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Invention is the means by which you produce blueprint copies for Tech II 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 Tech II 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.

Revision as of 19:41, 20 July 2014

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Invention is the means by which you produce blueprint copies for Tech II 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.

A player using the invention process takes a BPC for a lower tech item, adds certain specialized equipment, and attempts to create a BPC for a corresponding higher tech item. Although it sounds simple, invention can be very expensive and difficult to do successfully.

The (hopefully) created BPC will have a single run on a ship BPC, and 10 runs on everything else. It will have ME -2% and TE -4%. These values are regardless of those on the input T1 BPC. The Runs, ME and TE levels on the created BPC can be adjusted using decryptors (see optional items below).

For a quick history of T2 manufacturing, see the section at the bottom of this page.

Skills Required

You need to train several different types of skills in order to perform the invention process:

  • Encryption Method skills - there are one for each of the four races (Amarr, Gallente, Caldari, Minmatar) and every Tech II item requires a specific one
  • Advanced Science skills - each Tech II item requires at least two of these

There are four racial encryption methods skills:

Each T2 item is associated with one of these encryption methods.

Each item also has two advanced science skills associated with it. The advanced science skills are:

Invention info.png

An inventor must have the proper encryption method skill and the two science skills trained, as required for each item, in order to start an Invention job. Higher skill levels of the encryption methods and science skills lead to a better chance of invention. In order to see which skills are required, look in the Invention tab in a blueprint for any Tech I item.

For example, this Scourge Rocket Blueprint (see right) requires:

  • Rocket Science I
    • Mechanics V
    • Science V
  • Electronic Engineering I
    • Science V
    • CPU Management V
  • Caldari Encryption Methods I
    • Hacking II
      • Electronics Upgrades III
        • CPU Management II
        • Power Grid Management II
      • Science III

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.

Use one of these handy calculators to work out your invention chance using different combinations of skills & optional items:

Other Related Skills

Laboratory Operation and Advanced Laboratory Operation will govern how many concurrent science jobs you can perform. Scientific Networking will govern from how many jumps away you can start science jobs.

Items required

There are 3 mandatory items and 2 optional items needed for invention. To find out which items are required, look in the Invention tab in a blueprint for any Tech I item, or load the blueprint into the Industry window and choose Invention.

Mandatory Items

  1. Blueprint copy
    • You must have a T1 blueprint copy (BPC) of the T2 item you wish to create. Whether the invention job is successful or not, this BPC will be returned to you with one fewer runs remaining on it. If it only has one run remaining, it will be consumed.
    • The ME, TE and Runs Remaining on the input BPC are irrelevant.
  2. Datacores
    • Each invention job will require two types of datacores. The number of datacores needed depends on the size of the object created. Small modules only require one datacore of each type while battleships require 32 of each type.
    • Datacores are primarily obtained through Factional Warfare loyalty point stores. They can also be 'farmed' from Research agents, although much less effectively, whilst some datacores can be found in exploration sites. However obtained, they tend to end up on the market, in the Manufacture & Research > Research Equipment > Datacores tab.
    • Whether the invention job is successful or not, these datacores will be consumed.
  3. Data Interface
    • Each job will require a data interface.
    • There are different sets of interfaces for ships, ship equipment, and rigs. Each race has its own set of interfaces. The interface name has two parts, the Racial title, and the object type. For Racial title, Amarr use the Occult, Caldari the Esoteric, Gallente the Incognito, and Minmatar the Cryptic. For object type, ships use the Ship Data Interface, Modules & Ammo use the Data Interface, and Rigs use the Tuner Data Interface. So, for example, to invent on Caldari ships, you would use the Esoteric Ship Data Interface.
    • The racial interface required is the same as the racial encryption method skill needed. For example, the Scourge Rocket above requires the Caldari Encryption Methods skill, and therefore an Esoteric Data Interface for invention.
    • These items are only used to start the Invention process and are not consumed. That means a single interface can start an infinite number of jobs. If you ever decide to go into T2 manufacturing on a large scale, you only need to purchase a single set of interfaces.

Optional Items

  1. Base Item (recommended)
    Selecting a decryptor
    • One optional item that can be included is a base item - a "named" Tech 1 item of the type you are trying to invent.
    • These items increase the chance of a successful invention job significantly. The "Meta Level" of an item is the key factor.
    • You can use Meta Level 1 to 4 ("named" tech I items) as a base item for invention - Meta 0 items have no effect, and you cannot use higher Meta Level items than Meta 4. The higher the Meta Level of the base item, the better chances of success. Like datacores, this base item will be consumed during the Invention process, whether you are successful or not.
  2. Decryptors (recommended for big expensive invention jobs, like T2 ships)
    • Decryptors are an optional item that can be added to the invention process. Decryptors affect the invention chance of the process as well as the material efficiency, time efficiency, and number of runs of the created T2 BPC. Decryptors will be consumed during the Invention process, successful or not.
    • Add the values from the decryptor to the base values to calculate the final outcome of the T2 BPC.
    • Excellent guide to decryptors: http://eve-prosper.blogspot.com/2013/07/everything-you-never-wanted-to-know.html NOTE: pre-Crius guide, use with caution

Use one of these handy calculators to work out your invention chance using different combinations of skills & optional items:

The invention process

Gather your BPC, all mandatory items and any optional items you desire to use in a station with invention facilities, or in a Design Laboratory at a POS. The Design Laboratory also has a 50% reduction in the time required on invention, which is highly useful.

Select the relevant BPC in the Industry window, and choose Invention on the activity list. The resulting window will tell you your invention chance, taking into account your skills and any selected optional items.

The optional items can be selected using the boxes on the left hand side of the Industry UI. All possible items will be listed, but items not available for use (i.e. not found in the input material location) will be faded out. You can use the decryptor selection box to look at how each different decryptor affects invention chance and outcome.

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).

Currently, there are no Teams that work on Invention, although this may change in the future (CCP has committed to looking at Invention in the next patch/expansion after Crius).

Invention ui.png

Once the job is complete and delivered, you do not receive any explicit notification if your job was successful. The only indication of success is that the 'Outcome' box in the Industry window actually contains your T2 BPC and an animated blue highlight - you will be able to find your new T2 BPO in the list of blueprints.

Job success.png

If your invention failed however, the 'Outcome' box in the industry window will tint red, with an animated red bar across, and display a large Job failed text in red.

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 items will be consumed, and your BPC will be returned with one fewer run on it (unless it only had 1 run remaining).

T2 BPCs

Tech 2 blueprint copies have 10 runs, -2% ME and -4% TE, unless modified by a decryptor. T2 BPCs for ships have 1 run (again unless modified by a decryptor). The only activity you can do with a T2 BPC is to manufacture it, you cannot research or copy it.

Maximizing invention success

The chance for a succesful invention is calculated by this formula:

File:Invention equation.png

Base Chance:

  • Modules and Ammo have a base probability of 40%
  • Frigates, Destroyers, Freighters and Skiff have a base probability of 30%
  • Cruisers, Industrials and Mackinaw have a base probability of 25%
  • Battlecruisers, Battleships and Hulk have a base probability of 20%
File:Invention chance.png

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.

For example, using one of the invention chance calculators linked earlier:

  • Let's say we are inventing from a Nanofiber Internal Structure I blueprint copy, so select a Base chance value of 40%
  • Enter 3 for the level of your encryption skill - a moderate level of proficiency
  • Enter 4 for each of the two science skill levels - for a nanofiber, that would be Nanite Engineering and Molecular Engineering
  • Enter nothing / +0% for decryptor

Press the "Recalculate" button. The probability of success is 47.8%, near enough to what we see in-game.

Now enter Meta level 4 for the base item and recalculate. The probability of success is now a whopping 74.2% - this illustrates the value of using higher meta level base items in invention jobs. You can experiment with different skill levels and items 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 meta level items or decryptors.

Note that the following factors have no impact on the probability of invention success:

  • Using meta level 0 base items (as previously described)
  • ME, TE or number of Runs on the BPC
  • How attractive, charming or brilliant you are :-)

Helpful guidelines

  • Encryption skill affects the chance of success moderately: training up to level 3 is very useful, beyond that, it produces only very slight improvement.
  • Science skills affect success most significantly: train up to at least level 4, and eventually to level 5 - especially the ones for ships - if you are going to be producing significant amounts of certain items.
  • Higher meta-level Tech I items can also affect success significantly: while optional, always try to use meta 3 or 4 items if you can. Meta 4 items can be expensive, but you might judge them worthwhile for some high-value T2 items. You can place buy orders in the market to get some of these at very low prices from mission-runners who want to dump their loot.
  • Decryptors can virtually guarantee success, but can also be very expensive: in general, use these only for big items like Tech II ships.
  • 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, meta items, 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, meta level items, and decryptors. Many inventors tire quickly of depending on public resources for blueprint copying, which are always in short supply. If you are going to be a serious producer of Tech II items, you will eventually want to establish a research POS, so that you always have labs available - with significant time saving bonuses - for copying and invention jobs.

Useful links

Apart from the invention chance calculators linked earlier, here are some more links:

In Ye Olde Days...

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