On Tue, Nov 16, 2010 at 3:34 AM, Michael Watterson wrot= e: > =A0On 16/11/2010 05:05, Sean Breheny wrote: >> Hi Lyle, >> >> Wikipedia seems to think that an "air amplifier" is a kind of >> pneumatic piloted valve/fluid amplifier or pneumatic equivalent of a >> transistor - it has two input streams (a high pressure, high volume >> one and a low pressure, low volume one) and the low pressure one can >> control the flow of the high pressure one. I don't see how that >> relates to what you describe. Do you have an actual brand name where I >> could get more info about the kind of air amplifiers you used? >> sorry for the late reply.. I lost a fingertip tonight. alternate search term: transvector These are compressed-air powered instead of fan based. I'm not sure of the brand, but they looked a lot like the 3" model here http://www.vortexair.biz/Conveying/Roundtransvector/roundtransvector.html I wish I could get more, but it was a previous employer, and I did not keep my old purchase records. Time to rest, I have just a few hours to rest before surgery to fix the fin= ger. Lyle --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .