[Amps] Ameritron Amps

[R L Measures]

On Jul 31, 2006, at 6:09 AM, k7fm wrote:

> Rich asked:
>
> "So why didn't the entire envelope melt, Mr. Rauch?"
>
> A hole lets the imprisoned vacuum out.  Strangely, at that point,  
> the heat goes away also.  That stops the meltdown.  Sort of like a  
> fuse.

A small hole was near the anode stem.  There was no indication of  
excessive heat on the sides.   Had the glass softened from anode IR  
radiation, would not the sides of the glass have softened a bit?.
>
> Colin  K7FM
>
>

R L MEASURES, AG6K. 805-386-3734
r at somis.org