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21. [AMPS] Silver plating (score: 1): Author: sbookout@mnsinc.com (Steve Bookout); Date: Wed, 03 Sep 1997 11:29:19 -0400; Hello All, To take it one step farther, I once gold plated a tank coil made from soem some 1/4" copper tubing. It was done while doing some PC board plating. Now, that REALLY looked nice.....but, it; /archives//html/Amps/1997-09/msg00045.html (8,173 bytes)
22. [AMPS] Silver plating (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 3 Sep 97 08:38:01 -0800; Above 100MHz, silver plating is probably worthwhile. A lower frequencies, polished copper with a coating of polyurethane varnish seems to do okay. Silver oxide as well as silver sulphide (tarnish) a; /archives//html/Amps/1997-09/msg00047.html (8,294 bytes)
23. [AMPS] silver plating (score: 1): Author: philk5pc@connect.net (Phil Clements); Date: Wed, 03 Sep 1997 11:22:47 -0500; Peter: I have always read and been lead to believe that it is the aging process that makes the difference. Dirty copper conducts less than clean copper, but dirty silver plated copper conducts about; /archives//html/Amps/1997-09/msg00056.html (8,414 bytes)
24. [AMPS] Silver plating (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Wed, 3 Sep 1997 21:38:01 +0100; This was thrashed through in r.r.a.antannas/homebrew (I forget which) several months ago. There was a lot of discussion about the chemical form of the oxidized surface layer on silver and on copper,; /archives//html/Amps/1997-09/msg00061.html (8,580 bytes)
25. [AMPS] silver plating (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 3 Sep 1997 22:49:39 +0000; My HP Impedance Analyzer is supposedly good to a fraction of a percent, but let me put this in perspective. Putting my hand within two feet of the coil changes the Q more than the plating did. 73, T; /archives//html/Amps/1997-09/msg00068.html (9,040 bytes)
26. [AMPS] Silver plating (score: 1): Author: wrt@eskimo.com (Bill Turner); Date: Thu, 04 Sep 1997 03:44:06 GMT; On Wed, 3 Sep 1997 09:13:47 +0000, w8jitom@postoffice.worldnet.att.net wrote: <snip> <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><> Interesting. Have you ever measured the effect of; /archives//html/Amps/1997-09/msg00069.html (8,460 bytes)
27. [AMPS] Silver plating (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Thu, 4 Sep 1997 07:36:23 +0000; To: <amps@contesting.com> Hi Bill, I'm making a new 80 meter loading coil for my mobile out of #8 tinned wire, so I'll record the Q and let the thing sit outside for a month. I'll re-measure the Q.; /archives//html/Amps/1997-09/msg00078.html (8,599 bytes)
28. [AMPS] Silver plating (score: 1): Author: RDTALBERT@aol.com (RDTALBERT@aol.com); Date: Wed, 2 Apr 1997 15:36:26 -0500 (EST); I ran across a web site for a company that sells materials for proto-typing circuit boards (I couldn't determine for sure if the company was named Dyna Art, PCB Haven, Desk Top Fabrication, or someth; /archives//html/Amps/1997-04/msg00049.html (7,748 bytes)
29. FW: [AMPS] Silver plating (score: 1): Author: rkb1@rfpo1.rfc.comm.harris.com (Breon, Roy K); Date: Wed, 02 Apr 97 15:47:00 EST; I remember about 25 years ago my technicians used to use a product named "Cool Amp" to silver plate PCBs. It was done the same as stated below. I don't know what company made it or if it is still ava; /archives//html/Amps/1997-04/msg00050.html (8,169 bytes)
30. [AMPS] Silver plating (score: 1): Author: pgerba@pgerba (peter gerba); Date: Wed, 2 Apr 1997 13:06:15 -0800 (PST); The only product I know of is Cool Amp. I would like to know where it's sold. The stuff in your post may be same. I'm in an industrial area and the silver and gold plater down the street wants around; /archives//html/Amps/1997-04/msg00051.html (7,092 bytes)
31. [Amps] Silver plating (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 08 Apr 2009 19:38:29 -0700; Does anyone here have any before and after comparisons of silver plating HF tank coils? It seems most of the commercial amateur amp makers do it but I have never seen any specific data. All comments; /archives//html/Amps/2009-04/msg00088.html (7,127 bytes)
32. Re: [Amps] Silver plating (score: 1): Author: "Ken" <kenw2dtc@comcast.net>; Date: Wed, 8 Apr 2009 23:45:12 -0400; I had an HF tank silver plated and I found no operational difference between copper or silver. I will say that after years of operation in a heated environment, a silver plated tank looks physically; /archives//html/Amps/2009-04/msg00091.html (7,627 bytes)
33. Re: [Amps] Silver plating (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 08 Apr 2009 23:45:10 -0400; It's been discussed on here before. From a practical approach I think you will find the differences on HF to be slight. Possibly on 10 a bit more, but with the large diameter tube and strap used ...T; /archives//html/Amps/2009-04/msg00092.html (7,430 bytes)
34. Re: [Amps] Silver plating (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 08 Apr 2009 21:07:41 -0700; ORIGINAL MESSAGE: REPLY: Thanks Roger. I have a 1500 watt amp with a ten meter tank coil wound with #6 solid copper wire. After about 30 seconds key down CW the coil is uncomfortably hot to the touch; /archives//html/Amps/2009-04/msg00093.html (8,552 bytes)
35. Re: [Amps] Silver plating (score: 1): Author: "Gary Hinson" <Gary@isect.com>; Date: Thu, 9 Apr 2009 16:07:05 +1200; Hi Bill. Check this page: http://www.vhfdx.net/discuss/silverplating.html. The VHF guys say basically it's just for show: bare copper is as good. 73 Gary ZL2iFB _____________________________________; /archives//html/Amps/2009-04/msg00094.html (8,025 bytes)
36. Re: [Amps] Silver plating (score: 1): Author: "Phil Clements" <philc@texascellnet.com>; Date: Wed, 8 Apr 2009 23:18:16 -0500; Bill, I would not waste silver on such an undersized coil. Wind a coil out of 1/4 inch or 3/8 inch copper tubing. This should run cool @ 1500 watts. Then, if you want it to look pretty, go ahead and; /archives//html/Amps/2009-04/msg00095.html (8,833 bytes)
37. Re: [Amps] Silver plating (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 08 Apr 2009 21:39:31 -0700; ORIGINAL MESSAGE: REPLY: Very interesting, good info. Thanks! I think I'll leave my copper coils well enough alone. I will watch the efficiency however, and if it starts to fall off on ten meters, I; /archives//html/Amps/2009-04/msg00096.html (8,520 bytes)
38. Re: [Amps] Silver plating (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Thu, 09 Apr 2009 00:43:05 -0400; What I typically see is 1/4 to 3/8" tube or 1/2 to 5/8" wide copper strap maybe 1/16" thick. Take a look at one of the old B&W 850A tank coil units. You should be able to find a photo of one some whe; /archives//html/Amps/2009-04/msg00097.html (9,201 bytes)
39. Re: [Amps] Silver plating (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 08 Apr 2009 21:43:45 -0700; ORIGINAL MESSAGE: REPLY: I just might try that. The coils in my amp are all screw-mounted so removing one and installing a heavier one is easy. Thanks for the info. 73, Bill W6WRT ___________________; /archives//html/Amps/2009-04/msg00098.html (8,552 bytes)
40. Re: [Amps] Silver plating (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Thu, 09 Apr 2009 00:56:08 -0400; Having done silver plating back when I worked for a living, I can vouch that the chemicals are nasty. I have forgotten the two specific chemicals, but IIRC they are solution of silver Cyanide and pot; /archives//html/Amps/2009-04/msg00099.html (9,977 bytes)

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