Re: Whatever did we do before Mig welders?

[Nt788@aol.com]

In a message dated 12/21/2004 7:03:14 AM Pacific Standard Time, 
drmayf@teknett.com writes:

> It just lays on top of the metals being joined and
> 

What percentage penetration is optimum, is there a correct weld prep? The 
nuke pipe example sounds perfect. Bradley tanks are 11/2"-3"alum. miged, except 
the ones I made, which were wood. jack