This mini is tested
remotely up to 3x, and after manymanymany tests I have decided it is
safe to be handheld with a 2x mix. It uses a simple BBQ ignition,
direct propane, and a 3/4" sch80 union with milk-jug burst discs. The
chamber is 6" of 2" sch80 and the barrel is 3' of 3/4" sch40. While the
fittings arent sch80, they are NSF-pw, so for 2x mixes its fine.
This shot is a close up of the side
of the mini, showing the propane system, union, and a piece of the
foxtail ammo at the bottom
Here's the back of the mini hybrid.
In this shot you can see the schrader valve.
This is the Foxtail ammo I use for
testing. Its very simple, just a wrapped up shop rag with tape and a
penny (for weight) on one end. Its lightweight and is extremely
durable, so for testing purposes its ideal. Moreover, it slows down
quickly, so it can be easily retrieved (not to mention it is a safe