Daily Tip:The single most important skill related to turret weaponry is Rapid Firing. Train it to level four as quickly as possible. Eventually, you should train it to level five.

Inventing Hounds The Easy Way (Part 1) - Page 2

Posted Mon, Apr 25, 2011 by Space Junkie

The Invention Attempt

Put all of your invention ingredients in a station with available invention slots. Right click on the breacher blueprint and select the invention option. Choose an invention slot to use from the list presented and ignore the other options in the invention window. The job will occupy one of your lab job slots, just like copying or researching a blueprint would.

The chance of the attempt succeeding varies depending on your skills. Use an invention calculator like this one to see your chance of success. A failed attempt will produce nothing, while a successful attempt will produce a 1-run hound blueprint copy.

The Maths Of Invention

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Looking at the invention tab of a breacher blueprint shows the skills needed to attempt an invention attempt.

Because invention chance is random, it can be difficult to figure out how much ISK you are spending per successful job. Each successful attempt needs to take into account the ISK lost on failed attempts. To do this, add up the cost of the ingredients consumed in each invention attempt, and divide that amount by your success chance according to your invention calculator.

The formula can be expressed as follows:

  • (Ship BPC Cost + Total Datacore Cost) / Success Chance = Cost Per Invented BPC Run

In that formula, the success chance should be mathematically expressed as a fraction. So if you had a 25% success chance, use .25 in the formula.

With the hound prices, Minmatar Encryption Methods III, and Mechanical Engineering III, the formula can be expressed as follows:

  • (.1mil ISK + 1.11mil ISK) / .3461 = 3.496mil ISK cost per successful blueprint copy

Training Minmatar Encryption Methods and Mechanical Engineering to a higher level will increase your profits.


Now that you have some hound blueprints, you can sell them, make them yourself, or hoard them for when you have better manufacturing skills trained. The actual manufacturing portion will be covered in the second portion of this guide. Until then, I wish you good luck!

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