[Milsurplus] Duracell

William Cromwell wrcromwell at gmail.com
Mon Jan 9 18:56:19 EST 2023


Hi Tim,

I have been considering that same thing. It may have been more difficult 
when those were designed, built, sold. But reasonably easy now.

73,

Bill KU8H

bark less - wag more

On 1/9/23 14:32, Tim wrote:
> Hi Bill (and Duracell/Battery Crud reporters..)  I have a favorite 
> Heathkit IM-13 VTVM that I use for voltage measurements.  I keep the 
> battery out of it as a leak countermeasure.  But I need to build a 
> simple LM-317 VR circuit to supply 1.50 VDC to the Ohmeter circuit vs 
> battery - and powered off the 6.3 VAC filament transformer winding.  A 
> permanent fix.  Gotta move that up in the project queue..
> Thanks, Tim
> N6CC
>
> On Mon, Jan 9, 2023 at 6:15 AM William Cromwell <wrcromwell at gmail.com> 
> wrote:
>
>     Heh,
>
>     I have three VTVMs here. Two need a little TLC and are parked on a
>     shelf
>     in the queue. The Heathkit VTVM has already been caressed and working
>     well but doesn't get a lot of use. It is just easier and quicker
>     to grab
>     the FETVM. I checked all three for batteries. The two on the shelf
>     had
>     the battery (cell) removed. But the Heathkit unit had a battery in it
>     right on the edge of starting to leak! I'm glad this thread
>     reminded me
>     too. I have a couple of other places to look yet. The FETVM has a
>     9 volt
>     battery but I will visit that too.
>
>     I have a PFR-3 QRP triband transceiver that has a battery holder for
>     eight AA cells inside. I do not put batteries in it just because
>     of the
>     leakage problems. I have a small pack for 10 NiMH AA cells that I
>     just
>     plug into the radio when I want to use a park bench to play radio.
>
>     73,
>
>     Bill KU8H
>
>     bark less - wag more
>
>     On 1/9/23 07:11, David Stinson wrote:
>     > I put Duracells in my buried-cable tracer
>     > at work a few months ago. This tread reminded
>     > me to check them.  Sure enough, one had
>     > just begun leaking.
>     > Thanks, fellas.
>     > Dave S.
>     >
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