How to make a spud gun? Full instruction here. You’ll will need a cannon barrel, reducer coupling, end cap, female adapter, two clamps, hardware (nuts, connectors, etc.), stun gun, and wiring. Night Lighter can be use both day and night, but when it’s dark, the clear PVC provides an excellent view of the interior ballistics. The stun guns gives better perfomance than weaker sparks from piezoelectric or flint/steel igniters. Video…

[via Techeblog]