Great concept aside from high winds. Nice construction.Not exactly what you’re looking for but I use one of these - https://firesideoutdoor.com
I’ve used it extensively where there is no existing fire pit or simply a stone ring. It elevates the fire on a mesh that allows for air to get under the fire to promote a cleaner and better fire, allows a grid for cooking and all folds to the size of a pack able chair.
The mesh is tight enough to keep ash and coals from falling through.
I also have the “mat” to catch ash and embers to allows to leave a clean site.
It’s a little tricky to use where a fire pit is provided (national parks for instance) where they specifically prohibit fires anywhere outside of the provided fire pit, but I have used it in those instances after a quick chat with the host or ranger.
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Interesting idea, never put any thought into this before, but what comes to mind is a properly sized section of chain link fence. Put some hooks on to suspend it, with weight on it it will sag down hammock style but will be adjustable and as a multi use bonus it could be an emergency traction mat or drag it around camp to clean up leaves, twigs and rocks.
A pick axe or crow bar works wonders for making holes in drums. Drill bits are expensive and slowWhile I can't say that it's "collapsing or easily taken apart" (or light) I carry a cutoff section of a 55 gallon drum (about the bottom quarter) with holes drilled here and there. I often camp where there are no fire rings at all and when there is a fire ring, I don't use it. They are generally super inefficient (as you've noted) and waste a lot of heat. A small amount of wood in the barrel will generate more heat and last much longer than an equivalent amount in a random fire ring. The barrel also contains the fire better than any rock fire ring will (i.e. it's safer).
Using a barrel I can also kill the fire easily without ruining my coals by dumping water on the outside of the barrel.
Yes, it is bulky but it works so much better than any alternative. To conserve packed space I fill the barrel with wood. The wood would need the space anyway and the barrel keeps it all contained.
I thought about that while typing but failed to give the proper safety warning. Thank you for bringing it up.Great idea for the v-style but please make sure the chainlink is not galvanized for health reasons. Never, ever burn galvanized anything.
I will be stealing this idea, and give total credit to you. That is brilliant!