7
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Default Re: WTB: Vacuum Pump

I'd think even a high quality 2-stage refrigeration duty vacuum pump would have trouble getting below 10 microns, so I don't know that you'd be able to get such a pump for $200
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Old 01-03-2011, 08:29 PM #8
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Default Re: WTB: Vacuum Pump

A 2-stage could, given enough time and A zeolite trap. I may have to purchace/create A diffusion pump later. But for now, Any offers would be great!
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Old 01-04-2011, 07:10 AM #9
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Default Re: WTB: Vacuum Pump

Yep - to pump down gas lasers is one use.

You pump down your plasma tube then let in the right mixture of gases to make different lasers e.g. helium and neon for a home built hene, cabon dioxide and other gases for a co2

Most lasers dont work at atmospheric pressure (one exception: the n2 laser), so a vacuum pump is a vital piece of hardware for the homebrewer.
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Old 01-04-2011, 09:16 AM #10
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Default Re: WTB: Vacuum Pump

The cost of shipping is your largest obstacle in purchasing a vacuum pump. Here is one that is over-budget.....................

Find 4 CFM (130 lpm), 2 Stage Refrigeration Vacuum Pump on eBay International Market, with worldwide deals on items in all your top categories. Everything ships to your country!
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Old 01-04-2011, 03:42 PM #11
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Default Re: WTB: Vacuum Pump

Thank you for All your help. I have purchaced A pump on ebay, capable of 30 microns base pressure, for 238 dollars. (w/shipping). The company was recommended by the belljar, And that was A crucial factor. You can improve the ultimate vacuum quite easily. (using A trap)
Actually, this pump is going to be used to pull down A co2 laser, and then in A farnsworth fusor.
Does anyone think I should post up A review, when it arrives?
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Old 01-04-2011, 06:30 PM #12
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Default Re: WTB: Vacuum Pump

Knowledge is power!
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Old 01-05-2011, 02:10 AM #13
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Default Re: WTB: Vacuum Pump

I'd be interested in a review..
Also, why might all your a's be capitalized? Just curious=p
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Old 01-05-2011, 09:10 AM #14
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Default Re: WTB: Vacuum Pump

Just A trick I picked up. If my Account is hacked, the poster will not follow this simple rule, And thus will be exposed. Kind of like A sig which you copy into your post, manually. When I get the pump, A review will be forthcoming.
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