[AMPS] parasitics

[Rich Measures]

>>To 2, I am still totally unconvinced that you can get enough current from
>>the space charge and the filament in 3-500Z to do this. So I'm a flash arc
>>believer.
>
>Peter,
>
>I am not saying I fully buy the parasitic theory....but....
>
>Wouldn't an arc do fairly extreme damage like melting the grid or even 
>vaporizing part of it?  The post by John Lyles seemed to indicate that 
>arcs generally do some pretty damaging stuff.  Far more than just bend 
>filaments.
>
>So why don't we see more extensive damage in 3-500Z's with bent filaments 
>if arcing is the real cause?
>
>I've asked this question at least twice and no one has responded to it 
>yet.  So I am asking it again.
>
...taking a wild guess.  .  Maybe the arc that causes filament-grid 
shorts 3-500Zs is a previously unknown type of arc that causes bending 
instead of heating.  Thus, a "bending-arc" would leave no arc marks in 
the metal.    


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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