Re: Machining an Egg

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>

Though close, pennies have never been "solid copper".

http://en.wikipedia.org/wiki/Penny

Adam

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

> Original poster: "Mike" <mike.marcum@xxxxxxxxxxxx>
>
> afaik pre-1981 pennies are solid copper. I actually
> save em every
> time I get change to make ingots (or maybe eggs lol)
> when the price
> rises enough (or the energy cost falls enough) to
> actually make it
> worth the effort. Pure copper is not easy to melt
> w/o oxidizing it by
> the common Joe with a newfound use for the bbq after
> using it for
> melting nst tar.
>
> Mike
> ----- Original Message ----- From: "Tesla list"
> <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Sunday, September 17, 2006 7:02 PM
> Subject: Re: Machining an Egg
>
>
> >Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>
> >
> >At 11:09 AM 9/17/2006, Tesla list wrote:
> >>Original poster: "Dave"
> <dgoodfellow@xxxxxxxxxxxxxx>
> >>
> >>Perhaps you could make a mold from an egg, get a
> few rolls of pennies,
> >
> >Pennies are made of copper coated zinc these days.
> Copper is MUCH
> >too expensive to use in mere money.
> >
> >I estimate that it takes about 190 pennies to make
> a pound, and, at
> >today's price of  $3.50/lb for copper, solid copper
> pennies would be
> >worth enough for their copper value to make it
> worth melting them down.
> >
> >But here's the question.. does your egg have to be
> conductive or
> >magnetic? Why not aluminum, which is still cheap,
> also easy to machine or cast.
> >
> >
> >
> >