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Message no. 1
From: Tzeentch tzeentch666@*********.net
Subject: Ground Pressure based on Revised Weights in TSS#9
Date: Fri, 28 Apr 2000 19:46:04 -0700
BASELINE: Average Male Human foot being 11 x 3 inches.
SQUARE INCHES: Since your foot is not a perfect rectangle I swagged the
amount to get a representative number.
SHOES: The values assume you are wearing shoes. Since shoes tend to have
slightly larger contact areas then your bare feet the PSI will be slightly
higher if you are barefoot. But if you care about that you can figure the
size of your characters feet yourself ;)
EXTRAPOLATION: Since as a general rule foot length is based on height I used
that to determine the average foot size of the various metahuman races and
sexes. To figure out the FMulti (or Foot Multiplier) divide your characters
height in inches by 67. You then use that value to multiply the average
length and width of a foot to get your values. Swag the values a bit (they
will be lower), multiply by 2 and then divide your weight in pounds to get
approximate PSI.
BIG RACES: Note that in all likelyhood I have overestimated the foot size of
the smaller metahumans and underestimated that of the larger ones. But until
trolls and dwarves pop up the listed values should suffice for any wierd
reason you need ground pressures.

All of the entries are as follows:

Race Name
Average Height in Inches
Average Weight in Pounds
Foot Multiplier: Multiplier; Length x Width of foot. Estimated sq inches
of area per foot. Swagged reduction to account for less area.
PSI: Estimated ounds per square inch


Cyclops
122 in (10'2")
1,572 lbs
FMulti: 1.82; 20 x 5.5 inches. 110sq inches/foot. Revise to 100.
PSI: 7.9

Dryads
47 in (3'11")
38 lbs
FMulti: 0.69; 7.6 x 2.0 inches. 15.7 sq inches/foot. Revise to 14.
PSI: 1.4

Dwarves
47 in (3'11")
98 lbs
FMulti: 0.69; 7.6 x 2.0 inches. 15.7 sq inches/foot. Revise to 14.
PSI: 3.5

Elves, female
69 in (5'9")
134 lbs
FMulti: 1.03; 11.22 x 3.1 inches. 34.78 sq inches/foot. Revise to 33.
PSI: 2.0

Elves, male
75 in (6'3")
172 lbs
FMulti: 1.12; 12.32 x 3.4 inches. 41.89 sq inches/foot. Revise to 36.
PSI: 2.4

Fomori
110 in (9'2")
965 lbs
FMulti: 1.64; 18.04 x 4.9 inches. 88.39 sq inches/foot. Revise to 79.
PSI: 6.1

Giants, female
127 in (10'7")
1,678 lbs
FMulti: 1.9; 20.9 x 5.7 inches. 119.13 sq inches/foot. Revise to 104.
PSI: 8.1

Giants, male
138 in (11'6")
2,155 lbs
FMulti: 2.06; 22.7 x 6.2 inches. 140.74 sq inches/foot. Revise to 136.
PSI: 7.9

Gnomes
43 in (3'7")
50 lbs
FMulti: 0.64; 7 x 1.9 inches. 13.3 sq inches/foot. Revise to 11.
PSI: 2.3

Hobgoblins, female
68 in (5'8")
202 lbs
FMulti: 1.01; 11.1 x 3 inches.33.3 sq inches/foot. Revise to 30.
PSI: 3.4

Hobgoblins, male
71 in (5'11")
227 lbs
FMulti: 1.06; 11.7 x 3.2 inches. 37.44 sq inches/foot. Revise to 35.
PSI: 3.2

Humans, female
61 in (5'1")
120 lbs
FMulti:0.91; 10 x 2.7 inches. 27 sq inches/foot. Revise to 24.
PSI: 2.5

Humans, male
67 in (5'7")
154 lbs
FMulti: 1.0; 11 x 3 inches. 33 sq inches/foot. Revise to 30.
PSI: 2.6

Koborokuru
43 in (3'7")
75 lbs
FMulti: 0.64; 7 x 1.9 inches. 13.3 sq inches/foot. Revise to 10.
PSI: 3.8

Menehune
43 in (3'7")
67 lbs
FMulti: 0.64; 7 x 1.9 inches. 13.3 sq inches/foot. Revise to 10.
PSI: 3.4

Minotaurs
91 in (7'7")
612 lbs
FMulti: 1.36; 15 x 4 inches. 60 sq inches/foot. Revise to 55.
PSI: 5.6

Night Ones, female
69 in (5'9")
134 lbs
FMulti: 1.02; 11.2 x 3 inches. 33.6 sq inches/foot. Revise to 32.
PSI: 2.1

Night Ones, male
75 in (6'3")
172 lbs
FMulti: 1.12; 12.3 x 3.4 inches. 41.82 sq inches/foot. Revise to 36.
PSI: 2.4

Ogres, female
64 in (5'4")
231 lbs
FMulti: 0.96; 10.6 x 2.9 inches. 30.74 sq inches/foot. Revise to 25.
PSI: 4.6

Ogres, male
67 in (5'7")
262 lbs
FMulti: 1.0; 11 x 3 inches. 33 sq inches/foot. Revise to 30.
PSI: 4.4

Oni, female
72 in (6'0")
243 lbs
FMulti: 1.07; 11.8 x 3.2 inches. 37.76 sq inches/foot. Revise to 35.
PSI: 3.5

Oni, male
75 in (6'3")
278 lbs
FMulti: 1.1; 12.1 x 3.3 inches. 39.93 sq inches/foot. Revise to 36.
PSI: 3.9

Orks, female
72 in (6'0")
243 lbs
FMulti: 1.07; 11.8 x 3.2 inches. 37.76 sq inches/foot. Revise to 35.
PSI: 3.5

Orks, male
75 in (6'3")
278 lbs
FMulti: 1.1; 12.1 x 3.3 inches. 39.93 sq inches/foot. Revise to 36.
PSI: 3.9

Satyrs
63 in (5'3")
165 lbs
FMulti: 0.94; 10.3 x 2.8 inches. 28.84 sq inches/foot. Revise to 24.
PSI: 3.4

Trolls
110 in (9'2")
1,083 lbs
FMulti: 1.64; 18.04 x 4.9 inches. 88.39 sq inches/foot. Revise to 79.
PSI: 6.9

Wakyambi, female
102 in (8'6")
403 lbs
FMulti: 1.5; 16.5 x 4.5 inches. 74.25 sq inches/foot. Revise to 71.
PSI: 2.8

Wakyambi, male
110 in (9'2")
517 lbs
FMulti: 1.64; 18.04 x 4.9 inches. 88.39 sq inches/foot. Revise to 79.
PSI: 3.3


Ken
---------------------------
There's a war out there, old friend, a world war. And it's not about who's
got the most bullets, it's about who controls the information. What we see
and hear, how we work, what we think, it's all about the information!
Cosmo, 'Sneakers'

Further Reading

If you enjoyed reading about Ground Pressure based on Revised Weights in TSS#9, you may also be interested in:

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These messages were posted a long time ago on a mailing list far, far away. The copyright to their contents probably lies with the original authors of the individual messages, but since they were published in an electronic forum that anyone could subscribe to, and the logs were available to subscribers and most likely non-subscribers as well, it's felt that re-publishing them here is a kind of public service.