What is the most efficient DIY alcohol stove for narrow pots?
I like to use a pot which is 8.9 cm wide (3.5 inches) - because anything bigger would be a waste of space and weight for my needs. It's identical to a Toaks 750ml titanium pot.
Most of the stove systems I tried, are inefficient with that pot since they produce a flame that is too wide, goes over the border of the pot, and wastes fuel by heating the sky rather than my water.
I am experimenting with some DIY alcohol designs to find which is more efficient with that pot, but I wanted to know if someone already made some tests and came to a conclusion.
I am quite skilled with DIY so a complex design wouldn't be a problem. Living in Europe, availability of some source materials, could (like, aluminium red bull bottles are almost impossible to find here).
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The original Penny Stove has been popular for over a decade as a DIY alcohol stove designed for ultralight backpackers. Its trademark is the use of a penny as a fuel regulator.
Independent tests document that it heats faster, uses less fuel, simmers longer, and packs lighter than any commercial alcohol stove.
The 2.0 version achieves the same performance as the original but uses regular beer or soda cans instead of the now-discontinued Heineken kegs (which were more indestructible).
With simmer ring:
See some reviews on the main page. It's touted as a great base camp, boat, camper, or winter stove.
The quality/comprehensiveness of the documentation is also excellent in my opinion.
This may or may not fit your needs, but I felt it worth a mention. Notably, there is also a version for smaller pots that keeps the burners focused in a narrow radius:
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If you are not specifically looking for a liquid fuel thing: I always fantasized about making one such thing. But I have never tried.
- Get a tin
- Make something that looks like below.
Advantages:
- Tins are easy to find and so are those solid fuel tablets
- If you break it, worst case you will be at loss of money worth a burger and time worth an afternoon nap.
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