The basic rules follow those provided here: https://www.tapatalk.com/groups/twelftyonline/on-designing-new-systems-t47.html

Getting density and velocity right in any given system provides more 'true to scale' units. But in place of a time unit, we select gravity as the additional base unit.

The measure \( v/g\) velocity/gravity = time, is chosen to keep gravity as unity, and the velocity as in the human range. This table gives the present common velocities, the velocity and the derived length as (velocity)^2 / gravity.

Although the units are small, the system does not produce large numbers. The length is shorter than the cm (of CGS), but the velocity is some 30 times faster.

The unit of time here is a day divided to 12^6. In the usual clock face, the clock is divided to 12 hours, of 144 minutes of 144 seconds, but this unit of time is 1/12 second, or an instant.

In the second table, we give the day divided into powers of 12, and the distance travelled at the speed of one kine, with names in the 'yard' style metric, and as common names.

One can have a foot-like unit, so a rod=3 yards, a foot = 300 my, an inch = 30 my, and a line = 3 my.

Although the metric system makes use of 'square length', the present system will use a comma-unit, making the acre = 1000 sq yards.

The acre is derived in the traditional English way, being a rectangle of width 4 rods, and a length of 40 rods (or a furlong). But a rod = 3 yards make these 10z yards wide and 100z long, or 1000 sq yards. A square yard is then a milliacre, a square mile is a kiloacre.

Volume refers to geometrically derived measure. In metric, this was the Stere, or solid measure for firewood, landfill, and irrigation water.

Capacity is poured measure: that is, what one derives against a graded vessel. The quantity can be measured by weight or by volume, the former practice with grains, fruit and coals, was by measure, but the advent of effective scales made weight the option. One sees the weight of a bushel of this or a bushel of that.

Liquid capacity is still by volume, it is easier to measure by flow or graded vessel than to weigh it. Note that aeroplane fuel is weighed.

The unit of capacity is taken as a cubic hand, or

Weight means measured that are compared by swinging on a balance. The ruling formula here is that of a torque balance: \(m_1 g_1 l_1 = m_2 g_2 l_2 \). Gravity needs to be present, but apart from the assumption \(g_1 = g_2\), it plays no further part in the weighing. The acts specify an equal arm balance, where \(l_1 = l_2\), but unequal arms can also be used.

The units of weights are derived in the first instance as a cube of water. This specifies that the

The original weights and measures specify currency, against the value attached to a weight of silver or gold. This was the order of the day well to the second world war.

Getting density and velocity right in any given system provides more 'true to scale' units. But in place of a time unit, we select gravity as the additional base unit.

The measure \( v/g\) velocity/gravity = time, is chosen to keep gravity as unity, and the velocity as in the human range. This table gives the present common velocities, the velocity and the derived length as (velocity)^2 / gravity.

Unit A | g / unit | Length (mm) |

m/s | 9.80665 | 101.971 |

mph | 21.936851 | 20.3784 |

knot | 19.050394 | 20.378494 |

ft/s | 32.174 | 9.4735022 |

KINE | 34.56 | 8.210568 |

kph | 35.303940 | 7.868155 |

The unit of time here is a day divided to 12^6. In the usual clock face, the clock is divided to 12 hours, of 144 minutes of 144 seconds, but this unit of time is 1/12 second, or an instant.

In the second table, we give the day divided into powers of 12, and the distance travelled at the speed of one kine, with names in the 'yard' style metric, and as common names.

day | 24 h | 24.516625 km | ||

hour | 2 h | kiloyard | mile | 2.043052 km |

10 min | hectoyard | furlong | 170.254340 m | |

minute | 50 s | 14.187861 m | ||

4.166 s | yard | yard | 1.1823218 m | |

second | 1/2.88 s | hand | 98.526817 mm | |

instant | 1/34.56 s | centiyard | corn | 8.210568 mm |

## Area

Although the metric system makes use of 'square length', the present system will use a comma-unit, making the acre = 1000 sq yards.

The acre is derived in the traditional English way, being a rectangle of width 4 rods, and a length of 40 rods (or a furlong). But a rod = 3 yards make these 10z yards wide and 100z long, or 1000 sq yards. A square yard is then a milliacre, a square mile is a kiloacre.

## Volume

Volume refers to geometrically derived measure. In metric, this was the Stere, or solid measure for firewood, landfill, and irrigation water.

## Capacity

Capacity is poured measure: that is, what one derives against a graded vessel. The quantity can be measured by weight or by volume, the former practice with grains, fruit and coals, was by measure, but the advent of effective scales made weight the option. One sees the weight of a bushel of this or a bushel of that.

Liquid capacity is still by volume, it is easier to measure by flow or graded vessel than to weigh it. Note that aeroplane fuel is weighed.

The unit of capacity is taken as a cubic hand, or

*Litre*.## Weight

Weight means measured that are compared by swinging on a balance. The ruling formula here is that of a torque balance: \(m_1 g_1 l_1 = m_2 g_2 l_2 \). Gravity needs to be present, but apart from the assumption \(g_1 = g_2\), it plays no further part in the weighing. The acts specify an equal arm balance, where \(l_1 = l_2\), but unequal arms can also be used.

The units of weights are derived in the first instance as a cube of water. This specifies that the

*specific gravity*of water is 1, or alternately the*density*of water is 1**spig**.## Currency

The original weights and measures specify currency, against the value attached to a weight of silver or gold. This was the order of the day well to the second world war.

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