this post was submitted on 29 Oct 2023
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No real mention of the main enemy, oxygen..... A brush fire can deplete the local oxygen levels even if your nice and cool underground.
These are basically small concrete boxes sunk into the ground. They're only meant to stick out a bushfire for a few hours.
You could probably just keep a few bottles of oxygen or a carbon dioxide scrubber stashed in there, just in case. If you can spend $10,000 on one of these bunkers, spending a few hundred more isn't going to make a difference.
Anything longer than a few hours would get dicey anyway without room to move around, without room to stash water or food, without a toilet or beds.
They could put in a bunch of high-O2 producing plants like mother-in-law's tongue and be relatively okay-ish.
is a bunch of plants in a small bunker sufficient for making enough o2?
No
No, you need 7-8 full-grown trees to offset a single person's respiration. https://www.sciencefocus.com/planet-earth/how-many-trees-does-it-take-to-produce-oxygen-for-one-person
Water I get, especially if it gets warm, but the rest sound weird. It won't be comfortable to be sitting around for extended amount of time with your stomach grumbling but surely you can manage more than a few hours?
It is said that you have 6 hours of air for 4 people.
That sounds shit. Where am I going to find three other people?
How are they with temperature management as well? These destructive fires get insanely hot, I've seen these fires turn vehicles into nothing but puddles of of metal. I would be concerned that these would just turn into underground ovens.
Even with huge temperatures, it doesn't take that much to isolatie from them. Especially when it's for a relatively short period
Many cars are filled with very flammable stuff.
Hah, like you'd notice!