I got to speak with the crew of Polaris Dawn to learn more about their exciting mission including the features of the brand new SpaceX EVA suit and all the d...
The pressure in the Apollo 1 capsule was 16.7 PSI or 1.14 atmospheres of pure oxygen. That’s almost 5.5 times the partial pressure of oxygen at sea level. At 5 PSI, the Polaris crew will only be at 1.6 times the partial pressure of oxygen at sea level.
You’re right, the Apollo 1 was significantly higher pressure. Didn’t know that. 😲 Makes somewhat more sense they could keep a pure oxygen atmosphere even after the accident.
Also, calculating partial pressures in psi is really annoying.
Even the command module was pure oxygen at 5 psi. There was the Apollo 1 fire, but otherwise I don’t remember that there were any major issues.
The pressure in the Apollo 1 capsule was 16.7 PSI or 1.14 atmospheres of pure oxygen. That’s almost 5.5 times the partial pressure of oxygen at sea level. At 5 PSI, the Polaris crew will only be at 1.6 times the partial pressure of oxygen at sea level.
You’re right, the Apollo 1 was significantly higher pressure. Didn’t know that. 😲 Makes somewhat more sense they could keep a pure oxygen atmosphere even after the accident.
Also, calculating partial pressures in psi is really annoying.
kPa and Bar are obviously superior units!