[TowerTalk] mounting barrel connectors on lightning bulkhead

[stan]

Hello Pete,

try my KISS method.

I use a 18" x 18" 3/16" aluminum bulkhead mounted over a
15" x 15" "window in the foundation.

I use N type (female to female) bulkhead connectors.
I use a 5/8" paddle bit in my makita drill to make holes.
I predrill a small 1/8" pilot hole first, then have at it with the
paddle bit.

Measure the outer diameter (OD) of the bulkhead adapter you will be
using
and get a suitably sized paddle bit.

Most every hardware store or dept store like aWal-Mart will have paddle
bits.
for about 2-3$.

Paddle bits are mostly used for wood, but federally licensed radio
amateur
operators are authorized there use on aluminum...

Of course if you have a suitable sized hole saw, use it.

Stan, WA1ECF   Cape Cod, MA   FN41sr



Pete Smith wrote:

> I am  adding a ground-level grounding panel for better lightning
> protection
> for my TOWER and ANTENNAS, and am not looking forward to drilling many
>
> holes for coax connectors, then reaming to size (I lack a large-enough
>
> drill).  What other options are out there?  Do they still make chassis
>
> punches to do this job?
>
> 73,  Pete Smith N4ZR
> In wild, wonderful, fairly rare WEST Virginia
>
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