On Sun, 21 May 2017 08:32:41 -0600, Gary wrote:

http://s677.photobucket.com/user/gar...cock1.jpg.html

Petcock is probably zinc.

I was thinking, copper/brass tubing for reinforcement, with the
threaded piece slipped over it.

Any gotcha's I'm about to run into?

Nah, just use a cutting torch for fine flame control.

Or, under $7 delivered from Amazon:
https://smile.amazon.com/s/ref=nb_sb...ywords=petcock

--
In today’s academia and mainstream media,
we’re all guilty of hate until proven leftist.

--Robert Knight, senior fellow, American Civil Rights Union