[Amps] Fw: airspaced C's

[Tomm Aldridge]

GREAT hint!  I think this needs to be considered in tuners as well. 
Both Dentron and MFJ units I have had smoked the inductor switch which 
was a pain to fix when a sacrificial gap could have been provided (even 
used as an indicator), thus saving much time and trouble.

R.Measures wrote:

> **  The main thing is choose a Tune-C with less breakdown-V than the 
> bandswitch - so that during a glitch the Tune-C will breakdown first and 
> protect the more-delicate bandswitch.
> 
> 
>>And then run at 1/2 of what you get 'cause humidity, dust and altitude 
>>all contribute to breakdown!!!
>>
>>Tomm, KD7QAE
>>
>>R.Measures wrote:
>>
>>
>>>**  Ste4f -- I find out how much with a high-potential breakdown tester.  
>>>
>>>
>>>
>>>>Hi ,
>>>>is it possible to see on the spacing between the plates in an air spaced 
>>>>variable C howmuch the maximum usable voltage is ???? 
>>>>
>>>>tnx 73 de ON5KM Stef
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>>
>>
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