thanks! I will fix it right away.

jackssmirkingrevenge, I tried to copy the image location, but I don't know how to do it. I know you all must think I am an idiot, but I am just new at this. I have right clicked on the photo, but there isn't an option that says "copy image location". there is one that says "view page source", one ...

mine has them the same, but all of it goes out the barrel. the blow gun has such a small hole that it only lets through a small amount. this is helpful when the barrel becomes blocked or clogged, because the air will just go through the blow gun in a slow(ish) manner.
the burst discs in a triggered ...

the burst discs are the same. the space between the discs is pressurized to half that of the main chamber. when you exhaust the space between them(lowering the pressure), the rear one blows first, then the front one. there is a page on the spudfiles wiki.

This is my first air cannon to go on spudfiles, but it is not the first one I have made. This gun uses aluminum foil burst discs in a cascade-failure system with a blow gun pilot valve. the foil discs hold 20 psi each, and so far I have used two sets of three at a time for a total pressure of 100 ...