Made from various cans, paperclips, ballpoint pen tip as nozzle, assembled with solder.
The oblique axis is ugly, I know, but the reason of not making it horizontal and using belt drive is because I found that the stretched rubber band makes it hard to move, probably because energy is lost at the stretching and relaxing of the rubber.
Caution:
Boilers can burst or explode violently. An alcohol burner moving on its own is a very dangerous fire hazard.
3 мар 2021