19-01-2005 23:26									#1
	Pack for a day trip to mars! Inflate your Upload Space

Question.

What would a person need to spend a few hours on mars and live to tell about it?
No spacesuits available. Basically is there any commercial(arctic, scuba, military, camping or etc) gear that makes walking on mars possible without a spacesuit/ship. Habitats can be considered if the average person can purchase it.

	19-01-2005 23:32									#2
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A hemp smock.

	19-01-2005 23:35									#3
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Basic artic gear and an oxygen supply would be all I can think of. Oh, and try to get dropped off at the equator during the summer.

	19-01-2005 23:36									#4
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Moon boots

	19-01-2005 23:38									#5
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quote: Originally posted by Pax No spacesuits available.

Then you die. I don't think we have any other type of "clothing" that would suitably insulate us against the extreme cold of Mars. You also need a self-contained air supply, as the amount of CO₂ is toxic and would immediately kill you.

After death you'd freeze and dehydrate, like an Andean mummy, and slowly the windstorms would scour your bones clean.

	19-01-2005 23:46									#6
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cheg, in the suumer Mars isn't *THAT* cold at the equator, anything that'd keep you alive in the Artic should be OK.

	19-01-2005 23:52									#7
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Surface temperature (mean) -55°C (-67°F)
Surface temperature (equat. summer day) 27°C (80°F)
Surface temperature (polar winter night) -133°C (-207°F)

quite clement really

	19-01-2005 23:53									#8
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quote: Originally posted by Gangerolf Moon boots

No moon boots available. Would a wet suit or dry suit be any help? How about a gas mask that filters out CO2?

	20-01-2005 00:04									#9
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quote: Originally posted by Pax No moon boots available. Would a wet suit or dry suit be any help? How about a gas mask that filters out CO2?

still wouldn't be enough oxygen in the atmosphere, but the 'no moon boots' thing isn't a big problem, divers weights would be plenty good enough.

	20-01-2005 00:11									#10
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What about the suits? Why do they need diver weights?

	20-01-2005 00:14									#11
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You could just about cope if well wrapped up in -55 for a very short period of time, but as soon as that cold hits your body you will start to freeze quickly...

	20-01-2005 00:16									#12
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The gravity would be able a third that of the Earth, perhaps a little more, but without weights muscle wastage would be a problem after a time, though for a single day it's irrelevant.

	20-01-2005 00:19									#13
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quote: Originally posted by Provost Harrison You could just about cope if well wrapped up in -55 for a very short period of time, but as soon as that cold hits your body you will start to freeze quickly...

Yeah, but people go on holiday in the summer so 27 should be okay, were only on a day trip remember.

Pax, the divers weights are so you could feel the same gravitational pull as you would on earth.

	20-01-2005 00:20									#14
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quote: Originally posted by reds4ever Basic artic gear and an oxygen supply would be all I can think of. Oh, and try to get dropped off at the equator during the summer.

Are you out of your mind?

P = 1KPa

have fun when all your blood vessels burst and your eyes pop out of your skull.

	20-01-2005 00:22									#15
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quote: Originally posted by KrazyHorse P = 1KPa

In english please.

	20-01-2005 00:23									#16
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quote: Originally posted by KrazyHorse Are you out of your mind? P = 1KPa have fun when all your blood vessels burst and your eyes pop out of your skull.

Alright then, swimming goggles as well.....

	20-01-2005 00:23									#17
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There's nothing that would keep you alive on Mars other than a pressurised container to keep your lungs from pushing out of your mouth.

	20-01-2005 00:26									#18
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quote: Originally posted by reds4ever Alright then, swimming goggles as well.....

Any skin exposed to Martian atmospheric pressure would suffer massive edema and cause serious internal bleeding.

Not a pleasant way to die.

quote: In english please.

For the slow: 1 Pascal is 1 Newton per metre squared. 1 kilopascal is 1000 Pascals. Regular atmospheric pressure at sea level on earth is around 100 kilopascals. On Mars atmospheric pressure at ground level is close to 1 kilopascal.

	20-01-2005 00:27									#19
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quote: Originally posted by KrazyHorse For the slow:

For the arrogant:

	20-01-2005 00:28									#20
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quote: Originally posted by reds4ever Alright then, swimming goggles as well.....

Hmm. Faceplate ~.02 m^2. Pressure differential 100kPa.

Those swimming goggles need 200 kg of weight (earth weight that is) to keep them on your face.

	20-01-2005 00:29									#21
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quote: Originally posted by reds4ever For the arrogant:

For those who can't type "kpa" into google...

	20-01-2005 00:32									#22
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quote: Originally posted by KrazyHorse For those who can't type "kpa" into google...

Just tried it, came up with http://www.kpa.se/, not very relevant

In fact the whole page of hits is pretty useless (except the bottom hit)

http://www.google.co.uk/search?hl=e...nG=Search&meta=

	20-01-2005 00:34									#23
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You should try speaking to the level of your audience. Not insult them. I should not have to google/webster/compton's/etc to figure out what you mean.

	20-01-2005 00:36									#24
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To survive on mars for a day I would:

1) Get a battery powered heater and warm clothes
2) Get a bunch of oxygen cylinders and a breathing mask
3) Get a bunch of thick (0.2 cm or so?) rubber or synthetic rubber material and build some sort of airtight tent big enough to hold me. You also need a valve to bleed off waste gases (otherwise the pressure would build up too much)
4) Hope like hell I'd sealed it properly

	20-01-2005 00:37									#25
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basically you'd be the bubble boy for a day...

	20-01-2005 00:38									#26
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The problem is not the temperature; if you go to Mars in summer on the equator, temperatures can go above 20C. It's the low pressure, and for that, you'd need a spacesuit.

	20-01-2005 00:38									#27
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quote: Originally posted by reds4ever Just tried it, came up with http://www.kpa.se/, not very relevant In fact the whole page of hits is pretty useless (except the bottom hit) http://www.google.co.uk/search?hl=e...nG=Search&meta=

then do "p" and "kpa" in the same search

Now you're cookin...

	20-01-2005 00:39									#28
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Okay can a person wear a flight pressure suit under his arctic gear?

	20-01-2005 00:41									#29
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quote: Originally posted by KrazyHorse then do "p" and "kpa" in the same search Now you're cookin...

Not reall the point though is it?

	20-01-2005 00:43									#30
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Yes. Most standard arctic gear relies on trapped pockets of air as insulation, however and would thus be of limited usefulness once exposed to Martian atmosphere. I would really recommend a battery heating unit inside the pressure suit itself to guarantee a survivable temperature be maintained.