|[AMRadio] Heath SB Problem!|
gswynar at durham.net
Fri Jul 8 08:50:06 EDT 2005
Good Morning Bob,
Ah yes, the very infamous friction drive disk --- surely *THE* Achilles heel
in the otherwise excellent SB-series from Heath...
Some years ago a chap posted a description of his own homebrewed version of
a direct REPLACEMENT for that contraption --- I wish I could recall his name
& address, as I do believe this could very well grow to be a nice little
cottage industry for the enterprising entrepreneur within our ranks...
Let's face it: unless your rig is simply sitting pretty atop some display
case strictly for show, ALL those friction drives wear with time in an
active station, they do need periodic re-adjustment / maintenance, and
sooner or later need to be replaced outright. I only just wish that I was
smart enough to come up with a viable, marketable alternative myself...!
BTW, there are several entries in vintage "HINTS & KINKS" on this very
subject matter --- have you researched those yet...?
~73!~ Eddy VE3CUI - VE3XZ
----- Original Message -----
From: "Bob Macklin" <macklinbob at msn.com>
To: "Discussion of AM Radio" <amradio at mailman.qth.net>
Sent: Thursday, July 07, 2005 6:24 PM
Subject: Re: [AMRadio] Heath SB Problem!
> This afternoon the dial stopped turning when I turned the knob. I have
> through this before. But this time I could not adjust it. I had to
> disaaemble the Bezel and get the input shaft out. One of the spring disks
> that form the friction drive has broken.
> I have contacted RTO about a replacement. I hope they have them. I am now
> going to pull the chassis out and see if I can find the broken piece. If I
> can find it I might be able to fix it.
> Bob Macklin
> Seattle, Wa.
> "REAL RADIOS GLOW IN THE DARK"
> ----- Original Message -----
> From: <W7QHO at aol.com>
> To: <amradio at mailman.qth.net>
> Sent: Thursday, July 07, 2005 4:16 PM
> Subject: Re: [AMRadio] Heath SB Problem!
> > In a message dated 7/7/05 3:22:37 PM, macklinbob at msn.com writes:
> > > Is anyone here familiar with the LMO drive on a Heath SB unit?
> > >
> > >
> > BOB,
> > I've been into the one on my SB-300. What's the problem/question?
> > Dennis D. W7QHO
> > Glendale, CA
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