The spark plug idea came from Frocksie's hybrid( i think

The rest is just a basic hybrid pretty much
Chamber: 12" of 2" SCH40 Steel Plus fittings and such
Barrel(not pictured):10' 3/4in copper pipe
Ignition: Camera Flash dumped through ignition coil
Fuel: Air/Propane and soon Oxy/Propane
Hope you like it




