John King wrote:
I'm sorry to hear about your failure at FD. I have heard no other
reports of FD failures, and to my knowledge the VP6DX crew had
no failures during their operation earlier this year. It may be
of small comfort to you, but I regard your failure as an anomaly
- stuff happens.
] K3 Burn In
John King wrote:
I'm sorry to hear about your failure at FD. I have heard no other
reports of FD failures, and to my knowledge the VP6DX crew had
no failures during their operation earlier this year. It may be
of small comfort to you, but I regard your failure as an anomaly
Has anyone done a burn in on their radios to test? They rate to 100W
100% duty cycle for 10 minutes. I'm sure there is quite a bit of
headroom in that too. Has anyone tested to that? Do any of the
Elecraft guys object to that type of testing?
I had a strange failure at FD this year and
Brett Howard wrote:
Has anyone done a burn in on their radios to test? They rate to 100W
100% duty cycle for 10 minutes. I'm sure there is quite a bit of
headroom in that too. Has anyone tested to that? Do any of the
Elecraft guys object to that type of testing?
I had a strange
Disclaimer - the following test method is not approved or
sanctioned by Elecraft. Conduct any testing at your own risk.
I work in Quality Assurance in my day job (30 years and counting.)
Long before FD I performed a 24 hour endurance test on my K3
to approximate worst-case FD conditions. I
Folks,
John was quite correct to term his test an 'Endurance Test'. I have
worked as an Assurrance Engineer for the latter part of my career and
would like to offer the following:
The purpose of any 'burn-in' tests for complete electronic assemblies I
have encountered is *not* to stress
I agree that sounds like a pretty good test.
The K3 is a PHENOMENAL radio and I'm very familiar with things breaking
in their infancy. I'm just hoping that the kinks are very well buried
when it comes back. Appreciate the tips on what you did
On Fri, 2008-07-04 at 09:25 -0400, John
Totally agree. I was somewhat appreciative that FD helped me find the
problem as soon as possible and was wondering if solid type TX would be
a good way to do an accelerated test. From what I'm hearing now and I
agree a FD simulation w/ full QSK running is probably more real world.
You are
Brett,
If it was working before the failure, one should always assume a single
failure. Multiple failures are quite rare and are normally induced by
some outside force (incorrect power, lightning surge, etc.)
There are instances where one failed component will take out another
one, but
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