[Milsurplus] A Cable Question -- MORE

mac w7qho at aol.com
Thu Jul 28 11:24:57 EDT 2011


Well, OK.....  In the context of the catalog description I would take  
"reamed out" to mean enlargement of the opening to accommodate the  
cable  by whatever means the user might decide.

Dennis D.  W7QHO
Glendale, CA

**************
On Jul 28, 2011, at 7:59 AM, Mike Hanz wrote:

> Reaming is certainly a possibility if you happen to have a set of
> reamers on the tool shelf.  You may be surprised at the cost of a  
> single
> reamer - $30 is about average.  Reamers are normally used for  
> finishing
> holes to extremely exact tolerances, certainly not the requirement
> here.  The coax varies by several thousandths, so you would want the
> diameter of the hole to be a couple of thou above the .405 nominal for
> RG-8.  The easiest way is to chuck the connector in a lathe and simply
> bore it - about 5 minutes max.   Drilling is possible, but you will  
> have
> to have a very rigid setup with no free play in the feed to avoid a  
> two
> flute drill catching in the brass and damaging the thin wall material.
> For only .025" removal, you could also grind it out with a Dremel  
> using
> a continuous circular motion, but the brass will fill the pores in the
> grinding wheel *very* quickly and have to be cleaned off several times
> in the process.  Wish I had known - I coulda bored it out for you  
> before
> I mailed the connector.  I didn't even think about the cable at the
> time...:'(
>
> 73,
> Mike




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