Dial belts

[Dave Edwards]

Antique Electronic Supply sells "Dial String"
Used it on a National NC109, and it worked great. Now I have a SB401 to
restring as well.
...Dave
-----Original Message-----
From: Stewart D Lyon <stu_w6cux at JUNO.COM>
To: HEATH at LISTSERV.TEMPE.GOV <HEATH at LISTSERV.TEMPE.GOV>
Date: Wednesday, November 10, 1999 6:36 PM
Subject: Re: Dial belts


>Paul,
>I think they were all that way in the beginning. I have a SB-100 and the
>manual for it and it (the manual) goes to great lengths on how to string
>the dial cord. Since then I've restrung a SB-101 loading and driver
>tuning and it has a much more solid feeling. The only problem is
>synchronizing the grid and plate tuning of the driver. With the belts you
>can turn the control end-to-end and let the belt slip do the
>synchronizing. With the dial cord, you have to keep redoing to get the
>right.  I gave up and used a belt (PepBoys O-ring) for the 1st belt. Also
>the SB-401 uses dial cord for the final loading which is an identical
>setup to the SB-100/1/2.
>
>This would be a great thing for Harbach to offer. If he could find the
>springs.  Fishing line makes great dial cord but I've looked all over for
>those springs.  Maybe an appliance repair shop.
>
>73, Stu - W6CUX
>Winnetka, CA
>
>On Wed, 10 Nov 1999 17:05:49 -0500 "Paul K. Dean"
><wb9hgz at CHARLOTTESVILLE.NET> writes:
>>A lot of discussion concerning drive belts as of late.  Thought I'd
>>offer an interesting "fix" I witnessed.  Bought an SB-100 a while back
>and
>>the previous owner had "re-strung" the drives using dial cord.  Just
>like
>>you would a dial in the old Hallicrafters and many others.  Made a
>couple
>>of turns around the pulleys and tensioned it.
>>
>>Seems to work great, so I left it alone.  Probably upset the "purist",
>>but by golly, it works!
>>
>>Never underestimate the genius of a Ham!
>>
>>73,
>>Paul, wb9hgz
>
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