Yeas, but it's a destructive test, like checking the opening current for a fuse. I would guess that any core, whether ferrite or powdered iron would be subject to some water absorbs ion in not coated/painted.
73, Charlie k3ICH -----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of donov...@starpower.net Sent: Wednesday, May 02, 2018 12:56 AM To: j...@audiosystemsgroup.com Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] OT: Protecting Toroidal Cores I have not, but its easy to test! ----- Original Message ----- From: "Jim Brown" <j...@audiosystemsgroup.com> To: elecraft@mailman.qth.net Sent: Wednesday, May 2, 2018 4:44:44 AM Subject: Re: [Elecraft] OT: Protecting Toroidal Cores On 5/1/2018 9:30 PM, donov...@starpower.net wrote: > Some mixes will absorb water then crack when frozen > Hi Frank, Have you kept track of which mixes have that characteristic? 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to donov...@starpower.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to pin...@erols.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
