[Boatanchors] Crystal Eater?

[Howard Weinstein]

Hi Bry,
I have been using your rebuilt crystals with my AC-1 for years. Never a
problem!
Tnx Es 73 de Howie WA3Mck

On Sunday, April 3, 2016, Bry Carling <af4k at hotmail.com> wrote:

> He did - with some criticisms retracted the following month (grin!)
> The articles did not go into detail much but the specific crystal cracker
> circuit but it is
> the TRI-TET with the plate operating on the same frequency as the crystal.
>
> There are those who insist on using a huge 813 as a single tube power
> oscillator with a crystal (why would anyone? Beats me!)  I would bet there
> are two or less hams in the USA trying the odd things suggested in Dave's
> article.
>
> I stick to transmitters with 2 or 3 tubes at least, and running the
> crystal oscillator at a sensible power level. Use a sensible "Colpitts"
> style oscillator or a Pierce, and you don't break the crystals.
> Then they don't get destroyed.  Most home brewers and all but beginners
> reading Electric Radio would have already known this though.
>
> But anyway, here is Dave Newkirk's better treatise on the subject:
> http://dpnwritings.nfshost.com/ej/tri-tet/
>
> While looking for that, I ran into this rather cool TX construction
> project on the web also:
> http://members.shaw.ca/ve7sl/longfeller.html
>
> Bry Carling AF4K
>
> > From: parinc1 at frontier.com <javascript:;>
> > To: arc5 at ix.netcom.com <javascript:;>; milsurplus at mailman.qth.net
> <javascript:;>; boatanchors at mailman.qth.net <javascript:;>
> > Date: Thu, 31 Mar 2016 11:17:39 -0400
> > Subject: Re: [Boatanchors] Crystal Eater?
> >
> > I believe Dave WA6VVL did an in depth study of crystal currents in
> Electric
> > Radio last year.
> >
> > Dale W4OP
> >
> >
> > -----Original Message-----
> > From: Boatanchors [mailto:boatanchors-bounces at mailman.qth.net
> <javascript:;>] On Behalf Of
> > David Stinson
> > Sent: Thursday, March 31, 2016 11:02 AM
> > To: milsurplus at mailman.qth.net <javascript:;>;
> boatanchors at mailman.qth.net <javascript:;>
> > Subject: [Boatanchors] Crystal Eater?
> >
> > This 6L6 crystal oscillator, 250 V B+.
> > Will it crack FT-243s?
> >
> > https://goo.gl/photos/Uhke9dbq7oAWpruV6
> >
> >
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