Re: spark gap (working copper)

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>

Why do all that when all you need are pipe fittings.

Adam

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: Ian Macky <ian@xxxxxxxxx>
>
>
> >My problem is getting motivated to purchase and
> hack up three feet
> >of 3/4" copper bar to test next to tubing...
>
> Introducing the Joy of Carbide: Woodworking tools
> with carbide bits can
> work aluminum and copper!  A woodworking chop saw
> with a carbide blade
> zips through aluminum and makes beautiful cuts.
> And, it does hard or
> coft copper too, but more slowly.  With a handheld
> router and carbide bit,
> you can hand "mill" aluminum!  (This is best with
> guides tho).
>
> --ian
>
> P.S. But, be warned, copper is a b**** to machine in
> an traditional engine
> lathe or mill (especially older, slopperier) since
> it's soft and grabby
> and the bit just kind of dives in and the whole
> thing wedges up in a flash,
> quite ugly (was showed some examples of ruined
> copper parts).
>
>
>