[ARC5] roller inductors

[Robert Eleazer]

That's what I was about to suggest.  Any wipe-off cleaning substance must do some corrosion of its own.  If it is a substance you wipe on and have to polish off, perhaps not, since then you are using toothpaste/lapping compound type abrasives to polish away the tarnish and surface imperfections.

In any case LPS-1 will not remove the tarnish but will lubricate and protect the surface.

Wayne
WB5WSV  
  ----- Original Message ----- 
  From: Michael Hanz 
  To: J Mcvey ; Robert Eleazer ; arc5 at mailman.qth.net 
  Sent: Monday, January 25, 2016 6:08 PM
  Subject: Re: [ARC5] roller inductors


  An intelligent young lady by the name of Bobbi Barmore on the old Boatanchors reflector did some extensive tests on silver polish for roller inductors because she was chief engineer of a broadcast station.  Under microscopic analysis, the "quick" solutions like the wipes and Tarn-X etched thousands of microscopic holes into the silver layer, and guess what?  It then enhanced the action of atmospheric sulfides on the surface of the wires because of significantly increased area exposed to the air.  Switching to a cream based polish solved the problem.  You might get quick results with the quick methods, but you have set the stage for eventual failure.  I've never had that problem with Hagerty's or the other high quality silver polishes, and I have checked with a microscope more than once since then.

  Jus' sayin...
  Mike  KC4TOS


  On 1/25/2016 5:48 PM, J Mcvey via ARC5 wrote:

    How about silver polish? They make 'silver wipes" now too. worked for me...




    On Monday, January 25, 2016 5:46 PM, Robert Eleazer <releazer at earthlink.net> wrote:




    Try lubing them with LPS-1.  It works great for scratchy volume controls.

    Wayne
    WB5WSV

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