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1. [Amps] Running iron in oil (score: 1): Author: "John Lyles" <jtml@losalamos.com>; Date: Thu, 27 Aug 2009 14:46:26 -0600; At work we have dozens of tanked transformers in use. Being at 7000 feet above sea level, with high voltages, made it a requirement for some systems. They have been running for 40 years this way. We; /archives//html/Amps/2009-08/msg00554.html (8,762 bytes)
2. Re: [Amps] Running iron in oil (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Thu, 27 Aug 2009 18:17:37 -0400; Using a vacuum instead of pressure is a much better way to make sure those voids are filled. Pressure compresses the air, which then expands back when the pressure is released. 73 Roger (K8RI) ______; /archives//html/Amps/2009-08/msg00557.html (10,075 bytes)
3. Re: [Amps] Running iron in oil (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 27 Aug 2009 19:34:04 -0400; All good info. I also use the vacuum method to force in the transformer varnish while the transformer is still hot from an extended baking in an oven. All my vintage amps and modulators are using sim; /archives//html/Amps/2009-08/msg00561.html (12,508 bytes)
4. Re: [Amps] Running iron in oil (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Thu, 27 Aug 2009 19:46:46 -0400; Put a big honkin diode in series with the secondary if you really want to warm up the core<:-)) 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com h; /archives//html/Amps/2009-08/msg00562.html (13,184 bytes)

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