Re: Machining an Egg

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "BRIAN FOLEY" <ka1bbg@xxxxxxxxxxx>

Hi, the fumes from casting copper can be poisonous and irritating as well.
cul brian f.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, September 17, 2006 2:41 PM
Subject: Re: Machining an Egg


> Original poster: David Speck <dave@xxxxxxxxxxxxxxxx>
>
> Dave,
>
> Current pennies are only a couple percent copper, and are mostly zinc
inside.
> I guess you could use old copper pipe, but copper melts at 1984
> degrees F, not something you can achieve without a decent furnace,
> casting equipment, and protective gear.  IMHO, it would be a lot
> easier to start from eBay rod stock.
> Dave Speck
>
> Tesla list wrote:
> >Original poster: "Dave" <dgoodfellow@xxxxxxxxxxxxxx>
> >
> >Perhaps you could make a mold from an egg, get a few rolls of
> >pennies, or scrap copper, and cast your own egg. Then it could be
> >cleaned up on a lathe. Someone on the list probably knows some
> >casting techniques and can advise.
>
>