Steve Jackson Games - Site Navigation
Home General Info Follow Us Search Illuminator Store Forums What's New Other Games Ogre GURPS Munchkin Our Games: Home

Go Back   Steve Jackson Games Forums > Roleplaying > GURPS

Reply
 
Thread Tools Display Modes
Old 12-06-2009, 01:47 AM   #21
The Benj
 
Join Date: Aug 2004
Location: Platform Zero, Sydney, Australia
Default Re: That wonderful stuff: Lava

Quote:
Originally Posted by Ragitsu View Post
I'm pretty sure that in a campaign where the GM allows you to walk across the lava by merit of your Kung-Fu training, issues like poison fumes and the wafting heat will be pretty much brushed aside :-P.
Not necessarily. If it's a setting where your abilities are unusual, you might not get a free pass on sensible concerns like that.
The Benj is offline   Reply With Quote
Old 12-06-2009, 11:46 AM   #22
Grouchy Chris
 
Grouchy Chris's Avatar
 
Join Date: Nov 2007
Location: The City of Subdued Excitement
Default Re: That wonderful stuff: Lava

Quote:
Originally Posted by Darekun View Post
Well, it's not like lava has a fixed temperature. So there's a wide range. I will be assigning numbers, on the principle that guessed numbers are better than none :J

Fresh from the interior, I'd guess 32d/sec burn damage from immersion. At these temperatures, even convection can't keep up, and you're probably looking at about 24d/sec burn damage from contact or being next to it. Maybe -1d/sec per hex, in open air.
I think you're overestimating the damage from being near to lava by quite a bit. Lava erupts at 700 C to 1200 C, per Wikipedia. Iron has a melting point of 1538 C, much hotter. And here is a picture of a man pouring molten iron.

http://www.gettyimages.com/detail/816153-001/Stone\

He's got bare forearms and a bare face, except for his goggles, and I'd say he's about five feet from the pour.

Quote:
A lava flow, hot enough to still be flowing but with a crust of solid black rock, I'd guess 10d/sec from immersion, 8d/sec from contact, 5d/sec from being next to it. Also -1d/sec per hex, so you can stand a few yards away and not take damage.
Above, I linked to an account of a tourist who walks up to a lava flow of the partially crusted variety and fishes out lava rocks with a stick. He says he got his beard burnt off, but he obviously didn't take 5d of damage, nor did the stick take 10d from being immersed in the lava, which would have been sufficient to destroy it.

The basic set gives 3d/second for contact with molten metal (p. 433).

Last edited by Grouchy Chris; 12-06-2009 at 04:02 PM. Reason: typo
Grouchy Chris is offline   Reply With Quote
Old 12-06-2009, 12:05 PM   #23
Flyndaran
Untagged
 
Join Date: Oct 2004
Location: Beaverton, Oregon
Default Re: That wonderful stuff: Lava

Air is a wonderful insulator and sucky means of heat transfer.
Boiling with 212 degrees water is MUCH faster than static baking heat of 450 degrees.
Also, humans are evolved to get rid of heat much better than most animals. I believe military studies showed that people can withstand baking temperatures for longer than it takes to cook a steak.. as long as plenty of water was drunk.
Flyndaran is offline   Reply With Quote
Reply

Tags
damage, fumes, gurps, lava, toxic

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Fnords are Off
[IMG] code is Off
HTML code is Off

Forum Jump


All times are GMT -6. The time now is 10:20 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2017, vBulletin Solutions, Inc.