[Amps] conductive grease for roller inductor

[Carl]

Sent: Monday, November 26, 2012 4:55 PM
Subject: Re: [Amps] conductive grease for roller inductor


I wouldnt use anything on the actual coil if it is wound on a form; it is a
throwaway item once the plating is worn off the wire and/or wheel.

OTOH the large edge wound or tubular coils can benefit from the grease but
very sparingly.

I was initially refering to the wheel shaft and other bearing surfaces for
the Penetrox (Noalox is another brand name for the same use)

Carl
KM1H



> ----- Original Message ----- 
> From: "Alex Eban" <alexeban at gmail.com>
> To: "'DAVE WHITE'" <mausoptik at btinternet.com>; "'Ralph Young'" 
> <ralry at chartertn.net>; "'Eddy Swynar'" <deswynar at xplornet.ca>
> Cc: <amps at contesting.com>
> Sent: Monday, November 26, 2012 5:29 AM
> Subject: Re: [Amps] conductive grease for roller inductor
>
>
>> You can try Noalox (as per antenna joint compound). It should remove the
>> grime and prevent reformation as well.just try hard not to put on too 
>> much,
>> since it can develop conductive paths between coil turns and make all 
>> kinds
>> of sizzling noises.
>> Alex 4Z5KS
>>
>> -----Original Message-----
>> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of DAVE WHITE
>> Sent: Friday, November 23, 2012 3:27 PM
>> To: Ralph Young; Eddy Swynar
>> Cc: amps at contesting.com
>> Subject: Re: [Amps] conductive grease for roller inductor
>>
>> Perhaps try petroleum jelly? Thids is sold under the trade name 
>> "Vaseline"
>> here in the UK. It's commonly used on car battery terminals as it's (a)
>> conductive (at DC, I don't know about RF) (b) corrosion prevention and 
>> (c) a
>> lubricant
>>
>> Dave G0OIL
>>
>> --- On Thu, 22/11/12, Eddy Swynar <deswynar at xplornet.ca> wrote:
>>
>> From: Eddy Swynar <deswynar at xplornet.ca>
>> Subject: Re: [Amps] conductive grease for roller inductor
>> To: "Ralph Young" <ralry at chartertn.net>
>> Cc: amps at contesting.com
>> Date: Thursday, 22 November, 2012, 18:51
>>
>>
>> On 2012-11-21, at 2:15 PM, Ralph Young wrote:
>>
>>> I have a Nye-Viking tuner with their home made roller inductor. The
>>> roller has seized up on the shaft that guides it along the inductor.
>>> They used some sort of conductive grease on the shaft and a few other
>>> places on the inductor assembly to improve contact. Does anyone have
>>> a source for a conductive grease I can use on the roller once I get it
>>> all apart and freed up?
>>>
>>
>>
>> Hi Ralph,
>>
>> Once you get that puppy free & loose of its moorings, lube any & all 
>> contact
>> surfaces in the future with ordinary CASTOR OIL...
>>
>> That's what I do here with my THREE roller inductors that I employ in two 
>> HB
>> transmatches, & a HB linear amplifier. Don't go overboard with the
>> stuff---use just enough to coat the surfaces smoothly, preferably after a
>> complete pass, or to, of the mechanism after you've oiled it.
>>
>> The maintenance & tooling department at GM in Oshawa used to do the 
>> castor
>> oil trick on ALL of their electro-mechanical devices back in the 
>> day---and
>> it works, too, but you'll probably have to re-visit the device after a
>> couple of years, or so, to "freshen" it up.
>>
>> ~73~ de Eddy VE3CUI - VE3XZ
>>
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>