[Johnson] Grounding exciter / plate tune shafts on Johnson ValiantII
Al Parker
anchor at ec.rr.com
Sat Oct 10 15:24:30 EDT 2009
Hi Dave, et al,
Yes, it's a problem, probably doesn't happen on 80m. Take a look at
http://www.boatanchors.org/valiant.htm for some dialog on it, and one pic
showing what I did in my Valiant I.
I just updated that page to show this situation, never got a round tuit
when it happened.
73,
Al, W8UT
New Bern, NC
www.boatanchors.org
www.hammarlund.info
"there is nothing -absolutely nothing- half as much worth doing as simply
messing about in boats."
Ratty, to Mole
----- Original Message -----
From: "Dave Maples" <dsmaples at comcast.net>
To: "Johnson" <johnson at mailman.qth.net>; "boatanchor"
<boatanchors at mailman.qth.net>
Sent: Saturday, October 10, 2009 2:30 PM
Subject: [Johnson] Grounding exciter / plate tune shafts on Johnson
ValiantII
> All: I have after about 3 years started working over my Valiant II. I
> thought I had read somewhere that a source of chirp (as well as heat) was
> the ungrounded capacitor shafts on the exciter and plate tuning capacitors
> (the capacitors go to ground through the shafts and the bushings on the
> front panel). My understanding was that grounding those shafts back at
> the
> capacitors themselves would result in much better performance. Anyone
> here
> comment on that?
>
> Thanks,
> Dave WB4FUR
>
> ______________________________________________________________
> Johnson mailing list
> Home: http://mailman.qth.net/mailman/listinfo/johnson
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Johnson at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
More information about the Johnson
mailing list