[Elecraft] Re： KPA 500 END of Thread

[Eric Swartz - WA6HHQ, Elecraft]

  As noted in my prior posting - END of thread.

73, Eric
Elecraft Moderator
---

On 10/19/2010 11:04 AM, Rick Dettinger wrote:
> Yes, and the nature of the humidity.  I don't know if there is
> actually salt in the air over the oceans, but my uncle was a
> commercial fisherman working off the Oregon and California coasts in
> the 1950s and '60's.  When his AM marine band transceiver finally
> "retired", he gave it to me to use for parts.  It had led a hard life
> at sea and there was not much that I considered useable inside.  Most
> of the screws were corroded in place.  Metal condenser plates
> (remember, this was in the '50's!) were mostly white.  As a new
> novice, I was rather disappointed.
> If the case screws of my K3 rusted, I would be concerned about what
> might be happening inside the box.  At least the old tube gear ran
> warm enough to dry out in use.  Of course, any salt would remain.
> That could be a problem!
>
> 73,
>
> Rick Dettinger   K7MW
>
>
>> Johnny, it must have a lot to do with the temperature AND humidity.
>> I live a few hundred yards from the Pacific ocean on the Oregon
>> coast listening to the pounding surf 24/7. The relative humidity in
>> the shack is always between 60 and 80%, yet I have no sign of
>> corrosion on any of my Elecraft gear.
>>
>> However, the temperature here on a really hot day is about 70 to 75F
>> and typical summer high temps are closer to 60F. In the winter high
>> temps usually in the 30's or 40's.
>>
>> It is wet here where the conifer forests grow right down to the
>> water's edge with lots of rain. It's said we Oregonians don't tan,
>> we rust. But none of my Elecraft gear has shown the slightest sign
>> of rust, nor do automobiles or other equipment left outdoors have
>> unusual corrosion issues.
>>
>> Ron AC7AC
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