(TFT) --> using petards to tunnel?

[Rick Smith <rsmith@lightspeed.ca>]

The main advantage to picks / missile bolts on
a rock face is the damage is quite localized.
A petard's shock wave would likely bring down
rock where ever it is weak.

I am also worried that most of the energy 
would not blast rock.  When petards were used
against castle walls, they normally had to be
dug into a pit at the base of the wall and then
be buried.

Regards, Rick

On Fri, 2005-02-18 at 04:48, Nocstar wrote:
> Anyone consider blasting with a petard  banked with sandbags. I'm no mining 
> engineer but I think my dwarf community ought to have some knowledge on 
> this. Also, don't forget Universal Solvent. Now that will clear a tunnel fast.
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