You can buy sets of the sleeves made for just this purpose...with a small
allen screw
to hold it wherever you want.
We used 'em at HP...then I got a set for myself. Probably now at the Harbor
Freight place!
....Dave
----- Original Message -----
From: "Dr. Gerald N. Johnson" <geraldj@weather.net>
To: <tentec@contesting.com>
Sent: Thursday, September 30, 2010 1:51 PM
Subject: Re: [TenTec] Eagle Information
> There are other ways to protect stuff inside. One is to use a short bit,
> I keep a few screw machine bits that are only about 1-1/2" long on hand.
> Another more versatile technique is to surround the drill bit with a
> sleeve letting only enough stick out to go through the metal. Sleeve can
> be brass or steel tubing, or a block of wood with a hole drilled through
> it. The nicest technique is to use a Whitney-Jensen hand punch, model No
> 5 Jr if only 1-3/4" reach is needed and there's no flange or the model
> XX if more reach and depth is needed. These were far more price
> effective when I bought them than they are now. At least they don't drop
> drillings in the radio. You can capture drillings with a pocket of duct
> or masking tap under the hole.
>
> 73, Jerry, K0CQ
>
> On 9/30/2010 11:34 AM, Rick - NJ0IP / DJ0IP wrote:
>> CAREFULL !!! Long ago while drilling two holes in the back of my OM6 to
>> insert a preselector, the bit went through a few windings of a 2,5 mh
>> choke.
>> This was just a few days before departing for 4U1VIC for a contest. Of
>> course Ten-Tec got a spare choke to me in 4 days... and I was in Munich,
>> Germany. CQ Kenwood: (try 4 months).
>>
>> Lesson learned. I now use a small C-clamp and clamp a thin piece of
>> plywood
>> to the inside of the chassis before drilling through.
>>
>> -----Original Message-----
>>
>> What's wrong with a ham drilling the back panel himself?
>>
>>
>> -Stuart
>> K5KVH
>>
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