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Caelius West (talk | contribs) updated residue, mining crystal section. clarified use of "mining yield" removed anecdotal experience sections |
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'''Mining yield''' is the rate at which miners mine [[Asteroids and ore|ore]], [[Ice harvesting|ice]], or [[Gas cloud harvesting|gas]]. As all mining modules mine a certain ''volume'' of ore/ice/gas in a given time, the amount of ore/ice/gas mined therefore depends on this mining rate (often quoted in | '''Mining yield''' is the rate at which miners mine [[Asteroids and ore|ore]], [[Ice harvesting|ice]], or [[Gas cloud harvesting|gas]]. As all mining modules mine a certain ''volume'' of ore/ice/gas in a given time, the amount of ore/ice/gas mined therefore depends on this mining rate (often quoted in {{m3|ns}} per minute) and on the volume of the ore/ice/gas ({{m3|ns}}) being mined. | ||
A note on word | A note on word usage—the term "mining yield" here refers to the above definition. However, if a ship such as the [[Venture]] is shown to have a percentage bonus to mining yield, this bonus only affects ore mining. | ||
== Mineable materials == | == Mineable materials == | ||
=== Ore === | === Ore === | ||
{{main|Asteroids and ore}} | {{main|Asteroids and ore}} | ||
There are sixteen types of ore in New Eden (each with two further subtypes, but which are functionally identical to their parent ore), and, as a general rule, the rarer the ore, the higher its volume. So Veldspar (the most common type of ore) has a volume of 0.1 | There are sixteen types of ore in New Eden (each with two further subtypes, but which are functionally identical to their parent ore), and, as a general rule, the rarer the ore, the higher its volume. So Veldspar (the most common type of ore) has a volume of 0.1{{m3}}</sup> per unit, while Scordite (the second most common type or ore) has a volume of 0.15{{m3}} per unit. Therefore, a miner can mine 50% more Veldspar than Scordite in any given period of time. Rarer ores have ever higher volumes (up to 40{{m3}} for Mercoxit, the rarest ore type). Ore mining modules (mining lasers and strip miners) mine between 40 and 180{{m3}} of ore per minute by default; improving ore mining efficiency therefore involves increasing this mining rate. | ||
{{example|1=For example: a beginning miner fits her [[Venture]] with two Miner I modules, giving her a total yield of (say) 200 | {{example|1=For example: a beginning miner fits her [[Venture]] with two Miner I modules, giving her a total yield of (say) 200{{m3}}/min with a cycle time of 60 seconds. She flies to the nearest asteroid field, and begins mining Veldspar (0.1{{m3}} per unit). After every cycle of 60 seconds, her Miner Is will deposit <span style="white-space:nowrap;">200 / 0.1 = 2000 units</span> of Veldspar in her mining hold. | ||
After a few weeks of mining and training skills, she upgrades to a [[Retriever]] with two Strip Miner I modules, giving her a total yield of (say) 800 | After a few weeks of mining and training skills, she upgrades to a [[Retriever]] with two Strip Miner I modules, giving her a total yield of (say) 800{{m3}}/min. Since Strip Miner Is have a cycle time of 180 seconds (3 minutes), they will mine <span style="white-space:nowrap;">800 * (180/60) = 2400{{m3}} of ore</span> per cycle. If she uses her Retriever to mine Veldspar, her Strip Miners will deposit <span style="white-space:nowrap;">2400 / 0.1 = 24,000 units</span> of Veldspar in her mining hold every 3 minutes. If (tired of mining Veldspar all day) she switches to mining Omber (0.6{{m3}} per unit) with her Retriever, she will mine <span style="white-space:nowrap;">2400 / 0.6 = 4000 units</span> of Omber every three minutes instead.}} | ||
You can check the volume of the ore you're interested in through the in-game "Show Info" window. <!-- screenshot of "show info" for ore") --> | You can check the volume of the ore you're interested in through the in-game "Show Info" window. <!-- screenshot of "show info" for ore") --> | ||
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=== Ice === | === Ice === | ||
{{main|Ice harvesting}} | {{main|Ice harvesting}} | ||
There are twelve different types of ice in New Eden, but unlike ore, all types of ice have a volume of 1000 | There are twelve different types of ice in New Eden, but unlike ore, all types of ice have a volume of 1000{{m3}} per unit—and all ice harvesting modules mine 1000{{m3}} (i.e. one unit of ice) per cycle. Therefore, increasing ice harvesting efficiency involves reducing the cycle duration (which, by default, is around five minutes) of ice harvesting modules, in order to harvest more ice in a given period of time. | ||
=== Gas === | === Gas === | ||
{{main|Gas cloud harvesting}} | {{main|Gas cloud harvesting}} | ||
There are 25 different types of harvestable gas in New Eden, grouped into three categories. Mykoserocin and cytoserocin gases (found in [[System security#Known space|known space]]) all have a volume of 10 | There are 25 different types of harvestable gas in New Eden, grouped into three categories. Mykoserocin and cytoserocin gases (found in [[System security#Known space|known space]]) all have a volume of 10{{m3}}, while fullerite gases (found in [[System security#Wormhole Space|wormhole space]]) have volumes varying between 1 and 10{{m3}}. Like ore miners, gas harvesting modules gather a certain volume of gas per second (around 20–30{{m3}}/min by default), improving gas harvesting efficiency therefore involves increasing this rate. | ||
=== Residue === | === Residue === | ||
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* Example 2: A node has 100 units, you mined 10 with 10 residue the node now has 80 units available. | * Example 2: A node has 100 units, you mined 10 with 10 residue the node now has 80 units available. | ||
It does not affect your amount per cycle, it just affects the overall amount of units the node has which in turn affect the overall value of that node with the more residue you have. This means that if a T2 mining module is used, it may clear sites faster, but you will not get the full amount of | It does not affect your amount per cycle, it just affects the overall amount of units the node has which in turn affect the overall value of that node with the more residue you have. This means that if a T2 mining module is used, it may clear sites faster, but you will not get the full amount of ISK possible from the site. Faction mining modules do not generate residue, but cost a greatly increased price. | ||
== Improving mining yield == | == Improving mining yield == | ||
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=== Skills === | === Skills === | ||
:''See also: [[Mining#Skills|Mining skills]]'' | :''See also: [[Mining#Skills|Mining skills]]'' | ||
{{sk|Mining|icon=yes}} and {{sk|Astrogeology|icon=yes}} both give a +5% bonus to ore mining yield per skill level, while {{sk|Ice Harvesting|icon=yes}} reduces the cycle time of ice mining lasers and ice harvesters by 5% per skill level. Additionally, all the mining ships gain bonuses from their respective [[Skills:Spaceship Command|Spaceship Command]] skills; for example, if you're flying a [[Venture]], {{sk|Mining Frigate|icon=yes}} improves your ore mining yield by an additional 5% per skill level (or the cycle time of your gas harvesters by 5% per skill level). This last method is also the only way to improve gas harvesting through | {{sk|Mining|icon=yes}} and {{sk|Astrogeology|icon=yes}} both give a +5% bonus to ore mining yield per skill level, while {{sk|Ice Harvesting|icon=yes}} reduces the cycle time of ice mining lasers and ice harvesters by 5% per skill level. Additionally, all the mining ships gain bonuses from their respective [[Skills:Spaceship Command|Spaceship Command]] skills; for example, if you're flying a [[Venture]], {{sk|Mining Frigate|icon=yes}} improves your ore mining yield by an additional 5% per skill level (or the cycle time of your gas harvesters by 5% per skill level). This last method is also the only way to improve gas harvesting through skills—{{sk|Gas Cloud Harvesting|icon=yes}} allows you to fit an additional gas harvesting module on your ship per skill level, but doesn't improve the efficiency of those modules. | ||
=== Mining modules === | === Mining modules === | ||
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Ore miners, in particular, have a large selection of mining modules to choose from. In addition to the improved ([[Tech and meta levels|higher-meta, Tech 2 or Faction]]) versions available of each mining module, ore miners can also fit Strip Miners (which can mine several times more than basic ore mining lasers, but can only be used on [[Mining Barges]] and [[Exhumers]]) and Deep Core Miners (which are needed to mine Mercoxit, a very rare type of ore). Additionally, "modulated" ore mining modules can be fitted with [[mining crystals]] to greatly increase the mining yield for particular kinds of ore. | Ore miners, in particular, have a large selection of mining modules to choose from. In addition to the improved ([[Tech and meta levels|higher-meta, Tech 2 or Faction]]) versions available of each mining module, ore miners can also fit Strip Miners (which can mine several times more than basic ore mining lasers, but can only be used on [[Mining Barges]] and [[Exhumers]]) and Deep Core Miners (which are needed to mine Mercoxit, a very rare type of ore). Additionally, "modulated" ore mining modules can be fitted with [[mining crystals]] to greatly increase the mining yield for particular kinds of ore. | ||
{{example|For example, an average-skilled pilot in a [[Venture]] fitted with two Miner I modules can mine about 250 | {{example|For example, an average-skilled pilot in a [[Venture]] fitted with two Miner I modules can mine about 250{{m3}} of ore per minute. If the pilot uses ([[Tech and meta levels|Tech 2]]) Miner II modules instead, his yield increases to about 360{{m3}} of ore per minute.}} | ||
==== Mining upgrade modules ==== | ==== Mining upgrade modules ==== | ||
Ore and ice miners can fit [[ORE Basic Ship and Skill Overview#Mining laser upgrades and ice harvester upgrades|mining upgrade modules]] on their ships, which increase their mining yield (by 5% | Ore and ice miners can fit [[ORE Basic Ship and Skill Overview#Mining laser upgrades and ice harvester upgrades|mining upgrade modules]] on their ships, which increase their mining yield (by 5%–9%, depending on the module), but increase the amount of CPU used by the mining modules fitted on their ship. There are no mining upgrade modules for gas cloud harvesting. | ||
{{Example|The average-skilled pilot from the example above has upgraded to a [[Retriever]], and (thanks to two Strip Miner I modules) is mining about 840 | {{Example|The average-skilled pilot from the example above has upgraded to a [[Retriever]], and (thanks to two Strip Miner I modules) is mining about 840{{m3}} of ore a minute. Wanting to increase his yield, he installs a Mining Laser Upgrade I, which increases his yield to about 890{{m3}}/min—but his Strip Miners now need an extra 6 TF of CPU each! If he goes for the whole hog, and installs two further Mining Laser Upgrade Is, he can now mine 980{{m3}}/min, but needs to find room in his fitting for the extra 19 TF of CPU which each of his Strip Miners now require. If the pilot trains the {{sk|Mining Upgrades|icon=yes}} skill to level V, he can reduce this penalty to 15 TF of CPU.}} | ||
==== Rigs ==== | ==== Rigs ==== | ||
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There are several implants which you can plug into your head which increase your mining yield: | There are several implants which you can plug into your head which increase your mining yield: | ||
* '''{{co|#FF8C00|Michi's Excavation Augmentor}}''' increases the yield of mining lasers by 5% | * '''{{co|#FF8C00|Michi's Excavation Augmentor}}''' increases the yield of mining lasers by 5% | ||
* The '''{{co|#FF8C00|Eifyr and Co. 'Alchemist' Gas Harvesting}}''' implant reduces the cycle time of Gas Cloud Harvesters by | * The '''{{co|#FF8C00|Eifyr and Co. 'Alchemist' Gas Harvesting}}''' implant reduces the cycle time of Gas Cloud Harvesters by 1–5% (depending on the grade of the implant) | ||
* The '''{{co|#FF8C00|Inherent Implants 'Highwall' Mining}}''' implant increases mining yield by | * The '''{{co|#FF8C00|Inherent Implants 'Highwall' Mining}}''' implant increases mining yield by 1–5% (depending on the grade of the implant) | ||
* The '''{{co|#FF8C00|Inherent Implants 'Yeti' Ice Harvesting}}''' implant reduces the cycle time of ice mining lasers and ice harvesters by | * The '''{{co|#FF8C00|Inherent Implants 'Yeti' Ice Harvesting}}''' implant reduces the cycle time of ice mining lasers and ice harvesters by 1–5% (depending on the grade of the implant) | ||
* The '''{{co|#FF8C00|Low-Grade Harvest}}''' implant set increases the range of your mining lasers by up to 33% (if you have all six implants) | * The '''{{co|#FF8C00|Low-Grade Harvest}}''' implant set increases the range of your mining lasers by up to 33% (if you have all six implants) | ||
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== Short-cycling == | == Short-cycling == | ||
When using a mining module (eg a mining laser, ice mining laser or an ice harvester), the ore/ice/gas is only harvested at the ''end'' of the module's cycle (so if a module mines, for instance, 100 | When using a mining module (eg a mining laser, ice mining laser or an ice harvester), the ore/ice/gas is only harvested at the ''end'' of the module's cycle (so if a module mines, for instance, 100{{m3}}/min of ore, and the module has a 60 second cycle time, then at the end of each 60 second cycle, 100{{m3}} of ore are deposited in the ship's cargo or mining hold). Unlike most other active [[modules]] in EVE, mining modules can be short-cycled; i.e. their cycle can be interrupted, and a new cycle can be begun immediately (most other modules will always complete their current cycle before shutting off). | ||
If you short-cycle a mining module, it will deposit an amount of ore in the ship's cargo or mining hold, proportional to the length of time the module was active. For instance, if the above-mentioned 100 | If you short-cycle a mining module, it will deposit an amount of ore in the ship's cargo or mining hold, proportional to the length of time the module was active. For instance, if the above-mentioned 100{{m3}}/min mining laser is shut off after 45 seconds (compared to a full cycle of 60 seconds), it will mine <span style="white-space: nowrap;">100 * (45/60) = 75{{m3}}</span> of ore. | ||
Short-cycling comes in handy when mining asteroids with little ore left in them. If you used a [[Mining#Survey scanner|survey scanner]] to check how much ore is left, you can short-cycle your mining laser to harvest just that amount of ore, and therefore not waste the rest of the mining laser's cycle. This technique becomes particularly useful when using [[ORE Basic Ship and Skill Overview#Strip miners|strip miners]], as they have very high yields and long cycle time (and can therefore waste a lot of time when mining nearly-empty asteroids). Short-cycling is equally useful when [[Gas cloud harvesting|harvesting gas]], but should never be used while [[Ice harvesting|ice harvesting]] (as ice mining lasers/harvesters only harvest 1 unit of ice per complete cycle; short-cycle your ice harvester, and you mine nothing). | Short-cycling comes in handy when mining asteroids with little ore left in them. If you used a [[Mining#Survey scanner|survey scanner]] to check how much ore is left, you can short-cycle your mining laser to harvest just that amount of ore, and therefore not waste the rest of the mining laser's cycle. This technique becomes particularly useful when using [[ORE Basic Ship and Skill Overview#Strip miners|strip miners]], as they have very high yields and long cycle time (and can therefore waste a lot of time when mining nearly-empty asteroids). Short-cycling is equally useful when [[Gas cloud harvesting|harvesting gas]], but should never be used while [[Ice harvesting|ice harvesting]] (as ice mining lasers/harvesters only harvest 1 unit of ice per complete cycle; short-cycle your ice harvester, and you mine nothing). | ||