# How Many Runs should my Blueprint Copy Have?

**URL:** <https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873>\
**Category:** Science & Industry\
**Created:** [September 12, 2017, 4:59pm UTC](https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873 "2017-09-12T16:59:26Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Mark\_Remillard](https://sea1.discourse-cdn.com/eveonline/user_avatar/forums.eveonline.com/mark_remillard/32/299147_2.png) [@Mark\_Remillard](https://forums.eveonline.com/u/Mark_Remillard)\
**Post date:** [September 12, 2017, 4:59pm UTC](https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873/1 "2017-09-12T16:59:26Z")

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Hey there,

I am preparing to start T2 production and have been reading some guides. I am thinking of starting off with some drones.

Based on the guides I have read, you should use 1-run blueprint copies for ships and “max run” for modules, ammo and drones (for invention purposes).

The question I have is: where do i find out what the max run is? I’m suspecting that its 10 run copies but I cannot find confirmation anywhere. I don’t want to waste time making larger run sizes than I can use.

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**Author:** ![Zhilia\_Mann](https://sea1.discourse-cdn.com/eveonline/user_avatar/forums.eveonline.com/zhilia_mann/32/214674_2.png) [@Zhilia\_Mann](https://forums.eveonline.com/u/Zhilia_Mann)\
**Post date:** [September 12, 2017, 5:07pm UTC](https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873/2 "2017-09-12T17:07:56Z")

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That’s outdated information. Each invention attempt now uses up 1 run on a copy and has no effect on the T2 print.

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**Author:** ![Do\_Little](https://sea1.discourse-cdn.com/eveonline/user_avatar/forums.eveonline.com/do_little/32/411571_2.png) [@Do\_Little](https://forums.eveonline.com/u/Do_Little)\
**Post date:** [September 12, 2017, 5:59pm UTC](https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873/3 "2017-09-12T17:59:12Z")

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If you are inventing T2 drones, each successful invention will create a 10 run T2 BPC - maybe more if you include a decryptor in the attempt.

I generally do 50 run inventions - which take about 2.5 days for light drones and 5 days for mediums in a bonused facility. With level 5 skills my “expected” outcome is 24-25 T2 BPCs, 240-250 drones.

For invention, the ME/TE of the T1 BPC’s used for invention have no influence on the ME/TE of the invented T2 BPC. For light scout drones I will make 600 run T1 BPCs and use 50 runs at a time for invention.

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**Author:** ![Mark\_Remillard](https://sea1.discourse-cdn.com/eveonline/user_avatar/forums.eveonline.com/mark_remillard/32/299147_2.png) [@Mark\_Remillard](https://forums.eveonline.com/u/Mark_Remillard)\
**Post date:** [September 12, 2017, 9:24pm UTC](https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873/4 "2017-09-12T21:24:45Z")

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Thank you for clearing it up for me. Invention jobs are running 🙂

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**Author:** ![system](https://global.discourse-cdn.com/eveonline/original/3X/4/1/41ec4921cbaca7a6f9ea556e7cc20018461eae5e.png) [@system](https://forums.eveonline.com/u/system)\
**Post date:** [December 11, 2017, 9:24pm UTC](https://forums.eveonline.com/t/how-many-runs-should-my-blueprint-copy-have/23873/5 "2017-12-11T21:24:59Z")

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