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41. Re: [Amps] Silver plating (score: 1): Author: "Dennis Watkins" <andromeda@wildblue.net>; Date: Wed, 8 Apr 2009 23:36:02 -0700; I doubt cleaning the tank will change the circulating current much.. D _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listin; /archives//html/Amps/2009-04/msg00101.html (7,777 bytes)
42. Re: [Amps] Silver plating (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Thu, 09 Apr 2009 01:15:02 -0700; ORIGINAL MESSAGE: REPLY: Agreed, I don't think cleaning would change it at all. What it would change is the I-squared-R loss due to copper oxide. I made a mental note of the DC input vs RF output and; /archives//html/Amps/2009-04/msg00102.html (8,510 bytes)
43. [Amps] Silver plating (score: 1): Author: "Phil & Debbie Salas" <dpsalas@tx.rr.com>; Date: Thu, 9 Apr 2009 06:18:09 -0500; Here's a link you might find interesting: http://www.bnk.com/W0QE/inductor_Q_tests.html Phil - AD5X _______________________________________________ Amps mailing list Amps@contesting.com http://lists.; /archives//html/Amps/2009-04/msg00103.html (6,329 bytes)
44. Re: [Amps] Silver plating (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 9 Apr 2009 10:15:57 -0400; Completely agree. Plus the tubing allows air flow and more surface area. Id also look at the design and measure the overall efficiency. Carl KM1H _______________________________________________ Amps; /archives//html/Amps/2009-04/msg00104.html (9,664 bytes)
45. [Amps] Silver plating (score: 1): Author: "James R Carr" <n7fcf@hctc.com>; Date: Thu, 9 Apr 2009 12:43:37 -0700; You sterilize and de-grease a new immersion cooling coil (50ft 3/8" copper) before use to cool down freshly boiled beer, by boiling it in a 50/50 mix of white vinegar and water. It makes the copper s; /archives//html/Amps/2009-04/msg00105.html (8,088 bytes)
46. Re: [Amps] Silver plating (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Thu, 09 Apr 2009 20:53:08 +0100; From many years ago I recall an article in 'RF Design' where someone suggested that oxidation on copper (and other conductors) makes less difference than might be expected because the higher resistan; /archives//html/Amps/2009-04/msg00106.html (8,468 bytes)
47. Re: [Amps] Silver plating (score: 1): Author: "Richard W. Ehrhorn $W0ID$" <w4eto@verizon.net>; Date: Thu, 09 Apr 2009 14:21:16 -0600; "Tarnished" (sulfated?) copper can similarly be brought to a bright shine by soaking at room temperature in a saturated solution of ordinary table salt (NaCl) in white vinegar. -- ___________________; /archives//html/Amps/2009-04/msg00107.html (9,539 bytes)
48. Re: [Amps] Silver plating (score: 1): Author: "Jim Kennedy" <kennedyjp@cableone.net>; Date: Thu, 09 Apr 2009 13:27:13 -0800; Geeeez guys and gals I was just having a little fun. I new it was untrue from the beginning when I first posted it. I see now that the ARRL( of which I am a member) has stepped into this trivial subj; /archives//html/Amps/2009-04/msg00108.html (9,869 bytes)
49. Re: [Amps] Silver plating (score: 1): Author: "Jim Kennedy" <kennedyjp@cableone.net>; Date: Thu, 09 Apr 2009 13:32:58 -0800; Sorry about the miss post guys-meant for another reflector Geeeez guys and gals I was just having a little fun. I new it was untrue from the beginning when I first posted it. I see now that the ARRL(; /archives//html/Amps/2009-04/msg00109.html (10,243 bytes)
50. Re: [Amps] Silver plating (score: 1): Author: "David C. Hallam" <dhallam@rapidsys.com>; Date: Thu, 09 Apr 2009 18:12:02 -0400; The product is call Cool-Amp, $30 for a 2 ounce jar. Electricians use it on buss bars. You take a wet rag, rub it on, and rinse. David KC2JD/4 _______________________________________________ Amps mai; /archives//html/Amps/2009-04/msg00110.html (12,133 bytes)
51. Re: [Amps] Silver plating (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Fri, 10 Apr 2009 01:04:00 -0400; Dat's da *Stuff*.<:-)) A little goes a long way with care. 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/li; /archives//html/Amps/2009-04/msg00114.html (8,432 bytes)
52. Re: [Amps] Silver plating (score: 1): Author: "Alex Eban" <alexeban@gmail.com>; Date: Fri, 10 Apr 2009 09:56:50 +0300; ...usually they do it for esthetic purposes. Ah HF at least, the skin effect occurs at depths greater than the plating, so that a sizeable amount of current still flows in the copper underneath. Not; /archives//html/Amps/2009-04/msg00115.html (10,157 bytes)
53. Re: [Amps] Silver plating (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Fri, 10 Apr 2009 08:10:39 +0100; Clock restorers use something that works the same for resilvering chapter rings and other brass parts. Basically it's silver nitrate and salt. They also usually use a 'finisher' powder which (I think; /archives//html/Amps/2009-04/msg00116.html (8,531 bytes)
54. Re: [Amps] Silver plating (score: 1): Author: "Alex Eban" <alexeban@gmail.com>; Date: Fri, 10 Apr 2009 10:10:38 +0300; Now that you mention it, I think I read somewhere that cyanide and acid mix is just what they use to carry out executions in a few states. Real sweet!! Alex 4Z5KS --Original Message-- From: amps-boun; /archives//html/Amps/2009-04/msg00117.html (12,009 bytes)
55. Re: [Amps] Silver plating (score: 1): Author: "Alex Eban" <alexeban@gmail.com>; Date: Fri, 10 Apr 2009 10:58:17 +0300; ..if already talking about this subject, I have another question that'll pour oil on the fire: Years ago there were in use Cuproxide rectifiers, which consisted of a small disk of copper, with an oxi; /archives//html/Amps/2009-04/msg00118.html (10,358 bytes)
56. Re: [Amps] Silver plating (score: 1): Author: "David Cutter" <d.cutter@ntlworld.com>; Date: Fri, 10 Apr 2009 09:34:08 +0100; Sorry if I am repeating what someone might have already given "performance of electroplated finishes" fowler http://k6mhe.com/n7ws/Plating.pdf David G3UNA ____________________________________________; /archives//html/Amps/2009-04/msg00119.html (8,249 bytes)
57. Re: [Amps] Silver plating (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Fri, 10 Apr 2009 05:43:52 -0400; Actually there's lots of it around, just difficult to get due to the hazardous associated with it. That and there is a "replacement" system where you just place a couple of "bricks" coated with a mat; /archives//html/Amps/2009-04/msg00120.html (10,454 bytes)
58. Re: [Amps] Silver plating (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Fri, 10 Apr 2009 05:57:23 -0400; He makes some good points, but I think the material and references are more than a little outdated. Even when I worked in industry we used pure silver (99.999 pure) plus plating and found no degradat; /archives//html/Amps/2009-04/msg00121.html (9,090 bytes)
59. Re: [Amps] Silver plating (score: 1): Author: "Gary Smith" <Gary@doctorgary.net>; Date: Fri, 10 Apr 2009 05:58:46 -0400; Hi Jim, Another homebrewer! (The beer variety) You'll maybe enjoy reading my page: http://doctorgary.net/homebrew.html and the fermentation page is kinda fun too. Currently have several batches of me; /archives//html/Amps/2009-04/msg00122.html (8,419 bytes)
60. Re: [Amps] Silver plating (score: 1): Author: ToddRoberts2001@aol.com; Date: Sat, 11 Apr 2009 05:31:59 EDT; Hi All, Very interesting info on silver plating an HF tank coil, thanks. From all I have read it sounds like silver plating a tank coil is nice for aesthetic reasons but does little if any to improve; /archives//html/Amps/2009-04/msg00129.html (8,996 bytes)

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