When the stones are flooded with coolant and a 1/4 mil taken - what heat?
I don't intend to take 1/2" of stone off in a single pass!
One works back and forth.

Martin

Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Life; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/


Jon Elson wrote:
Martin H. Eastburn wrote:
How about a surface grinder ? Seems like that would be ok -
The concentrated heat could break the stone, causing a rather
catastrophic explosion. I sure wouldn't want to stand downrange when
doing this!

Jon