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Big John wrote:
Dan True story. Guy in P-51 at low altitude (10K). Opened mask and lit a cigarette. Oxy from mask caused cigarette to flare and burned his face. Made me nervous about the cigars I used to smoke after we got airborne with mask open just hanging by strap. Used the flare gun port on left side of cockpit to get the ashes out of cockpit. Just put cigar down near the hole and flick and poof they were gone. Would be interesting to see the specs on cockpit of SS1. Had to have some pressurization and probably used pressure breathing in conjunction to keep pilot awake/alive. Big John ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~````` On 24 Jun 2004 02:01:07 GMT, (B2431) wrote: Date: 6/23/2004 8:40 PM Central Daylight Time Message-id: Matt My computer bombed so this may go as a dup? I have thousands of hours in jet fighters breathing 100% oxy. We had all kinds of electrical stuff in cockpit(s) and aircraft. High power Radar, Radio's, etc., etc. . Big John ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~ On Wed, 23 Jun 2004 18:28:37 -0400, Matt Whiting wrote: Richard Lamb wrote: In the aftermath of the Apollo 1 fire, NASA took a year (and $75 mil) to redesign the space craft, mature their mental attitudes, and yes, did come back with a much safer vehicle. Yes, but I still wonder how anyone in their right might would use a nearly pure oxygen atmosphere in a vehicle full of humans and electrical equipment... Matt The difference is Apollo 1 was flooded with pure O2 where jet fighters push O2 from a LOX converter to a face mask. Big difference. The only electronics in the mask is a microphone. Having said that the electrical systems in Apollo 1 were poorly routed and protected. It was an accident waiting to happen. Dan. U.S. Air Force, retired Mike was wearing a standard military style oxygen mask, so the cockpit had to be pressurized. But what the cabin altitude was is anybody's guess. Rihcard |
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On Fri, 25 Jun 2004 18:14:58 GMT, Richard Lamb
wrote: Big John wrote: Dan True story. Guy in P-51 at low altitude (10K). Opened mask and lit a cigarette. Oxy from mask caused cigarette to flare and burned his face. Made me nervous about the cigars I used to smoke after we got airborne with mask open just hanging by strap. Used the flare gun port on left side of cockpit to get the ashes out of cockpit. Just put cigar down near the hole and flick and poof they were gone. Would be interesting to see the specs on cockpit of SS1. Had to have some pressurization and probably used pressure breathing in conjunction to keep pilot awake/alive. Big John ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~````` On 24 Jun 2004 02:01:07 GMT, (B2431) wrote: Date: 6/23/2004 8:40 PM Central Daylight Time Message-id: Matt My computer bombed so this may go as a dup? I have thousands of hours in jet fighters breathing 100% oxy. We had all kinds of electrical stuff in cockpit(s) and aircraft. High power Radar, Radio's, etc., etc. . Big John ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~ On Wed, 23 Jun 2004 18:28:37 -0400, Matt Whiting wrote: Richard Lamb wrote: In the aftermath of the Apollo 1 fire, NASA took a year (and $75 mil) to redesign the space craft, mature their mental attitudes, and yes, did come back with a much safer vehicle. Yes, but I still wonder how anyone in their right might would use a nearly pure oxygen atmosphere in a vehicle full of humans and electrical equipment... Matt The difference is Apollo 1 was flooded with pure O2 where jet fighters push O2 from a LOX converter to a face mask. Big difference. The only electronics in the mask is a microphone. Having said that the electrical systems in Apollo 1 were poorly routed and protected. It was an accident waiting to happen. Dan. U.S. Air Force, retired Mike was wearing a standard military style oxygen mask, so the cockpit had to be pressurized. But what the cabin altitude was is anybody's guess. Rihcard It's all a question of partial pressure. At 29,280 feet, even 100% oxygen is barely capable of keeping a human alive, never mind let them do any type of serious exercise (which is why 8000 meter mountains are so hard). I doubt the cabin was at much higher than 15,000 feet, probably lower than that. Which makes the bird all the more impressive, to me. -- dillon When I was a kid, I thought the angel's name was Hark and the horse's name was Bob. |
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![]() "Dillon Pyron" wrote in message news ![]() It's all a question of partial pressure. At 29,280 feet, even 100% oxygen is barely capable of keeping a human alive, never mind let them do any type of serious exercise (which is why 8000 meter mountains are so hard). I doubt the cabin was at much higher than 15,000 feet, probably lower than that. Which makes the bird all the more impressive, to me. -- dillon When I was a kid, I thought the angel's name was Hark and the horse's name was Bob. Not quite. At that 29,000' 100% O2 is the same partial pressure as 20% O2 at sea level. Glider pilots reach these altitudes in unpressurized cockpits all the time. The record altitude for a glider is just under 50,000' again with no pressurization. Did you know that Spaceship One is registered as a glider? Bill Daniels |
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![]() "Dillon Pyron" wrote in message news ![]() It's all a question of partial pressure. At 29,280 feet, even 100% oxygen is barely capable of keeping a human alive, never mind let them do any type of serious exercise (which is why 8000 meter mountains are so hard). I doubt the cabin was at much higher than 15,000 feet, probably lower than that. Which makes the bird all the more impressive, to me. -- dillon When I was a kid, I thought the angel's name was Hark and the horse's name was Bob. Not quite. At that 29,000' 100% O2 is the same partial pressure as 20% O2 at sea level. Glider pilots reach these altitudes in unpressurized cockpits all the time. The record altitude for a glider is just under 50,000' again with no pressurization. Did you know that Spaceship One is registered as a glider? Bill Daniels |
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