On Tuesday 12 February 2019 12:45:22 Les Newell wrote: > You'd probably be better off with something like this: > <https://www.ebay.com/itm/CAMPBELL-HAUSFELD-1-Gal-Air-Compressor-110-P >SI-Max-Pressure-Portable-Lightweight/283371934304> > > Les > I've thought of that too Les, since I have a 125lb 8 gallon version of that noisy thing under the workbench about 8 or 9 feet of hose away, and pressure regulating stuffs too. But I don't have a solenoid valve to shut it off. Lemme see if I can find a valve on fleabay. Yup, $16 for a 1/4" air horn valve rated at 200 psi, with a 12 volt coil. Fittings? Wait & see. Probably more current than a 7i76 can handle, but I've a drawer full of 12 volt power relays, 4pdt. And psu's up to 5 amps. Should be able to cobble something up for the longer haul. The question then is how long can it stand to be activated before the coil burns up. Air horns aren't exactly 100% duty cycle. Might have to setup a instant slam it open, and a resistively limited holding current. We'll see. Thanks Les for the elbow in the ribs, sometimes I need that nudge in a different direction. Or I've an empty 20 lb freon tank, for about a 10% on time. Using it to smooth the surges, That would cool the coil.
Lots of ways to skin this cat. :-) > On 12/02/2019 09:50, Gene Heskett wrote: > > Greetings all; > > > > I took a small air pump out of a failed solder rework unit last > > afternoon, find it to be some sort of a vibrator tuned to 60 hz, > > with a small diaphram on both sides of the solenoid. So this > > doesn't seem like enough air to drive a mister. > > > > Looking at fleabay, I find, for about $12, what looks like a > > centrifigal 12 volt blower, rated at 380L a minute for blowing up > > air mattresses etc. Rated pressure is 3800pa, but that doesn't > > readily translate into how much or how well it would blow, and make > > a mist for cooling a 4mm tool for working alu sheet? Like: > > > > <https://www.ebay.com/itm/Air-Compressor-Portable-Electric-Pump-Infl > >ator-Nozzles-Car-110V-AC-12V-DC-SM/292708939526?hash=item4426cff706:g > >:UMgAAOSwq4dbiLuc:rk:37:pf:0> > > > > Would it move enough air to run a mister? > > > > I get the impression its a relatively short operating life, so one > > should buy 2 of them to have a spare... > > > > Or should I be looking at the air brush stuffs in the $50 range? > > Like: > > > > <https://www.ebay.com/itm/Portable-Airbrush-Set-Small-Spray-Pump-Pen > >-Set-Air-Compressor-Kit-for-Art-X8G1/123329956995?hash=item1cb709cc83 > >&enc=AQADAAADAFjVrDbVsZ8oH%2F8PNHtt9VX4%2Fw7FZcmMuqsX8uaFEduVOXpjqQen > >9rLDcD5TvbQttKkdSD%2BSsAxk0yuccLjjF%2BRz9pDLWoozX8ncpjPQuyNb7XZfPGHT% > >2BHvk1sXmvoGgcfLMHWUH5%2BV5JV3xr4QkdEaHhbfow6NWXTbC7hhCEPKZ307jBsUJ7a > >3aclRgfNpUIkgaClk%2Bvi9oRc1BjI9ZpWnjNx2mhm6fKL6ofR20Z03ylcA2DZoYucsJ7 > >1zglgKiPnRhcBydyEouoH%2BDyRpU%2BuPqinq8t6By5arBXLrRNNMSrG4Vw%2B0Kv40X > >37DGRv%2BRzFrjOln6T8UAxFIeg%2BCj0F2XcUqmv94mOIOdLbcdYT32Frf%2FDjlLmRb > >%2Bclw24TrmALp5MwQm%2FEwkzojcoz6Ln%2FYzQz%2BAN%2FWeFOZpoAaOikEh7eCdAl > >4skAoEs2R4iSJNIZu4Af6sVgDfoY%2B7xEWEGOJ2PSU3KqodU3hMFXUUzn6cxvMyVLVbR > >Bmk%2FmKcS4IYlmE5vWpAxeNQfRxt1kBvdIyfMtVh8vviZXQInHEkbq83%2BXeeFtyi1I > >gY3YpuWg%2FBRhQM%2FOfTKI%2BdthTTZAOSWg1N0NSQlg2I7ZZKfLKXbOBZR0R79sH6n > >gXfHPBIZ1%2BKV%2FvLwXqASPZRYqK21HHlaZU7ZEUAMXLUay516TGxumD1sZaWX0qgwv > >K6MqqYjM3%2BmWGOD%2B1daZ5uGy%2FyfNx4RuSPRsmSdY1D3sMX1GTnYf3ilPQoV3%2F > >RofK0T2KR9tnqQw6qpiVC0f > > PPYjqpPYlp > > > > > BvZYhRwsoub%2BjjuSvSpoe0mipxXT5JrHYIInmu%2Bu4T3UDKpwrtTPbNjn8CyHh7uh > >5xs%2FS6sp9TW9%2FwE47Nw02qQZ6LBKybtyy9pkqY5EN5rLiH3lk4ZR6uM5IHM%2BlTt > >QPWG0bvLOnrrfzurlXoUYbAzfwBUT6HhSjKcrDNbCqCepe8U25TBYGlAv%2FN4xCaHRyt > >Rl7QkQUBgZor4Qgt6ktu8AYPDlqM5Z8XwLGmSI1hS3rg%3D%3D&checksum=123329956 > >995a186a265037243a594404d2410767ccf> > > > > Its obvious I'll need some sort of cooling. > > > > Cheers, Gene Heskett > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
