[Amps] Grid fuses (was: Life and gain of 3-500Z)

[R L Measures]

On Jul 20, 2006, at 3:42 PM, Tom W8JI wrote:

>> R L Measures wrote:
>>> As I see it, the lateral EMF from grid-I during a
>>> parasite bends the
>>> filament sideways, in some cases causing it to touch the
>>> grid.
>>
>> But despite repeated requests, you have never provided a
>> detailed
>> explanation for this bending force, in terms of the
>> familiar "left-hand
>> law" that makes an electric motor work; or identified what
>> is special
>> about "parasites" that could cause this behaviour.
>
> I calculated that force long ago based on the saturated
> emission limits of the 3-500Z.
> The force was in the order of several grams. Normal
> operating forces caused by AC in the filament were higher.

Please show us your calculations, Mr. Rauch.
>
> 73 Tom
>
>
>
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R L MEASURES, AG6K. 805-386-3734
r at somis.org