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Author Topic: Creating Vacuum  (Read 4962 times)

Offline Trey @ TNT Game Calls

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Creating Vacuum
« on: September 29, 2013, 08:39:45 PM »
Hey guys,

I've got a few blanks that are very old and fragile and are in need of stabilizing.  So I have been thinking about getting involved in stabilizing myself.  I can come up with a vacuum chamber, but I am looking for a good source for vacuum.  Has anyone ever tried using a water aspirator with a regular garden hose to obtain vacuum?  I have been looking around at pumps and would like to try to start off with something pretty cheap since Im not sure how much of this I will be doing.  Im just not sure that this will pull enough vacuum.
Thanks in advance. 
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Offline dogcatcher

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Re: Creating Vacuum
« Reply #1 on: September 29, 2013, 08:57:35 PM »
Cheapest method that I know if a brake bleeder vacuum pump.  http://www.harborfreight.com/brake-bleeder-and-vacuum-pump-kit-69328.html  At $30 it isn't the greatest but knife makers were using long before callmakers started to stabilize wood.

Marvin
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Offline Wayne at Winzer Game Calls

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Re: Creating Vacuum
« Reply #2 on: September 29, 2013, 10:52:49 PM »
Trey,
I found my refrigeration vacuum pump at a local auction for $25.00. Took it apart, clean out the goop and added fresh oil and it hasn't missed a lick. There's not much to the inside of one but you may need a gasket set from a refrigeration shop. Also, a pawn shop is sometimes a good source for not to much money. Just remember to change the oil pretty often if you use it much. That's the key to making them seal inside and last longer.
Wayne
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Offline TurnTex

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Re: Creating Vacuum
« Reply #3 on: October 09, 2013, 02:50:53 AM »
About the cheapest you can do is to use an old refrigerator compressor.  You should be able to get one practically free.  Then, just wire it up to a plug and plug it in.  Figure out which of the copper lines suck and which one blows.  Use a compression fitting on the one that sucks to make connection to a host and you are all set.  They will pull somewhere around a 95% vacuum and are real quite.  Granted, a rotary vane pump will do a better job pulling a deeper vacuum but the refrig pump is a pretty cheap way to get your feet wet.
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Offline Bob from Eames Custom Calls

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Re: Creating Vacuum
« Reply #4 on: October 10, 2013, 06:10:33 PM »
I used a cheap Harbour Freight AC vaccume that hooked to an airline when I first started screwing around with stabilizing. It pulled a ton of vaccume, but it was loud and abnoxious as a 2 year old in a movie theater.

 A fridge compessor is a great idea!

 Bob
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Offline Ozark Wood

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Re: Creating Vacuum
« Reply #5 on: December 13, 2013, 11:27:12 AM »
My set-up uses a paint pot for the chamber. I bought and unused Gast vacuum pump from a guy who goes to industrial auctions. Got it for next to nothing. Works great. Finding hoses that don't break down from the solvent fumes is a problem.
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