T5=0131 The Ton.pdf

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The Ton
The fundamental unit of volume for cargos and freight and for ship
construction is the
ton:
a measure of volume in the same way that a
displacement ton measures volume on ocean-going ships.
The Ton
The ton is a standard unit of volume commonly used throughout the Imperium. It has applications in starship design, in cargo
and freight measurement, and in size designations.
In classic shipbuilding, a ton is the volume of 1000 kilograms of water. A ship with a displacement of 1 ton afloat in water
displaces one ton of water.
THE BASIS OF THE TON
A ton is the volume of 1000
kilograms of liquid hydrogen, and is
approximately equal to 13.5 cubic
meters. While a cube of this volume is
approximately 2.4 meters on a size, the
ton is more typically shown as a
rectangular volume 3 meters high, 3
meters long, and 1.5 meters wide.
Subunits of the Ton.
There are
instances when volumes less than a
ton are more conveniently used (when
discussing objects, vehicles, or small
craft, for example, and expressing
volume in decimal tons is inartful).
SUBUNITS OF THE TON
Unit
Tons
Comment
Ton
1.00
Standard Ton
Ton*
1.037
Regency Ton
Square
0.5
half-ton
Cube
0.25
quarter-ton
Roup
0.10
tenth-ton
Lan
0.01
hundredth ton
Emthree*
0.075
cubic meters
Cyard*
0.05
cubic yard
Cuft*
0.002
cubic foot
Liter
0.00007
Kiloliter
0.075
*Archaic or little used.
For example, the smallest available
G-Drive is 0.25 tons. It is commonly
labeled as a 1-cube drive. A quarter-ton
Cube is typically 1.5 meters on a side.
The fusion plant for a grav tank is 0.4
tons. It is commonly labeled a 4-Roup
fusion plant, or more rarely a 40-Lan
fusion plant. A tenth-ton Roup is a cube
slightly more than a meter (1.1 meters)
on a side.
A person (a human) probably has a
volume of a half-Lan. A hundredth-ton
Lan is typically a cube about a half
meter (0.502 meters) on a side.
Or, a ton is about 13,500 liters, a Lan
is 135 liters. A half-Lan person has a
volume (135 /2 ) = 68 liters. Since a
person is mostly water, the weight of a
person and 68 liters should be roughly
equivalent. A liter of water is 1
kilogram. A half-Lan person should be
about 68 kilos = 150 pounds. QED.
TON EQUIVALENTS
Units
Cubic Feet
Cubic Yards
Kiloliters
Cubic Meters
TON DENSITIES
Tons
Material
1
Liquid Hydrogen
1
1
1
1
1
1
1
Wood
Plastic
Water
Magnesium
Aluminum
Titanium
Steel
Per Ton
500
18
13.5
13.5
kg
1,000
6,750
12,000
13,500
25,000
35,000
60,000
100,000
13.5
2
4
1
Cubic Meters
Std Grid Squares
Short Grid Squares
Tall Grid Squares
A three-ton cargo pod measuring 3
meters wide by 3 meters high by 4.5
meters long.
For scale comparison, a half-Lan
person (actually closer to a Lan with the
vacc suit).
Tightly packed, that cargo container
could hold 300 vacc suits or 600 human
bodies.
A six-ton small craft showing 1.5
meter deck squares.
THE REGENCY TON
The values used for the ton in
Traveller: The New Era
varied slightly
from traditional values. Historians call
this value the Regency Ton.
One Ton= 14 cubic meters.
Deck Square= 2 meters by 2 meters
Deck Height= 3.5 meters.
Dimensions= 2m x 2m x 3.5 m
1
The Ton
1

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