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	<id>https://wiki.factorio.com/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Robhol</id>
	<title>Official Factorio Wiki - User contributions [en]</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.factorio.com/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Robhol"/>
	<link rel="alternate" type="text/html" href="https://wiki.factorio.com/Special:Contributions/Robhol"/>
	<updated>2026-04-24T19:05:11Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://wiki.factorio.com/index.php?title=Lamp&amp;diff=109071</id>
		<title>Lamp</title>
		<link rel="alternate" type="text/html" href="https://wiki.factorio.com/index.php?title=Lamp&amp;diff=109071"/>
		<updated>2014-05-14T16:38:00Z</updated>

		<summary type="html">&lt;p&gt;Robhol: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:lamp-example-1.png|thumb|256px]]&lt;br /&gt;
The lamp is a basic electric device providing brightness in a small area at night.&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
| &#039;&#039;&#039;Recipe:&#039;&#039;&#039; || {{icon|iron-plate|1|Iron plate}} + {{icon|iron-stick|3|Iron stick}} + {{icon|electronic-circuit|1|Electronic circuit}} + {{icon|time icon|1|time}} =&amp;gt; {{icon|lamp|1|Lamp}}&lt;br /&gt;
|-&lt;br /&gt;
| &#039;&#039;&#039;Total raw:&#039;&#039;&#039; || {{icon|iron-plate|3.5|Iron plate}} {{icon|copper-plate|1.5|Copper plate}}&lt;br /&gt;
|-&lt;br /&gt;
| &#039;&#039;&#039;Max power:&#039;&#039;&#039; || 5 kW ([[Electric network|electric]])&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[Electric network]]&lt;br /&gt;
&lt;br /&gt;
[[Category: Items]] [[Category: Electric network]]&lt;/div&gt;</summary>
		<author><name>Robhol</name></author>
	</entry>
	<entry>
		<id>https://wiki.factorio.com/index.php?title=Units&amp;diff=109051</id>
		<title>Units</title>
		<link rel="alternate" type="text/html" href="https://wiki.factorio.com/index.php?title=Units&amp;diff=109051"/>
		<updated>2014-05-14T16:07:05Z</updated>

		<summary type="html">&lt;p&gt;Robhol: Used old data for lamps example, fixed&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The following units are important in Factorio.&lt;br /&gt;
&lt;br /&gt;
== Power ==&lt;br /&gt;
Power is defined as work being done per unit of time.&lt;br /&gt;
&lt;br /&gt;
=== Watt (W) ===&lt;br /&gt;
The basic unit of power is 1 watt (W), which is defined as &#039;&#039;&#039;1W = 1J / 1s&#039;&#039;&#039;, ie. one Joule of work being done every second.&lt;br /&gt;
&lt;br /&gt;
The game commonly deals with larger units, namely kilowatts (kW) and megawatts (MW).&lt;br /&gt;
&lt;br /&gt;
[[Lamp|Lamps]] use 5kW while turned on. A [[Radar]] uses 300kW while active - equivalent to 60 lamps. &lt;br /&gt;
One [[Steam engine]] is capable of outputting 510W.&lt;br /&gt;
&lt;br /&gt;
== Work ==&lt;br /&gt;
&lt;br /&gt;
Work is defined as a transfer of energy, or as energy being &amp;quot;spent&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
=== Joule (J) ===&lt;br /&gt;
The basic unit of work is 1 joule (J), and represents the work being done (total energy transferred) by a power of one watt applied for one second: &#039;&#039;&#039;1J = 1W * 1s&#039;&#039;&#039;.&lt;br /&gt;
&lt;br /&gt;
In-game, every piece of [[coal]] burned will produce 8kJ. One [[Accumulator]] is capable of storing 5MJ.&lt;br /&gt;
&lt;br /&gt;
== Time ==&lt;br /&gt;
&lt;br /&gt;
=== Second (s) ===&lt;br /&gt;
One second in-game. This is not guaranteed to correspond to one real second. For example, slow computers may not manage to calculate an entire [[Game-tick|tick]] during the corresponding real time frame of 1/60th of a second.&lt;br /&gt;
&lt;br /&gt;
== Distance ==&lt;br /&gt;
&lt;br /&gt;
=== Tile ===&lt;br /&gt;
The tile is both used as a unit of distance/length and a unit of area. For example, the size of an object may be expressed as &amp;quot;2x2 tiles&amp;quot;, which means the object covers an area of 4 square tiles or tiles². The &lt;br /&gt;
unit of square tiles is often simplified into tiles.&lt;br /&gt;
&lt;br /&gt;
=== Chunk ===&lt;br /&gt;
A chunk is a quadratic area where one side is 32 tiles long. (1024 square tiles)&lt;/div&gt;</summary>
		<author><name>Robhol</name></author>
	</entry>
	<entry>
		<id>https://wiki.factorio.com/index.php?title=Units&amp;diff=109039</id>
		<title>Units</title>
		<link rel="alternate" type="text/html" href="https://wiki.factorio.com/index.php?title=Units&amp;diff=109039"/>
		<updated>2014-05-14T15:25:54Z</updated>

		<summary type="html">&lt;p&gt;Robhol: Rewrote page&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The following units are important in Factorio.&lt;br /&gt;
&lt;br /&gt;
== Power ==&lt;br /&gt;
Power is defined as work being done per unit of time.&lt;br /&gt;
&lt;br /&gt;
=== Watt (W) ===&lt;br /&gt;
The basic unit of power is 1 watt (W), which is defined as &#039;&#039;&#039;1W = 1J / 1s&#039;&#039;&#039;, ie. one Joule of work being done every second.&lt;br /&gt;
&lt;br /&gt;
The game commonly deals with larger units, namely kilowatts (kW) and megawatts (MW).&lt;br /&gt;
&lt;br /&gt;
[[Lamp|Lamps]] use 12W while turned on. A [[Radar]] uses 300kW while active - equivalent to 25 000 lamps. &lt;br /&gt;
One [[Steam engine]] is capable of outputting 510W.&lt;br /&gt;
&lt;br /&gt;
== Work ==&lt;br /&gt;
&lt;br /&gt;
Work is defined as a transfer of energy, or as energy being &amp;quot;spent&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
=== Joule (J) ===&lt;br /&gt;
The basic unit of work is 1 joule (J), and represents the work being done (total energy transferred) by a power of one watt applied for one second: &#039;&#039;&#039;1J = 1W * 1s&#039;&#039;&#039;.&lt;br /&gt;
&lt;br /&gt;
In-game, every piece of [[coal]] burned will produce 8kJ. One [[Accumulator]] is capable of storing 5MJ.&lt;br /&gt;
&lt;br /&gt;
== Time ==&lt;br /&gt;
&lt;br /&gt;
=== Second (s) ===&lt;br /&gt;
One second in-game. This is not guaranteed to correspond to one real second. For example, slow computers may not manage to calculate an entire [[Game-tick|tick]] during the corresponding real time frame of 1/60th of a second.&lt;br /&gt;
&lt;br /&gt;
== Distance ==&lt;br /&gt;
&lt;br /&gt;
=== Tile ===&lt;br /&gt;
The tile is both used as a unit of distance/length and a unit of area. For example, the size of an object may be expressed as &amp;quot;2x2 tiles&amp;quot;, which means the object covers an area of 4 square tiles or tiles². The &lt;br /&gt;
unit of square tiles is often simplified into tiles.&lt;br /&gt;
&lt;br /&gt;
=== Chunk ===&lt;br /&gt;
A chunk is a quadratic area where one side is 32 tiles long. (1024 square tiles)&lt;/div&gt;</summary>
		<author><name>Robhol</name></author>
	</entry>
	<entry>
		<id>https://wiki.factorio.com/index.php?title=Radar&amp;diff=109029</id>
		<title>Radar</title>
		<link rel="alternate" type="text/html" href="https://wiki.factorio.com/index.php?title=Radar&amp;diff=109029"/>
		<updated>2014-05-14T14:24:44Z</updated>

		<summary type="html">&lt;p&gt;Robhol: kW, not Kw&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The radar is used to continually scan sectors. It is has a high [[Electric network|power]] demand and is a priority target of [[Enemies]]. It keeps a small area (7x7 chunks, ca. 221x221 tiles &amp;lt;ref&amp;gt;based by the central tile of radar structur chunk is in. This value is confirmed for 0.9.x &amp;lt;/ref&amp;gt; ) updated about all enemy movements.&lt;br /&gt;
&lt;br /&gt;
Radar explores one unexplored [[chunk]] when the sector scanning progress finishes up to distance of 14 chunks. It slowly discovers a large area of the map. In other words: As long as you provide the radar with enough energy, it reveals a [[chunk]] every (???) seconds.&lt;br /&gt;
&lt;br /&gt;
See also [http://www.factorioforums.com/forum/viewtopic.php?f=5&amp;amp;t=3362 long term radar behavior].&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
| &#039;&#039;&#039;Recipe:&#039;&#039;&#039; || {{icon|iron-plate|10|Iron plate}} + {{icon|iron-gear-wheel|5|Iron gear wheel}} + {{icon|electronic-circuit|5|Electronic circuit}} + {{icon|time icon|1|time}} =&amp;gt; {{icon|radar|1|Radar}}&lt;br /&gt;
|-&lt;br /&gt;
| &#039;&#039;&#039;Total raw:&#039;&#039;&#039; || {{icon|iron-plate|25|Iron plate}} {{icon|copper-plate|7.5|Copper plate}}&lt;br /&gt;
|-&lt;br /&gt;
| &#039;&#039;&#039;Max power:&#039;&#039;&#039; || 300 kW ([[Electric network|electric]])&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[Electric network]]&lt;br /&gt;
* [[Enemies]]&lt;br /&gt;
&lt;br /&gt;
== Notes ==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category: Items]] [[Category: Electric network]] [[Category: Weapons]]&lt;/div&gt;</summary>
		<author><name>Robhol</name></author>
	</entry>
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