[AMRadio] Play in Valiant VFO knob


David Harmon k6xyz at sbcglobal.net
Thu Aug 18 10:20:00 EDT 2016


I believe someone previously mentioned thin unclad .008" to .010" thick ckt
board material.
Flexible but still very tough.
Check the archives.


73

David Harmon
K6XYZ
Sperry, OK

-----Original Message-----
From: AMRadio [mailto:amradio-bounces at mailman.qth.net] On Behalf Of Steve
Wender
Sent: Thursday, August 18, 2016 8:40 AM
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Subject: [AMRadio] Play in Valiant VFO knob

Hi All,


Well, I am still working on fixing the Valiant VFO play in the VFO.  I took
the front panel off and a lot of the VFO shielding to look at the coupling.
There is a bakalite spider that goes from 3/16" shaft on the variable cap to
1/4 inch reducing gear mechanism which goes to the dial.  The bakalite
spider was broken and needs to be replaced.  Any one have one around?  I
have a choice of repairing the spider-- I need a new bakalite piece or using
a direct metal coupling.  I think i can make a coupling out of metal because
I think the rotor of the cap is at ground but I will not have the
flexibility in the drive shaft.  I can try to repair the spider by drilling
out the rivets and replacing the bakalite 
sheet-- have to find some bakalite sheet or use something else.   Any 
thougths?

The fun continues.

Steve KC5WN


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