Measure the cold resistance of the lamp. Also could calculate warm
resistance with a 12v pwr supply and resistor box
On Dec 4, 2015 7:38 AM, "Clayton Brantley via TenTec" <tentec@contesting.com>
wrote:
> Kim: I cannot address your question about the lighting issue but I like
> theremark about theory at the bottom of your email. I have always like
> this too:
> If the facts do not conform to the theory, they must be changed.
> Sure do hope some can help with your question!
>
> 73 Clayton N4EV
>
> From: Kim Elmore <cw_de_n5op@sbcglobal.net>
> To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
> Sent: Thursday, December 3, 2015 11:18 PM
> Subject: [TenTec] Way Off Topic, But...
>
> This is way off topic and not radio related, but there are some danged
> smart people that participate on the reflector, so here goes...
>
> It's the holidays and we've put up Christmas lights (mostly incandescent
> series strings) and I'm seeing some very weird affects when I try
> replacement bulbs. Specifically, when I plug in a replacement bulb of
> ostensibly the correct voltage, it flashes like a strobe and is
> immediately burned out. I tried some higher voltage bulbs, up top 12 V
> and the same thing happens! All I can think of is that the cold
> resistance of the filament is much higher in the replacements than in
> all the other bulbs so that far more voltage appears across the new bulb
> than the others and so the filament vaporizes. Is this what's going on?
> It's very frustrating, to say the least...
>
> 73 & MX,
>
> Kim N5OP
> --
>
> Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
> SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
>
> /"In theory there is no difference between theory and practice. But, in
> practice, there is." //– Attributed to many people; it’s so true that it
> doesn’t matter who said it./
>
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