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- From: soc1070
- Newsgroups: sci.space,alt.sci.planetary
- Subject: Re: Lunar "colony" reality check and Apollo fire
- Message-ID: <11NOV199215071378@vx.cis.umn.edu>
- Date: 11 Nov 92 20:07:00 GMT
- Article-I.D.: vx.11NOV199215071378
- References: <lg0co3INNh1i@appserv.Eng.Sun.COM> <BxIzDp.6q2@mentor.cc.purdue.edu> <11NOV199208300719@vx.cis.umn.edu> <1992Nov11.163643.20662@gn.ecn.purdue.edu>
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- Organization: University of Minnesota CIS
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- In article <1992Nov11.163643.20662@gn.ecn.purdue.edu>, mechalas@gn.ecn.purdue.edu (John P. Mechalas) writes...
- >In article <11NOV199208300719@vx.cis.umn.edu> soc1070 writes:
- >>> The fire ignited the velcro under high-pressure, and the resultant toxic
- >>>fumes killed the astronauts within seconds.
- >>
- >>I beg to differ. It was in fact Apollo 1, as many have pointed out. If you
- >>check your Apollo history, you will see that 8 circled the moon, 9 did
- >>LEO tests, 10 tested the LM in lunar orbit, 11 landed, 12 landed next to
- >>the Surveyor, 13 blew an oxygen tank on the way to the moon, etc.
- >
- >You are right, of course... Rechecking my refs., I should have said
- >"Spacecraft 12" and not "Apollo 12". Damn naming conventions. :)
- >Apollo 1 was the mission number, and Spacecraft 12 was the spacecraft
- >name...Pardon my confusion.
- >
- >>Secondly, the cause of the fire was never traced to any specific source.
- >>According to Micheal Collens in _Carrying The Fire_, the inside of the
- >>craft was so fried that a single cause could not be found; rather there
- >>were several *probable* causes that resulted in an almost complete redesign
- >>of the inside of the capsule.
- >
- >Correct.
- >
- >>You were right that almost anything will burn at 16psi pure O2, even
- >>stainless steel. Unfortunatly for Grissom, White, and Chaffee, they didn't
- >>die of toxic fumes. It was the fire that did them.
- >
- >I beg to differ on this point. The burns weren't fatal. The astronauts had
- >suffocated. The velcro and nylon netting in the spacecraft burned very *very*
- >rapidly under 16psi of pure O2( later tests showed that the velcro burned at
- >a rate of almost 3 inches per second), and filled the entire cabin with gas.
- >The fire itself was very selective...a flight manual inside the craft (where
- >White was located) was almost untouched.
- >
- >--
- >John Mechalas "I'm not an actor, but
- >mechalas@gn.ecn.purdue.edu I play one on TV."
- >Aero Engineering, Purdue University #include disclaimer.h
-
- I'll concede this one. Re-reading the section of _Carrying The Fire_,
- the actual cause of death is not explectly stated. However, death by
- burns is implied. The text makes it sound as though the entire inside
- of the capsule was consumed by fire. Probably sells more books that way.
-
- ------
- Tim Harincar Millions long for immortality
- Central Minnesota who don't know what to do with
- Association of Rocketry themselves on a rainy Sunday
- soc1070@vx.cis.umn.edu afternoon. -Susan Ertz
-