Question regarding C02

Platapus · 04-18-11, 07:53 PM

I have never understood what the CO2 indicator was indicating in SH4. If the first notification is at 25% and it means the atmosphere in the submarine consists of 25% CO2, no one would be able to hear the notification, everyone would be unconscious in about 15 minutes. At 25%, they would be dead or dying.

The general percentage effects on humans is as follows.

1% (10,000ppm) causes drowsiness after a while
2% raises the heart rate and reduces the hearing (weird how the hearing is affected so soon)
5% causes uncontrolled heavy breathing (which only makes the problem worse) and there is significant impairment. The crew would be effectively incapacitated.
8% Vision dims and loss of consciousness in about 15 minutes.

So when the SH4 CO2 indicator indicates 25%, I *think* they are taking some maximum percentage of CO2 (let's say 5%) and that is the scale.

An indicator of 25% means 25% of 5% or 1.25% CO2
50% indicated would mean 2.5%
100% indicated would mean 5% CO2.

That is the only way the SH4 indicator would make sense.

Anyone else figure it differently?

04-18-11, 07:53 PM	#4
Platapus Fleet Admiral Join Date: Oct 2006 Posts: 19,381 Downloads: 63 Uploads: 0	I have never understood what the CO2 indicator was indicating in SH4. If the first notification is at 25% and it means the atmosphere in the submarine consists of 25% CO2, no one would be able to hear the notification, everyone would be unconscious in about 15 minutes. At 25%, they would be dead or dying. The general percentage effects on humans is as follows. 1% (10,000ppm) causes drowsiness after a while 2% raises the heart rate and reduces the hearing (weird how the hearing is affected so soon) 5% causes uncontrolled heavy breathing (which only makes the problem worse) and there is significant impairment. The crew would be effectively incapacitated. 8% Vision dims and loss of consciousness in about 15 minutes. So when the SH4 CO2 indicator indicates 25%, I think they are taking some maximum percentage of CO2 (let's say 5%) and that is the scale. An indicator of 25% means 25% of 5% or 1.25% CO2 50% indicated would mean 2.5% 100% indicated would mean 5% CO2. That is the only way the SH4 indicator would make sense. Anyone else figure it differently? __________________ abusus non tollit usum - A right should NOT be withheld from people on the basis that some tend to abuse that right.