Resend, was dropped.. -------- Original Message -------- Subject: Re: [Homebrew_PCBs] Re: bubbler - more air for bigger bubbles Date: Wed, 09 Mar 2005 16:58:34 -0500 From: uhmgawa <uhmgawa@...> To: Homebrew_PCBs@yahoogroups.com CC: uhmgawa@... References: <d0nbcv+ra46@...> <422F65DD.9040802@...> Adam Seychell wrote: > This is where you need more > air than conventional home fish tank air pump. I've looked around for > such pumps and found some hydroponic stores sell large pumps, and then > there are places that sell pumps for outdoor fish ponds and even home > sewage treatment. There are high volume air pumps that are not too > expensive. These cheaper high volume pumps are a bit louder and shorter > life span, but that is unimportant for etching. Why not just use an inexpensive air compressor? Even tank models can be had for ~$100 at places such as Walmart including pressure regulator. You likely only need 3-5 PSI at maybe 1-2 CFM if that. A compressor is also useful as a source of air for reflow soldering and vacuum source (with a $10 venturi style pump) for desoldering, pick/place, etc.. -- uhmgawa@... www.gnu.org -- uhmgawa@... www.gnu.org
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[Fwd: Re: [Homebrew_PCBs] Re: bubbler - more air for bigger bubbles]
2005-03-15 by uhmgawa
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