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Higher accuracy measurement can be achieved with longer belts, by chaining multiple belts in a straight line. |
Higher accuracy measurement can be achieved with longer belts, by chaining multiple belts in a straight line. |
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| − | === Production/Consumption Time === |
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| − | Production or consumption time is the inverse unit to item rates. Where item rates are measured in items/min, production or consumption time is measured in seconds per item. This can be shortened to sec/item or often just stated as sec (with an implied "per item"). Seconds can also be referred to as simply "s" as well, though sec would be preferred for clarity. This can be calculated from a stated item/min rate by dividing 60 by the rate. |
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| − | '''Example:''' |
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| − | A constructor producing iron rods operating at 100% produced 15 items/min. By dividing 60 by 15 one can determine that iron rods require '''4 sec''' to produce. |
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=== Energy === |
=== Energy === |
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Revision as of 15:55, 12 October 2020
This page covers various measurement units and derived units used in Satisfactory.
This page is also a proposal during wiki population for a standardized set of units to use on pages. Please use the talk page to discuss if different units exist.
Base Units
Time
The base unit of time is second, or s. 60 seconds is 1 minute, 60 minutes is 1 hour, obviously.
1 day in satisfactory is 25 minutes.
Item flow rate
Item transportation, production or consumption rate is measured in items per min (item/min or ipm). You can convert it to item per sec by dividing it by 60.
Fluid volume
The volume of Fluids is measured in cubic meters, m3.
Fluid flow rate
The flow rate of Fluids is measured in cubic meters per minute, m3/min. Some buildings even indicates its direction, with positive value showing inflow and negative value for drainage.
Head lift
Head lift is measured in meter. It indicates how high a fluid can be pushed up.
Speed
The vehicle speed is measured in kilometers per hour, km/h or kph. You can convert it into meter/sec by dividing it by 3.6.
Power
Power, or rate of energy flow is measured in Megawatts, or MW, which is equal to 1,000,000 Watts. This unit is used to measure either building's power production or consumption, as well as equipment or vehicle's fuel burning rate.
Larger amount of power can be displayed with other prefixes, such as 1,000MW = 1GW, and 1TW = 1,000GW = 1,000,000MW.
Derived Units
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This article may need cleanup to meet quality standards.
Please help improve this if you can. The Discussion page may contain suggestions. |
Please help improve this if you can. The Discussion page may contain suggestions.
Reason: "Contexts below this line can possibly be shortened and simplified to deliver key ideas straight to the points to all kind of readers"
Belt speed
Not to be confused with belt throughput, or item flow rate (see above).
To measure belt speed, build a 48-meters long straight belt (8 Foundations) and measure the time taken to bring you from one end to the other. Divide the distance (48 m) by the time and you got the speed in meter per second, m/s. You can convert it into km/h by multiply it with 3.6.
Higher accuracy measurement can be achieved with longer belts, by chaining multiple belts in a straight line.
Energy
Energy, both in the production of power and production of items can be measured in megajoules per item or MJ/item for short. The energy of one item may also be referred to simply as megajoules. As mentioned before, a watt is one joule/second and so a joule is equivalent to one watt-second (one watt consumed for one second). A megajoule is equal to 1,000,000 watt-seconds.
Power Production
On the power production side of the equation, a fuel will have an energy rating. This can be considered the specific energy of an item in Satisfactory. Where real-world specific energy would be measured in joules per unit mass, in this case, the unit mass is "1 item". This is not stated in-game but can be derived from known information.
Example: A single item of Coal in a 75MW Coal Generator can burn for 4 sec. That means each coal has a fuel value of 75 * 4 MJ = 300 MJ.
Example 2: A single item of Coal last for 4 sec. A Miner Mk.2 on a Pure Coal Node outputs item at 240/min, or 4/sec. Multiply both together, 4 sec * 4/sec = 16
In this case, a Miner Mk.2 can supply just enough coal to 16 Coal Generators.
- Continue reading: Fuels (for energy values of each)
Item Production
When it comes to power consumption, each item output from a building will have an amount of energy associated with it. The lower the amount of energy per item produced, the more efficient the building. This energy per item produced can be derived by taking the power consumption of the building and multiplying it by the production time for the item.
Example: A constructor producing iron rods operating at 100% produces a rod in 4 seconds. The building requires 4 MW to operate. This means that the iron rod requires 4 * 4 or 16 MJ to produce.
Energy Efficiency
As hinted at in the item production section, the energy required to craft one item is a valuable unit for comparing energy efficiency. The clock speed page describes the calculations for how much power a building requires.
(Power required multiplier) = (Clock speed / 100)1.6
One can further derive from this formula the energy required for each item for a given clock rate.
(base seconds/item * 100 / clock speed) * power consumption * (clock speed / 100)1.6
The components are expanded out...
base seconds/item * 1001 * clock speed−1 * power consumption * clock speed1.6 * 100-1.6
The clock speed exponents are combined...
base seconds/item * 1001 * 100-1.6 * power consumption * clock speed0.6
The constants are combined...
base seconds/item * power consumption * (clock speed/100)0.6
The resulting formula...
power consumption * base seconds/item * (clock speed/100)0.6
Substituting in energy in place of MW * sec...
base energy/item / (clock speed/100)0.6
Example: Using the above, a constructor making iron rods at 100% requires 16 MJ/item. If one were to overclock to 200%, plugging in the above formula with 16 MJ/item as a base and a clock speed of 200% you get
16 MJ/item * 20.6
16 MJ/item * 1.51
The result is that at 200% overclock, each iron rod will require 24.25 MJ of energy.
Note: if the new production time of an item and the new power consumption of a building are already calculated, it is easier to then calculate the new energy per item by multiplying the two together.
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