Halligan's Hallicrafters International

    Halligan's Hallicrafters International
maintained by Scott Neader, KA9FOX





From: "russ dworakowski" <wb3fau@hotmail.com>
Date: Thu, 27 Dec 2001 12:21:01 -0500
Subject: Re: [AMRadio] Cylindrical 811A's needed
Message-ID: <LAW2-F139kEZVUVOJ210000fe39@hotmail.com>


http://www.amfone.net - Home of the AM Radio List.

To post or see items for sale or wanted, go to the new AM'ers Trading post below.
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I have answered  this inquiry many times by different people,  I have used  
with much sucess,and many times,  Locktite 595  or otherwise known
as Super Glue.  It penetrates right in.  I apply it at the juction of the 
glass and base.  In afew seconds  it is set and won't move. Russ


>From: "Tommye &  Jim Wilhite" <w5jpw@isot.com>
>Reply-To: "Tommye &  Jim Wilhite" <w5jpw@isot.com>
>CC: <amradio@qth.net>
>Subject: Re: [AMRadio] Cylindrical 811A's needed
>Date: Thu, 27 Dec 2001 09:12:28 -0600
>
>http://www.amfone.net - Home of the AM Radio List.
>
>To post or see items for sale or wanted, go to the new AM'ers Trading post 
>below.
>http://www.amfone.net/cgi-bin/ikonboard/ikonboard.cgi
>
>Don't know what the brown stuff is on tube bases but, JB Weld works fine.
>There are two types of  JB Weld.  One is fast setting and it will not stand
>up to the heat the original will.  I have used the original on tubes bases
>and it does well
>
>As I recall, the original is good up to 600 degrees and the new fast type 
>is
>just about 1/2 that temp.  So use the one that suits your purpose.
>
>73  Jim
>de W5JPW
>
>
> > ...I have some of their
> > >811a,s and one of the bases came loose.
> > >Anyone know what glue would work well on a tube base?
> > >Glass to plastic?
> > >
> > >Brett
> > >N2DTS
> >
> > I have used epoxy with success.  The crystal clear stuff turns brown 
>with
> > heat, but seems to hold up.  I have used JB Weld, which uses some kind 
>of
> > filler.  It ought to stand up to heat, as they recommend using it to
>repair
> > cracks in automobile engine blocks.
> >
> > Does anyone know what the stuff is that the tube companies use?  It is
>brown
> > and usually porous, looks like air bubbles in it.  With age, it seems to
> > crumble to a powder, but heat doesn't seem to bother it.  Ideally, it
>would
> > be the best stuff to use for tube repair.
> >
> > Don K4KYV
>
>
>
>______________________________________________________
>
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>with the BODY of the message containing:
>
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From: Brett Gazdzinski <brett.gazdzinski@wcom.com>
Date: Thu, 27 Dec 2001 10:23:11 -0500
Subject: RE: [AMRadio] Cylindrical 811A's needed
Message-id: <000201c18eea$68279300$bdb220a6@wcomnet.com>


http://www.amfone.net - Home of the AM Radio List.

To post or see items for sale or wanted, go to the new AM'ers Trading post below.
http://www.amfone.net/cgi-bin/ikonboard/ikonboard.cgi

Don,
I tried the crazy glue stuff...comes in the little tube.
It seems to work great, although I am not sure how it
holds up to high heat.
I had got some Russian 811 tubes and the base was loose
as the wires out of the tube were too long when they 
soldered on the base.
I melted the solder and pushed the tube into the socket, then
did the crazy glue.
I also think the glue they use for attaching rear view
mirrors to windshields would work since its for glass.

I will have to use the Russian 811 tubes to see how it holds
up. For some reason, most of my od3 and other big VR
tubes had loose bases, and I glued them also.

Looking at the sevtlana ? web page, I see they make various
types of 811 and 572b type tubes with various amplification
factors...a 572-3 would work GREAT as an RF tube but all the
tubes have the plate out the base instead of a plate cap.

So close and yet so far....

Brett
N2DTS
 

> 
> 
> >From: Brett Gazdzinski <brett.gazdzinski@wcom.com>
> ...I have some of their
> >811a,s and one of the bases came loose.
> >Anyone know what glue would work well on a tube base?
> >Glass to plastic?
> >
> >Brett
> >N2DTS
> 
> I have used epoxy with success.  The crystal clear stuff 
> turns brown with 
> heat, but seems to hold up.  I have used JB Weld, which uses 
> some kind of 
> filler.  It ought to stand up to heat, as they recommend 
> using it to repair 
> cracks in automobile engine blocks.
> 
> Does anyone know what the stuff is that the tube companies 
> use?  It is brown 
> and usually porous, looks like air bubbles in it.  With age, 
> it seems to 
> crumble to a powder, but heat doesn't seem to bother it.  
> Ideally, it would 
> be the best stuff to use for tube repair.
> 
> Don K4KYV
> 
> _________________________________________________________________
> Send and receive Hotmail on your mobile device: http://mobile.msn.com
> 

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From: "Tommye &  Jim Wilhite" <w5jpw@isot.com>
Date: Thu, 27 Dec 2001 09:12:28 -0600
Subject: Re: [AMRadio] Cylindrical 811A's needed
Message-ID: <000701c18ee8$fa3b1f20$2d2676cc@Wilhite>


http://www.amfone.net - Home of the AM Radio List.

To post or see items for sale or wanted, go to the new AM'ers Trading post below.
http://www.amfone.net/cgi-bin/ikonboard/ikonboard.cgi

Don't know what the brown stuff is on tube bases but, JB Weld works fine.
There are two types of  JB Weld.  One is fast setting and it will not stand
up to the heat the original will.  I have used the original on tubes bases
and it does well

As I recall, the original is good up to 600 degrees and the new fast type is
just about 1/2 that temp.  So use the one that suits your purpose.

73  Jim
de W5JPW


> ...I have some of their
> >811a,s and one of the bases came loose.
> >Anyone know what glue would work well on a tube base?
> >Glass to plastic?
> >
> >Brett
> >N2DTS
>
> I have used epoxy with success.  The crystal clear stuff turns brown with
> heat, but seems to hold up.  I have used JB Weld, which uses some kind of
> filler.  It ought to stand up to heat, as they recommend using it to
repair
> cracks in automobile engine blocks.
>
> Does anyone know what the stuff is that the tube companies use?  It is
brown
> and usually porous, looks like air bubbles in it.  With age, it seems to
> crumble to a powder, but heat doesn't seem to bother it.  Ideally, it
would
> be the best stuff to use for tube repair.
>
> Don K4KYV



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This page last updated 18 Jul 2001.