RE: Obstacles, Part 2

You wrote: 

>Speaking as a somewhat frequent user of the stuff, John is right on 
the >money with this one. We don't like to use the electrical stuff AT 
ALL. Much >better to have a system contructed of det and timing cord.

Even better, if you want the sort of semi-instananeous blast from a 
good standoff that you get with electric, would be what US Army calls 
MDI.  Shock tube ROCKS.

John M. Atkinson