Spring is here, so now it's time to try a burner build. First out is a linear burner, mostly for handheld use (that's the plan anyway). I intend to build it mostly of stuff I already have, the first picture (if they show up in the correct order this time) shows the lawnmower handles that the tubing is cannibalized from - they're both 22mm/7/8" outside diameter, but the more expensive mower had 2mm thick metal, while the cheaper ones were 1mm (0.080 & 0.040"), making the inside diameter 18 an