The Gaming Den

Hicks · Last edited by Hicks on Tue Aug 21, 2012 6:50 am; edited 2 times in total

So, this is a naked effort to crowd source data for the development of a TTRPG physics engine, discussed previously here. The table is in metric, and all degrees are in Kelvin. If you have what you believe to be an accurate data point, I'll add it to this master table. Any help provided is greatly appreciated.

Material	Specific Gravity	Specific Heat	Melting Point	Boiling Point	Ignition Point	Flash Point
Air	0.001225	1.0035
Alcohol	0.789	2.44
Amber	1.10	1.7
Bone	1.95	0.44
Brimstone	2.0	0.732
Bronze	7.96	0.435
Chalk	2.5	0.9
Charcoal	0.21	1.0
Clay	1.6	0.92
Coal	1.35	1.38
Copper	8.75	0.38
Cotton	0.48	0.39
Diamond	3.52	0.52
Dirt	1.7	1.1
Emerald	2.71	0.84
Fat	0.84	1.67
Fur	1.27	1.38
Glass	2.5	0.84
Gold	19.3	0.13
Graphite	2.2	0.71
Hemp	1.5	1.7
Iron	7.894	0.45
Jade	3.33
Lead	11.35	0.13
Leather	0.9	1.5
Meat	1.05
Mercury	13.546	0.14
Niter	2.1
Obsidian	2.4
Oil	0.9
Paper	1.2	1.336
Pearl	2.71
Pitch	1.08	1.47
Quartz	2.72	0.8
Ruby	4.01		2334
Salt	2.2	0.92
Sand	2.6	0.8
Sapphire	4.0
Silk	1.36	1.38
Silver	10.5	0.23
Stone	2.5	0.84
Straw	0.25
Sugar	0.684
Syrup	1.33
Terracotta	2.7	1.09
Tin	7.28	0.21
Water	1.0	4.1813
Wax	0.88	3.34
Wood	0.626	2.5
Wool	1.31	1.26

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Lokathor · Duke Joined: 01 Nov 2009 Posts: 1142 Location: Boise, ID

You can't put "stone" on a chart like that, because some stones have a much larger melting point than other stones. You should probably pick a few common types of stone; just splitting it into "Stone (Weak)" and "Stone (Strong)" would be a minimal workload.

In dwarf fortress they recently crowdsourced this same thing http://www.bay12forums.com/smf/index.php?topic=80022.0 for all kinds of woods and stones.
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Cynic · Duke Joined: 07 Mar 2008 Posts: 2454

This topic reminds me of Neal Stephenson's "Cryptonomicon" and the detail the characters put into researching the nitty gritty of the role playing world they were playing in.
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Archmage · Knight-Baron Joined: 16 Sep 2009 Posts: 672

What the fuck? You're writing a game, not a physics textbook. Group objects into categories and then assign levels of effect to stuff that you can do to them, i.e., a level 3 fire melts THIS but you need level 4 fire to melt THAT. Or something. Anything but a table that includes specific gravities.
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violence in the media · Duke Joined: 06 Jan 2009 Posts: 1415

I could see it being useful as a reference. It's not like players are never going to ask how heavy the dwarf statue or golden idol is for purposes of carting it off.

JigokuBosatsu · Posted: Fri Jul 06, 2012 2:33 pm Post subject:

Down this road lies FATAL.
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hogarth · Prince Joined: 27 May 2009 Posts: 3520 Location: Toronto