i have a glass blower for a friend and i wanted to know at what thickness will glass withstand the force of the average explosion also he can thread the glass for me wth a awsome tool any way heas going to make my chammber and barell all one peace and thread me an end cap also can any one recomend a...

thx i used a 20 in barell it worked great .. until my cap exploded at me and left a wellt on me with the print of what was on the cap hurt hella bad ... end result to much fuel bye bye cap

ive built a combustion cannon out of a pill bottle with a child proof lock but to the piont my question is will a 1/2 inch barell allow the gasses to excape quickley enough from 3 inch combustion chamber .. the pill bottle or will the bottle explode also the average explosion produces aprox. 50-60 p...