>Rich: I recall reading an article on the W2PV contest station a number of
>years back which mentioned that they had trouble over time with the RJ1A
>vac relays in their Alpha 77 amps doing QSK.
? Not surprising. The vac. relay is driven from a 50v source in the 77.
. It takes about double that potential to make the RJ-1A-26 relay switch
fast enough for modern transceivers.
> I don't know if the trouble
>was the contacts or the clapper assy. I have always felt that the vacuum
>environment helps the contact life
? I believe this to be the case.
>but probably is not helpful to the
>mechanical clapper life. In fact it may be a disadvantage.
? I know of no cases of clapper/armature failure.
- thanks, Dan
>
>Rich Measures wrote:
>
>> Does anyone on [AMPS] know of a case where a CW person managed to wear
>> out the contacts on a Jennings RJ-1A vacuum-relay?
>> - thanks.
>>
>> Rich...
>>
>> R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
>>
>> --
>> FAQ on WWW: http://www.contesting.com/ampfaq.html
>> Submissions: amps@contesting.com
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>> Problems: owner-amps@contesting.com
>> Search: http://www.contesting.com/km9p/search.htm
>
>
>
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
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Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
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