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🫧 Spacecraft Cabin Atmosphere Planner

🫧 Spacecraft Cabin Atmosphere Planner

Convert cabin pressure and gas fractions into oxygen, carbon-dioxide, water-vapour and inert-gas partial pressures. Compare oxygen availability across mixed-pressure habitat concepts.

Illustrative atmosphere presets
O₂ partial pressure
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CO₂ partial pressure
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Water partial pressure
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Inert balance
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Dalton-law arithmetic, not a life-support controller. It does not model alveolar gases, decompression, flammability, contaminants or individual physiology. Never infer breathing safety from oxygen partial pressure alone; certified sensors and flight rules take precedence.

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