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Total 27 documents matching your query.

1. [Amps] Cool Amp Silver Plating (score: 1): Author: "Hardy Landskov" <n7rt@cox.net>; Date: Fri, 28 Feb 2014 07:42:42 -0700; All, Has anyone used this power? If so, what is your opinion/facts of how your project turned out? Any special precautions needed? Thanks ahead of time. 73 Hardy N7RT ________________________________; /archives//html/Amps/2014-02/msg00269.html (6,308 bytes)
2. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Fri, 28 Feb 2014 15:27:05 +0000; Take a look at this. http://www.saltlakemetals.com/SilverChloridePlating1.htm 73 Bill wa4lav All, Has anyone used this power? If so, what is your opinion/facts of how your project turned out? Any spe; /archives//html/Amps/2014-02/msg00270.html (7,941 bytes)
3. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: MU 4CX250B <4cx250b@miamioh.edu>; Date: Fri, 28 Feb 2014 08:48:29 -0700; I've used Cool-Amp powder for many years. It works fine, is easy to use. Seems non-toxic, although I always wear gloves. No ventilation needed. I think the coating is thinner electroplated silver. 73; /archives//html/Amps/2014-02/msg00271.html (8,249 bytes)
4. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Fri, 28 Feb 2014 17:37:48 +0100; Whether it's worthwhile electrically depends on the frequency. At 144MHz, the skin depth is 0.2 mil (0.0002 inch) and you need about 5 skin depths to keep 99% of the current in the silver, or about 1; /archives//html/Amps/2014-02/msg00272.html (9,402 bytes)
5. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 28 Feb 2014 12:21:12 -0500; Up to at least 2M it is only for cosmetics and doesnt improve performance. I still use a 4CX250B cavity amp made from copper pipe and silver solder on 440 MHz FM and the 250W output hasnt changed sin; /archives//html/Amps/2014-02/msg00273.html (11,174 bytes)
6. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Fri, 28 Feb 2014 12:38:55 -0500; However, in the case of Collins ribbon-type roller inductors, coil Q is strongly related to the contact resistance of the flat silver-plated ribbon against the metallic capstan. Once a year, I remove; /archives//html/Amps/2014-02/msg00274.html (8,346 bytes)
7. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: KA4INM <ka4inm@gmail.com>; Date: Fri, 28 Feb 2014 13:06:20 -0500; I've used Cool-Amp powder for many years. It works fine, is easy to use. I think the coating is only a molecule or two thick, repeated application increases the plating's thickness, although hundreds; /archives//html/Amps/2014-02/msg00275.html (8,520 bytes)
8. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Dick Hanson" <dick@dkhanson.com>; Date: Fri, 28 Feb 2014 12:32:51 -0600; Hardy.... I have used cool amp, but switched to SilverSmith. There are two versions: commercial version which contains cyanide and is faster/better, and then the consumer version which has no cyanide; /archives//html/Amps/2014-02/msg00276.html (8,214 bytes)
9. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Sat, 1 Mar 2014 01:51:10 +0000; I know cyanide is used in gold plate solution but not aware of it silver plating. It seems that silver chloride is the main ingredient. 73 Bill wa4lav ________________________________________ From: A; /archives//html/Amps/2014-02/msg00277.html (9,146 bytes)
10. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Sat, 01 Mar 2014 00:33:51 -0500; Silver chloride is used in ion exchange, or flash plating. It may be used in electroplating, but I never used it in electroplating. Silver cyanide is used in smooth electroplating, (electronic and de; /archives//html/Amps/2014-03/msg00000.html (9,142 bytes)
11. [Amps] Cool Amp Silver Plating (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 1 Mar 2014 07:09:41 -0800; throw away types. You would be amazed at how the stuff works on relay contacts etc. I have had several brand NEW 30-50 A DPDT relays..like deltrol, P+B etc, that have int contacts on one or both pole; /archives//html/Amps/2014-03/msg00001.html (9,101 bytes)
12. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: tlthompson <tlthompson@qwest.net>; Date: Sat, 01 Mar 2014 09:29:59 -0700; Whereas the discussion on silver plating is very interesting, one wonders if silver plating is really necessary in view of the experiments done by Larry, W0QE. http://www.w0qe.com/Technical_Topics/in; /archives//html/Amps/2014-03/msg00002.html (10,609 bytes)
13. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Sat, 1 Mar 2014 11:39:16 -0500; "Whereas the discussion on silver plating is very interesting, one wonders if silver plating is really necessary in view of the experiments done by Larry, W0QE." Those tests do not take into account; /archives//html/Amps/2014-03/msg00003.html (7,774 bytes)
14. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: gdaught6@stanford.edu; Date: Sat, 01 Mar 2014 08:55:24 -0800; Roger wrote... < snip > Cyanide gas is NOT odorless. It smells of almonds 'bitter almonds' if I recall my chemistry book correctly. The trouble is, if it's concentrated enough to smell, you want to g; /archives//html/Amps/2014-03/msg00004.html (7,389 bytes)
15. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: Bill Turner <dezrat1242@wildblue.net>; Date: Sat, 01 Mar 2014 09:10:02 -0800; ORIGINAL MESSAGE: (may be snipped) REPLY: Interestingly, according to Wikipedia some people can not smell hydrogen cyanide: "HCN has a faint, bitter, almond-like odor that some people are unable to d; /archives//html/Amps/2014-03/msg00005.html (8,090 bytes)
16. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: gdaught6@stanford.edu; Date: Sat, 01 Mar 2014 09:26:27 -0800; Bill wrote... I didn't know that. Thanks for the info! 73, George T Daughters, K6GT CU in the California QSO Party (CQP) October 4-5, 2014 _______________________________________________ Amps mailing; /archives//html/Amps/2014-03/msg00006.html (7,369 bytes)
17. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: "Jim Garland" <4cx250b@miamioh.edu>; Date: Sat, 1 Mar 2014 11:40:47 -0700; To inhibit tarnishing, I spray satin or glossy clear Krylon spray on my silver-plated coils and strap. Of course I mask off parts that will be clamped or soldered to, although Krylon actually doesn't; /archives//html/Amps/2014-03/msg00007.html (7,202 bytes)
18. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sat, 01 Mar 2014 10:59:46 -0800; When I was in college, I brought a coil to the chemistry department and talked to some of the professors about silver plating it. The one who knew the most about it explained that it required silver; /archives//html/Amps/2014-03/msg00008.html (8,958 bytes)
19. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: Bill Turner <dezrat1242@wildblue.net>; Date: Sat, 01 Mar 2014 11:33:34 -0800; ORIGINAL MESSAGE: (may be snipped) REPLY: Does this reduce heat transfer? 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.; /archives//html/Amps/2014-03/msg00009.html (7,225 bytes)
20. [Amps] Cool Amp Silver Plating (score: 1): Author: John Lyles <jtml@losalamos.com>; Date: Sat, 01 Mar 2014 13:57:44 -0700; We use it often at work. It's expensive. It doesn't do squat for improving the conductivity of surfaces like cavities and inductors for RF current, as Peter pointed out. That requires at least 3 to 5; /archives//html/Amps/2014-03/msg00010.html (8,518 bytes)

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