I’ve tried, only half-heartedly to make a cat stove. I am not so interested in having a cat stove as I am in being able to make one that functions acceptably. I find them interesting for a few reasons:
- they are cheap to make, requiring only trash and (if desired) a standard paper hole puncher.
- like most amusing stunts, they are easy to do but difficult to do well.
- they are semi-pressurised; the pot sits on and encloses the open top — this pressurizes the preheated fuel chamber. Gasified fuel exits the holes and burns.
Here’s a night video of the stove running (same as above, but lights/flash turned off). It’s about 60secs before flameout (got distracted) so there is starting to be some flame instability and color shift.