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'''Invention''' is the means by which you produce [[blueprint]] copies for [[Techs, Tiers and Meta levels|Tech 2 items and ships]] in EVE, which can then be sold on the market, or (more popularly) be used to manufacture those items for sale or personal use in the game. | '''Invention''' is the means by which you produce [[blueprint]] copies for [[Techs, Tiers and Meta levels|Tech 2 items and ships]] in EVE, which can then be sold on the market, or (more popularly) be used to manufacture those items for sale or personal use in the game. | ||
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** {{sk|Sleeper Encryption Methods|mult=yes}} | ** {{sk|Sleeper Encryption Methods|mult=yes}} | ||
* | *Each item also has two advanced science skills associated with it. The advanced science skills are: | ||
** {{sk|Amarrian Starship Engineering|mult=yes}} | ** {{sk|Amarrian Starship Engineering|mult=yes}} | ||
** {{sk|Caldari Starship Engineering|mult=yes}} | ** {{sk|Caldari Starship Engineering|mult=yes}} | ||
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** {{sk|Molecular Engineering|mult=yes}} | ** {{sk|Molecular Engineering|mult=yes}} | ||
** {{sk|Nanite Engineering|mult=yes}} | ** {{sk|Nanite Engineering|mult=yes}} | ||
** {{sk|Nuclear Physics|mult=yes}} | ** [[File:Invention info.png|right]]{{sk|Nuclear Physics|mult=yes}} | ||
** {{sk|Plasma Physics|mult=yes}} | ** {{sk|Plasma Physics|mult=yes}} | ||
** {{sk|Quantum Physics|mult=yes}} | ** {{sk|Quantum Physics|mult=yes}} | ||
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You should train the encryption method skills to at least level 3, and the science skills at least to level 4, to have a good chance of invention success. | You should train the encryption method skills to at least level 3, and the science skills at least to level 4, to have a good chance of invention success. | ||
=== Other Related Skills === | === Other Related Skills === | ||
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#** Optimized Augmentation Decryptor | #** Optimized Augmentation Decryptor | ||
== The invention process == | == The invention process == | ||
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Be sure to select the correct Outcome, because some T1 BPCs can invent more than one T2 item (for example, a Scourge Rocket BPC invents both the Scourge Rage Rocket and Scourge Javelin Rocket BPCs, two different types of T2 rocket ammunition). | Be sure to select the correct Outcome, because some T1 BPCs can invent more than one T2 item (for example, a Scourge Rocket BPC invents both the Scourge Rage Rocket and Scourge Javelin Rocket BPCs, two different types of T2 rocket ammunition). | ||
[[File:Invention ui.png|800px]] | [[File:Invention ui.png|800px]] | ||
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You can also see a summary of the success or failure of each job in the job listing after delivery. | You can also see a summary of the success or failure of each job in the job listing after delivery. | ||
Either way, your datacores and optional | Either way, your datacores and optional decryptor will be consumed, and your BPC will be returned with one fewer run on it (unless it only had 1 run remaining). | ||
=== T2 BPCs === | === T2 BPCs === | ||
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* Freighters have a base chance of 18% | * Freighters have a base chance of 18% | ||
It's not difficult to get a good chance of success for modules, but progressively more difficult for ships as their size increases. This is why investing in some decryptors is a good idea for Tech II ship invention jobs. | |||
Here's a very basic invention chance calculator created in Google Sheets - [http://www.eveuni.org/invention http://www.eveuni.org/invention]. | |||
* Let's say we are inventing from | * Let's say we are inventing from the Inferno Rocket Blueprint in the earlier image - so select ''Modules, drones, rigs, ammo, intact Ancient Relics'' in the first box. | ||
* Select 4 for each of the two science skill levels - for the Inferno Rocket, that would be Electronic Engineering and Rocket Science | |||
* | * Select 3 for the level of your encryption skill - a moderate level of proficiency | ||
* | * Select none for the decryptor | ||
The probability of success is 45.6%, exactly what we see in-game. | |||
You can experiment with different skill levels and decryptors to see how the probability changes. Use this to determine the levels of skills you wish to train, and whether you want to invest in decryptors. Remember that decryptors also affect max runs, ME and TE of the final BPC, not just the chance of success. | |||
Note that the following factors have | Note that the following factors have '''n'''o impact on the probability of invention success, nor the quality or number of runs on the output BPC: | ||
* ME, TE or number of Runs on the BPC | * ME, TE or number of Runs on the BPC | ||
* How attractive, charming or brilliant you are :-) | * How attractive, charming or brilliant you are :-) | ||
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===Helpful guidelines=== | ===Helpful guidelines=== | ||
* Science skills each improve the chance of success by | * Science skills each improve the chance of success by more than the encryption skill, so since all are 5x rank skills, you should train science skills up first. A decent option is to initially train encryption to 3 and science skills to 4. Eventually you should consider training encryption to 4 and the science skills to level 5 - especially the ones for ships - if you are going to be producing significant amounts of certain items. | ||
* Decryptors can virtually guarantee success, but can also be very expensive: in general, use the expensive ones only for big items like Tech II ships. | * Decryptors can virtually guarantee success, but can also be very expensive: in general, use the expensive ones only for big items like Tech II ships. | ||
* 'Symmetry' and 'Augmentation' type decryptors are often cheap, and add +2 or +9 (the latter at the cost of a lower invention chance) runs to the resulting BPC, so they can be very worthwhile (especially for ships and rigs, which only give 1-run BPCs by default) in driving down invention costs per manufacturing run, as well as increasing T2 manufacturing throughput by loosening the invention bottleneck. | * 'Symmetry' and 'Augmentation' type decryptors are often cheap, and add +2 or +9 (the latter at the cost of a lower invention chance) runs to the resulting BPC, so they can be very worthwhile (especially for ships and rigs, which only give 1-run BPCs by default) in driving down invention costs per manufacturing run, as well as increasing T2 manufacturing throughput by loosening the invention bottleneck. | ||
* To maximize profits from invention, you need to minimize your investment costs. This means using buy orders to purchase invention items in the market: datacores | * To maximize profits from invention, you need to minimize your investment costs. This means using buy orders to purchase invention items in the market: datacores & decryptors. You'll also want to shop around to different systems to find the most affordable blueprint copying and invention facilities. | ||
* As you gain more experience in invention, you can experiment with different investments in your mix of skills | * As you gain more experience in invention, you can experiment with different investments in your mix of skills and decryptors. If you are going to be a serious producer of Tech II items, you will eventually want to establish a research POS - with significant time saving bonuses - for copying and invention jobs. | ||
=== Useful links === | === Useful links === | ||
Hre are some more links (caution: may be out of date since recent invention changes from CCP, especially the success chance calculators): | |||
* [http://games.chruker.dk/eve_online/invention_chance.php http://games.chruker.dk/eve_online/invention_chance.php] | |||
* [http://www.eve-cost.eu/invention http://www.eve-cost.eu/invention] | |||
* [http://www.jitonomic.com/Invention/ http://www.jitonomic.com/Invention/] | |||
* A very good invention profitability calculator: http://www.eve-market-guide.com/ | * A very good invention profitability calculator: http://www.eve-market-guide.com/ | ||
* An easy to use tool for analyzing the profitability of T2 invention and manufacturing: http://bp.cherry.frubar.net/ | * An easy to use tool for analyzing the profitability of T2 invention and manufacturing: http://bp.cherry.frubar.net/ | ||