Ferrite Slugs

[LEON WENDLER]

I have the blue prints of the sb-620 and ho-13 coils
if people want them i will put them on our heathkit
website. just let me know. www.tech-systems-labs.com 
when you find out which cores to buy could you please
tell me so i can list infomation for other hams.
thank you
leon @ technology systems


--- Bob And Bettina Groh <rgroh at SWBELL.NET> wrote:

> Well, it just so happens I was just looking into
> that. I have not done 
> all my homework (principally wrt where to get small
> quantities or the 
> exact parts needed) but Micrometals, Inc.
> <http://www.micrometals.com/> 
> does have threaded core's that will do the job. Look
> in their <Parts 
> Listing> section under RF Products --> Threaded
> Cores.  In order to 
> decide what we need we need to know (for each
> particular application)
> - the thread size and core length
> - either the material type (e.g. Carbonyl C) or
> - (to allow reverse engineering it) the application
> frequency
> 
> It is possible that some of the old-timers from
> Heathkit could dig 
> around for the original spec sheets and obtain this
> information.
> 
> If we could come up with a list of common cores, we
> might be able to buy 
> a quantity of them and split them up into smaller
> parts sets for us to 
> have.
> 
> But maybe someone has already done all of this and
> has the information 
> and parts available. It would be nice to have some
> spare core's around 
> to replace broken ones.
> 
> 73 de WA2CKY
> Bob Groh
> 'Heathkit engineer from 1977 to 1981'
> 
> S. Scott wrote:
> 
> >Does anyone know a source for ferrite tuning slugs
> that would work in RF
> >tuning coils used in SB series equipment?
> >
>
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