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From: Tim Wescott on 14 Mar 2010 15:52
pawihte wrote:
> pawihte wrote:
>> What common substance would be acceptable as a lubricant for
>> consumer grade volume control pots? It's no good recommending a
>> branded product to me as I live in a place where such products
>> are unlikely to be available. Thanks.
>
> Thanks to those who posted helpful replies. It's been a long time
> since I had to bother with noisy pots. When I did such things
> regularly, contact cleaners were just things I read about in
> foreign magazines. I think they're available in local shops now.
> Anyway, the stuff I found inside pots were accumulated dust, lint
> and unidentified fuzz and grit that were sometimes so thick that
> I'd still prefer to open up the pot, wash it with a solvent and
> then apply the lubricant manually.

Back when I kit-built my radio control gear, the pots got lubricated
with petroleum jelly (Vaseline, to violate your "no brand name" rule).

Don't blame me if you find a brand of pot that gets dissolved by it, though.

--
Tim Wescott
Control system and signal processing consulting
www.wescottdesign.com
From: pawihte on 14 Mar 2010 16:03
Tim Wescott wrote:
> pawihte wrote:
>> pawihte wrote:
>>> What common substance would be acceptable as a lubricant for
>>> consumer grade volume control pots? It's no good recommending
>>> a
>>> branded product to me as I live in a place where such
>>> products
>>> are unlikely to be available. Thanks.
>>
>> Thanks to those who posted helpful replies. It's been a long
>> time
>> since I had to bother with noisy pots. When I did such things
>> regularly, contact cleaners were just things I read about in
>> foreign magazines. I think they're available in local shops
>> now.
>> Anyway, the stuff I found inside pots were accumulated dust,
>> lint
>> and unidentified fuzz and grit that were sometimes so thick
>> that
>> I'd still prefer to open up the pot, wash it with a solvent
>> and
>> then apply the lubricant manually.
>
> Back when I kit-built my radio control gear, the pots got
> lubricated
> with petroleum jelly (Vaseline, to violate your "no brand name"
> rule).
>
> Don't blame me if you find a brand of pot that gets dissolved
> by it,
> though.

Vaseline is so common that I'll count it as generic. Thanks for
the info.


From: Bob Eld on 15 Mar 2010 11:43

"pawihte" <pawihte(a)fake.invalid> wrote in message
news:hnid09$2to$1(a)news.eternal-september.org...
> Phil Allison wrote:
> > "pawihte"
> >
> >>> ** Totally mangled nonsense - the track of a carbon ( or
> >>> other)
> >>> pot has no lubricant applied during manufacture.
> >>
> >> Maybe not within your experience, but some manufacturers
> >> certainly do
> >> apply lubricants on the track.
> >
> > ** Bollocks.
> >
> >
> >>> Any lubricant that resided on the track would prevent
> >>> operation - cos lubricants are insulators.
> >>
> >> That's why I had to ask about suitable substances. Some of
> >> them were
> >> still working flawlessly with "grease" on the tracks when I
> >> opened
> >> them. In most cases, the lubricant had been pushed into a
> >> ridge
> >> right beside the wiper path.
> >
> > ** Then there is NONE lubricating the conducting surfaces
> > !!!!
> >
> > You earlier claim is 100% bogus.
> >
> >
> >>> Also, rotary pots do not get " dust " inside them.
> >>
> >> They most certainly do.
> >
> >
> > ** Utter bollocks.
> >
> >
> >>> If the pot is still noisy - replacement is the only option.
> >>
> >> As I said at the beginning, it is sometimes difficult to get a
> >> replacement of the same type.
> >
> >
> > ** Your problem.
> >
> >
> >> I've come across such wear effects too, but that's not what I
> >> was
> >> talking about. What I did mention was that they wear more
> >> rapidly
> >> without lubricant.
> >
> > ** There can be NONE on the conducting surfaces.
>
> Not at the point of contact at the time of contact, at least not
> in enough thickness to prevent conduction.What about oil-filled
> switches and contactors, eh? The oil or grease simply gets
> squeezed out of the way at the point of contact and then flow in
> again.
>
> >
> > Your thinking is totally irrational.
> >
> > And you're an arrogant pig.
>
> At least you're consistent. Did mommy forget to give you your
> medicine again? Good. Don't ever change. You're good for comic
> relief.


Be careful, your poking a stick into Phyllis's cage. As you can see this
aggravates the beast causing a fit of Tourettes. Communicate with caution!


From: John G on 16 Mar 2010 05:36
On Mon, 15 Mar 2010 01:33:27 +0530, "pawihte" <pawihte(a)fake.invalid>
wrote:

>Tim Wescott wrote:
>> pawihte wrote:
>>> pawihte wrote:
>>>> What common substance would be acceptable as a lubricant for
>>>> consumer grade volume control pots? It's no good recommending
>>>> a
>>>> branded product to me as I live in a place where such
>>>> products
>>>> are unlikely to be available. Thanks.
>>>
>>> Thanks to those who posted helpful replies. It's been a long
>>> time
>>> since I had to bother with noisy pots. When I did such things
>>> regularly, contact cleaners were just things I read about in
>>> foreign magazines. I think they're available in local shops
>>> now.
>>> Anyway, the stuff I found inside pots were accumulated dust,
>>> lint
>>> and unidentified fuzz and grit that were sometimes so thick
>>> that
>>> I'd still prefer to open up the pot, wash it with a solvent
>>> and
>>> then apply the lubricant manually.
>>
>> Back when I kit-built my radio control gear, the pots got
>> lubricated
>> with petroleum jelly (Vaseline, to violate your "no brand name"
>> rule).
>>
>> Don't blame me if you find a brand of pot that gets dissolved
>> by it,
>> though.
>
>Vaseline is so common that I'll count it as generic. Thanks for
>the info.
>
I accept you did not want a brand name but some products have a very
limited range of suppliers.
Servisol was a good contact and pot cleaner years ago but I have been
away from that area for too long to know if it still around.

Of course steel wool is still a very common POT cleaner.

John G.
From: pawihte on 16 Mar 2010 06:10
John G wrote:
> I accept you did not want a brand name but some products have a
> very
> limited range of suppliers.
> Servisol was a good contact and pot cleaner years ago but I
> have been
> away from that area for too long to know if it still around.
>
> Of course steel wool is still a very common POT cleaner.

<G>
My wife already told me that. But she uses it less often since
she stopped using a wood-burning stove.


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