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Re: [Amps] Dielectric grease for roller inductors ?

To: Jim Thomson <>,
Subject: Re: [Amps] Dielectric grease for roller inductors ?
From: Joe <>
Date: Thu, 5 Jul 2018 13:30:04 -0500
List-post: <>
isn't dialectic grease an Insulator?

The Original Rolling Ball Clock
Idle Tyme
On 7/4/2018 12:11 PM, Jim Thomson wrote:
What are you folks using for grease, if any on roller inductors ?   I have both 
a RI-50..which has this green grease on it, when purchased new,
and also a RI-40... which has no grease on it.

Both rollers  use  .375  silver plated, edge wound ribbon for the inductor... 
and  .072 thick.   A pair of gold plated contacts pinch each side of the
edge wound ribbon.

Will plane jane automotive type  dielectric grease work for this application ?  
 Or should I use something more exotic like Dow corning DC-4  or  DC-5 ?
Without any lubricant on there at all, they are just metal on metal..which I 
fear will  just eventually destroy the  silver plated ribbon..and the
gold plated contacts.

Jim  VE7RF
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