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surfalex
Joined: 08 Aug 2008 Posts: 73
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Posted: Mon Apr 26, 2021 9:06 am Post subject: Vacuum pump |
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Vacuum pump for board building and repairs
Any suggestions ?
I got a cheap pump on Amazon ( zeny 3.5 Cfm )
Plenty of power but extremely smoky and sputters oil through exhaust ( big mess )
Need something cleaner
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dllee
Joined: 03 Jul 2009 Posts: 5329 Location: East Bay
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Posted: Mon Apr 26, 2021 11:11 am Post subject: |
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Your vacuum cleaner or a 24 dollar shop vac.
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Gwarn
Joined: 22 May 2013 Posts: 124 Location: SF
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Posted: Tue Apr 27, 2021 8:19 am Post subject: |
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Diaphragm pumps work the best.
Quiet operation and they don't contaminate the environment with oil.
Ebay or craigslist
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thombiz
Joined: 25 Jun 2007 Posts: 799 Location: Corpus Christi
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inf2003
Joined: 15 Jan 2009 Posts: 148
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Posted: Mon May 03, 2021 10:18 am Post subject: |
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I bought mine here. The owner builds them and has great customer support. Works great . Makes custom bags and has been in business many years.
https://veneersystems.com/
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dmilovich
Joined: 19 Jul 2009 Posts: 99
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Posted: Tue May 04, 2021 7:51 am Post subject: |
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Be careful when vacuum bagging a board - it’s possible to collapse the EPS or similar foam. Board Lady recommended no more than 7”-8” on the gauge, I believe.
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westender
Joined: 02 Aug 2007 Posts: 1288 Location: Portland / Gorge
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Posted: Tue May 04, 2021 1:37 pm Post subject: |
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Brian Hinde always used a Shopvac and would explain in great detail why he did it that way. I remember it had something to do with 7.
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rigitrite
Joined: 19 Sep 2007 Posts: 520 Location: Kansas City
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Posted: Tue May 04, 2021 1:37 pm Post subject: |
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I you have an abundance of compressed air supply, then you might wanna look at a venturi pump: cheap, easy to use, effective, no moving parts, almost impossible to break. I use mine to evacuate the A/C system when doing work on cars and it works great. You can get them from Harbour Freight.
With bagging, you'd just have to install a ball valve and close it off after you pull the vacuum you want. Then every "X" interval suck it down somemore as the resin off-gasses.
_________________ Kansas City |
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