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Total 40 documents matching your query.

21. [AMPS] Blowers (score: 1): Author: jreid@aloha.net (Jim Reid); Date: Tue, 17 Aug 1999 13:58:50 -1000; Ok, so where do you go on the net for info about fans, blowers. Dayton blowers in particular anywhere? 73, Jim, KH7M -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting; /archives//html/Amps/1999-08/msg00280.html (6,457 bytes)
22. [AMPS] blowers (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Thu, 11 Jun 1998 10:01:39 +0100; There is an interesting book "How to design and build Centrifugal Fans for the home shop" by David J. Gingery. Published by Lindsay Publications, Bradley, IL 60915 ISBN 0-917914-60-0. Available in th; /archives//html/Amps/1998-06/msg00145.html (6,996 bytes)
23. [AMPS] Blowers (score: 1): Author: wc7m@vcn.com (W7CW Jay E Ostrem); Date: Tue, 10 Mar 1998 11:46:01 +0000; Has anyone experimented with using a furnace blower for cooling their tubes? I was curious if anyone had actually measured available back pressure for any particular size wheels. The handbooks list r; /archives//html/Amps/1998-03/msg00142.html (7,910 bytes)
24. [AMPS] Blowers (score: 1): Author: dail@cebaf.gov (Walter Dail); Date: Tue, 10 Mar 1998 08:57:33 -0500; A more serious note. Since blowers were brought up, I've notice that new blower prices are (well to me) out of sight. Most of the time I always try to find used ones cheap at hamfests and fleamarkets; /archives//html/Amps/1998-03/msg00145.html (8,341 bytes)
25. [AMPS] Blowers (score: 1): Author: broz@csn.net (John Brosnahan); Date: Tue, 10 Mar 1998 07:12:51 -0700 (MST); Check out the Dayton blowers from Grainger. (Probably get them somewhat cheaper at other vendors but Grainger has a number of stores across the country and they usually have stock of the popular mode; /archives//html/Amps/1998-03/msg00146.html (8,829 bytes)
26. [AMPS] Blowers (score: 1): Author: davek@medphys.ucl.ac.uk (Dave Kirkby); Date: Tue, 10 Mar 1998 13:52:13 +0000; I've spent some considerable time playing with centrifugal blowers of various sizes to cool big tubes, and looking at the theory to some extent - without wishing to do a PhD in the subject. I don't k; /archives//html/Amps/1998-03/msg00147.html (9,252 bytes)
27. [AMPS] Blowers (score: 1): Author: zak@goes.com (W/Z Kornienko); Date: Tue, 10 Mar 1998 09:52:25 -0500; I found a good source for blowers, C & H Sales, Pasadena, CA, 1-800-325-9465. Get on their mailing list, their stock changes frequently. I bought a 90 CFM @ 2.5" back pressure blower for about $30. I; /archives//html/Amps/1998-03/msg00149.html (9,531 bytes)
28. [AMPS] Blowers (score: 1): Author: palstar@erinet.com (Paul Hrivnak); Date: Tue, 10 Mar 1998 16:06:10 -0500 (EST); I have used new oil burner furnace blowers which actually run at a low speed ( 1000 rpm ). They are ,however, large in diameter(6 to 8"). In order to boost the backpressure to higher level I put them; /archives//html/Amps/1998-03/msg00156.html (8,891 bytes)
29. [AMPS] Blowers (score: 1): Author: LOMAX1@prodigy.net (Frank & Barb Ayers); Date: Tue, 10 Mar 1998 19:05:01 -0000; Two points on the blowers - 1. One advantage of buying a new blower is being sure of the ratings. this of course doesn't apply when the flea market type is marked. 2. I've been getting blowers at Gra; /archives//html/Amps/1998-03/msg00158.html (8,424 bytes)
30. [AMPS] blowers (score: 1): Author: Peter.Chadwick@gpsemi.com (Peter Chadwick); Date: Wed, 11 Mar 1998 09:29:03 -0000; I was told that the only way you can damage a tube with too much air is if you physically blow it out of the socket.............. But if you cut up a cardboard box and mount the tube socket and a can; /archives//html/Amps/1998-03/msg00165.html (8,347 bytes)
31. [AMPS] blowers (score: 1): Author: yo3ctk@alltrom.ro (YO3CTK); Date: Wed, 11 Mar 1998 12:19:55 +0200; This is exactly what I did some time ago in order to establish the mechanical configuration for the RF deck in my project. The manometer is nothing more than a clear plastic tube, U-shaped and with s; /archives//html/Amps/1998-03/msg00170.html (8,636 bytes)
32. [AMPS] blowers (score: 1): Author: yo3ctk@alltrom.ro (YO3CTK); Date: Wed, 11 Mar 1998 20:17:13 +0200; Hi Peter, Can't argue with you on that. And I didn't say it was my idea, but rather that I found it on this reflector. It's an excellent idea, anyway. 73 de Mike, YO3CTK I described the method in a l; /archives//html/Amps/1998-03/msg00177.html (8,067 bytes)
33. [AMPS] Blowers (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 11 Mar 1998 13:20:45 EST; W6SAI ran an excellent article on blowers many years ago in CQ Jay. It compared speed and wheel diameter vs backpressure and the whole bit. When you go by the industrial manufacturers specs, there is; /archives//html/Amps/1998-03/msg00178.html (9,508 bytes)
34. [AMPS] Blowers (score: 1): Author: wc7m@vcn.com (W7CW Jay E Ostrem); Date: Thu, 12 Mar 1998 01:33:51 +0000; This may be an over simplification, but I think Rich is alluding to it; Let's say you are measuring back pressure on an installed tube, utilizing a manometer. It seems to make sense that if the back; /archives//html/Amps/1998-03/msg00194.html (8,415 bytes)
35. [AMPS] Blowers (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 11 Mar 98 19:38:02 -0800; yes cheers Rich... R. L. Measures, 805-386-3734, AG6K -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Probl; /archives//html/Amps/1998-03/msg00198.html (7,861 bytes)
36. [AMPS] Blowers (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Thu, 12 Mar 1998 07:47:57 +0000; That's true, but it overlooks two points. One is that the air pressure is often quite low, and can be difficult to read accurately due to surface tension effects in the water tube. There may also be; /archives//html/Amps/1998-03/msg00202.html (10,867 bytes)
37. [AMPS] Blowers (score: 1): Author: davek@medphys.ucl.ac.uk (Dave Kirkby); Date: Thu, 12 Mar 1998 20:16:57 +0000; I said Earlier: R. L. Measures replied. According to my reasoning, this is simply not true. The Eimac data given is for the tube and socket used together. The pressure drop quoted in the data sheet w; /archives//html/Amps/1998-03/msg00212.html (8,686 bytes)
38. [AMPS] Blowers (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 13 Mar 98 04:49:01 -0800; Granted, however, you were talking about a situation where an Eimac Socket is not used. In such a case, I say that if one measures the pressure differential across the anode cooler one could determi; /archives//html/Amps/1998-03/msg00228.html (11,857 bytes)
39. [Amps] Blowers (score: 1): Author: KR4DA <kr4da@bellsouth.net>; Date: Mon, 30 Jan 2006 10:02:43 -0500; Would any of the blowers work/replace a 91b blower/fan assembly ???? Or should I but the $110 dollar ALPHA?ETO replacement. -- Bob Vmoa chat list -> http://autos.groups.yahoo.com/group/vmoachat/ Vmoa; /archives//html/Amps/2006-01/msg00715.html (7,173 bytes)
40. Re: [Amps] blowers (score: 1): Author: "W5JMW" <w5jmw@cableone.net>; Date: Fri, 26 Nov 2010 17:10:10 -0600; This is a true story,Back in the late 80's I was working the arrl 160 contest.I was using a dentron mla2500.Well I lost one of the 8857's.I didn't have a spare.Sooo,my solution.. I had a pair of 8874; /archives//html/Amps/2010-11/msg00496.html (6,836 bytes)

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