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#31
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Now *that's* clever. I admire clever.
Jim Mike Patterson shared these priceless pearls of wisdom: - -Those aquarium air pumps pull air from around the case. - -How about placing one inside a cheapo tupperware-type container with a -"suck" port mounted on the container, you'd also need to run a "blow" -port from the pump's normal output through the container wall. - -HTH - - -Mike Patterson -Please remove the spamtrap to email me. Jim Weir (A&P/IA, CFI, & other good alphabet soup) VP Eng RST Pres. Cyberchapter EAA Tech. Counselor http://www.rst-engr.com |
#32
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Jim,
That air compressor sprayer I gave you a couple of years ago is just a venturi. Use the liquid imput end to generate the vacuum. Unless ypu lost it, you already have what you need. -- Bob (Chief Pilot, White Knuckle Airways) "John Mireley" wrote in message ... Jim Weir wrote: Does anybody have an idea on how to make a tiny little vacuum pump on the order of an aquarium pump or so that will draw just a few inches of water? Preferably 110, but I can rig up a 12 volt supply if necessary. If you have a compressor, use a venturi vacuum generator. Harbor freight has them for about $10 from time to time. |
#33
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On Mon, 19 Jan 2004 17:45:27 -0500, Mike Patterson
wrote: On Sat, 17 Jan 2004 19:03:40 GMT, Tom Pappano wrote: Jim Weir wrote: Does anybody have an idea on how to make a tiny little vacuum pump on the order of an aquarium pump or so that will draw just a few inches of water? Preferably 110, but I can rig up a 12 volt supply if necessary. Just get a little "mityVac" hand pump used for testing vac advance etc on cars. Or if you really need it mechanized, make an adapter for your vacuum cleaner with an adjustable bleed The reason I say this is that I'm getting ready to pack a fairly large number of bags with used but serviceable engine parts (valves, pistons, etc.) and I'd like to put each part in a "baggie" (sandwich bag or equivalent) along with a little preservative oil, and then suck the baggie down with a football needle stuck into the top closing mechanism just before sealing. Thoughts? Jim Jim Weir (A&P/IA, CFI, & other good alphabet soup) VP Eng RST Pres. Cyberchapter EAA Tech. Counselor http://www.rst-engr.com Those aquarium air pumps pull air from around the case. How about placing one inside a cheapo tupperware-type container with a "suck" port mounted on the container, you'd also need to run a "blow" port from the pump's normal output through the container wall. HTH Mike Patterson Please remove the spamtrap to email me. |
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