[C320-list] GPS Antenna Installation

[Chris Burti]

If stainless gets hot enough, it will get unbelievably
hard. If you have dulled titanium bits, you probably
started too big and you definitely got it hot enough.
Several diamond burrs in a dremel tool may get the
broken bit out and finish your pilot hole.

--- Quentin Murphy <qmurphy at sympatico.ca> wrote:

> I'm installing a chart plotter on the pedestal and
> will be mounting the GPS
> antenna on the pushpit starboard side of the ladder.
>  From inside the
> starboard aft locker I'm able to get a drill to the
> underside of one of the
> pushpit's "stations".  When I drilled through the
> fibreglass from the
> underside about two shot-glasses of water came out
> which I found strange.
> Anyway, past that point the going got extremely
> difficult and completely
> dulled five titanium drill bits in no short order. 
> I then tried with a tiny
> bit which has unfortunately broken off up in the
> hole which I cannot get
> out. I presume I will have to abandon that hole now
> and try another route. I
> would think I'm encountering problems because the
> stainless steel tube is
> welded to the flat mounting bracket and there could
> be a big glob of wend in
> there at the base.  I was also planning on using
> this route as a feed for
> the starboard observation seat speaker as my boat is
> not prewired like later
> models.  Can anyone tell me how you managed to drill
> through this very tough
> material?
> 
> Quentin Murphy
> Celtic Knot #667
> 
> 
> 


Chris Burti
"Commitment"
Catalina 320, #867, 
Farmville, NC

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