Re: First VTTC light, and a few questions

["Ed Phillips" <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Tesla list wrote:
> 
> Original poster: FutureT-at-aol-dot-com
> 
> In a message dated 7/18/00 7:09:21 PM Pacific Daylight Time, tesla-at-pupman-dot-com
> writes:
> 
> > Also, is it acceptable to run an 811A with a dull-red glowing plate, or
> >  to what extent is such a thing allowed?
> >
> >  Thanks for any input, and I hope to hear from all you tube coil gurus out
> >  there.
> >
> >  Thanks,
> >
> >  Grayson Dietrich
> 
> Grayson,
> 
> Congratulations on the first light.  A dull red plate is OK, and I would
> just adjust the feedback and/or grid resistance to give longest spark
> with a dull red plate.
> 
> Cheers,
> John Freau

	Long ago I used to run the plates of the 811A's I used in an AM ham
transmitter at bright orange.  Never lost one, although total run times
were only a few hundred hours.  Plenty of cooling air.

Ed