You raise important points but some of these issues are less of a concern:
-air supply leaks: the whole air supply is inside the shelter with a fan at the inside end. Thus, any leak goes from clean to dirty and is not an issue
-leaks through membrane (including airlock doors): not a major issue, the positive pressure will not let anything from the outside come inside
-shutdown due to failure of critical components is not foreseen to be an issue—all components should be possible to engineer for long continuous operation
The suits are indeed only 50k protection factor but it should be possible to use proven methods used to transfer germ free mice between facilities.
Water and food are not completely solved yet, agreed. I think food will be the harder part and I’m happy organizations such as ALLFED are working on this.
I am happy to address this in more detail as we have spent quite a bit of time turning many stones. That said, a team of people can still make mistakes so I appreciate that you are helping me looking into this and this is part of the reason I posted—I would love to take a call to if that would be easier to hash this out.
-air supply leaks: the whole air supply is inside the shelter with a fan at the inside end. Thus, any leak goes from clean to dirty and is not an issue
I’m not sure what you’re describing here. Unless you’re talking about some sort of closed-loop system (like on a submarine or spacecraft), leaks are always a possibility. Can you share an illustration of what you’re trying to describe?
-leaks through membrane (including airlock doors): not a major issue, the positive pressure will not let anything from the outside come inside
It might not be a major issue for a tiny pinhole but what about a larger hole or tear? What if that pinhole suddenly creates a larger rupture (helped out by a red truck perhaps?) in the membrane?
-shutdown due to failure of critical components is not foreseen to be an issue
Famous last words. Battery BMS fails → positive pressure is lost → bacteria gets in via tiny membrane hole(s) → everyone in the shelter dies
- all components should be possible to engineer for long continuous operation
These components will need to be mass-produced by the millions and continuously used under real world conditions to have any decent chance of being reliable. Even if certain components are already mass-produced for other uses, integrating them into a reliable system would still require integrating them into millions of shelters. But as I mentioned before, that’s not likely to happen.
The suits are indeed only 50k protection factor but it should be possible to use proven methods used to transfer germ free mice between facilities.
The leak problems that plague shelters would also apply to suits. And we are talking about using suits in the outside world, right? All facilities except shelters and perhaps food warehouses would not be protected and suits would be needed to access them.
I am happy to address this in more detail as we have spent quite a bit of time turning many stones. That said, a team of people can still make mistakes so I appreciate that you are helping me looking into this and this is part of the reason I posted—I would love to take a call to if that would be easier to hash this out.
If solutions to at least some of these issues are documented elsewhere, perhaps you can provide some links?
At least for now, public discussion seems more appropriate.
You raise important points but some of these issues are less of a concern: -air supply leaks: the whole air supply is inside the shelter with a fan at the inside end. Thus, any leak goes from clean to dirty and is not an issue -leaks through membrane (including airlock doors): not a major issue, the positive pressure will not let anything from the outside come inside -shutdown due to failure of critical components is not foreseen to be an issue—all components should be possible to engineer for long continuous operation
The suits are indeed only 50k protection factor but it should be possible to use proven methods used to transfer germ free mice between facilities.
Water and food are not completely solved yet, agreed. I think food will be the harder part and I’m happy organizations such as ALLFED are working on this.
I am happy to address this in more detail as we have spent quite a bit of time turning many stones. That said, a team of people can still make mistakes so I appreciate that you are helping me looking into this and this is part of the reason I posted—I would love to take a call to if that would be easier to hash this out.
I’m not sure what you’re describing here. Unless you’re talking about some sort of closed-loop system (like on a submarine or spacecraft), leaks are always a possibility. Can you share an illustration of what you’re trying to describe?
It might not be a major issue for a tiny pinhole but what about a larger hole or tear? What if that pinhole suddenly creates a larger rupture (helped out by a red truck perhaps?) in the membrane?
Famous last words. Battery BMS fails → positive pressure is lost → bacteria gets in via tiny membrane hole(s) → everyone in the shelter dies
These components will need to be mass-produced by the millions and continuously used under real world conditions to have any decent chance of being reliable. Even if certain components are already mass-produced for other uses, integrating them into a reliable system would still require integrating them into millions of shelters. But as I mentioned before, that’s not likely to happen.
The leak problems that plague shelters would also apply to suits. And we are talking about using suits in the outside world, right? All facilities except shelters and perhaps food warehouses would not be protected and suits would be needed to access them.
If solutions to at least some of these issues are documented elsewhere, perhaps you can provide some links?
At least for now, public discussion seems more appropriate.