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Ayane Shardmoor
Minmatar
ShardNet
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Posted - 2007.12.16 21:27:00 -
[1]
I put together a simple spreadsheet for calculating the total batch of materials needed to manufacture 'x' runs of 'y' item, and compare market values for those minerals versus the manufacturing output. I've verified the spreadsheet maths are correct, but the output is not matching up to the manufacturing quote I get in-game.
Here are the numbers for the job I'm preparing:
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Multispectral Frequency Probe, 90 runs
Materials Cost (mine, per run):
: Isogen - 3
: Megacyte - 2
: Mexallon - 18
: Nocxium - 6
: Pyerite - 18
: Tritanium - 6
Materials total (according to spreadsheet):
: Isogen - 270
: Megacyte - 180
: Mexallon - 1620
: Nocxium - 540
: Pyerite - 1620
: Tritanium - 540
Materials quoted by S&I:
: Isogen - 298 (+28)
: Megacyte - 198 (+18)
: Mexallon - 1584 (-36)
: Nocxium - 496 (-44)
: Pyerite - 1584 (-36)
: Tritanium - 496 (-44)
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Wastage numbers quoted are ranging from 9.0% to 9.3%. I'm clearly not factoring these in, and I can't quite work out *how* to factor them in. Same with the quoted material multipliers for station and skills (1.0 and 1.05, respectively). I've tried a few combinations but my calculations don't match the quote.
The other thing that's got me really baffled is that some materials are quoted higher than expected, while others are quoted lower. I'd expect, given that I'm not factoring in waste or station/skill efficiency, that all materials would've been higher. How are some being quoted lower?
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Jameroz
Art of War
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Posted - 2007.12.16 21:59:00 -
[2]
The values displayed in bpo's info are numbers for single run
To calculate multiple runs you need to know the base cost (ie. from item database in eve-online.com or some player provided database)
Formula is round(runs*base_cost*(1+waste_percentage)*(1.25-0.05*production_eff))
with Production Effiency skill at 5 it's round(runs*base_cost*(1+waste_percentage))
Example:
For Multispetral Frequency Probe with 0 ME the waste percentage is 10% = 0.1 with PE5
Base costs are:
Tritanium 5
Pyerite 16
Mexallon 16
Isogen 3
Nocxium 5
Megacyte 2
90 runs:
Tritanium round(90*5*(1+0.1)) = round(594) = 495
Pyerite round(90*16*(1+0.1)) = round(1584) = 1584
Mexallon round(90*16*(1+0.1)) = round(1584) = 1584
Isogen round(90*3*(1+0.1)) = round(297) = 297
Nocxium round(90*5*(1+0.1)) = round(495) = 495
Megacyte round(90*2*(1+0.1)) = round(198) = 198
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Admiral Nova
Strike Team Nova
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Posted - 2007.12.17 06:05:00 -
[3]
Pre-trinity this calculated by rounding then multiplying by the number of runs, so the cost per run was always the same. Now it mulitplies by the number of runs and then rounds....
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Artmedis Valben
Gallente
Lobster of Babel
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Posted - 2007.12.17 18:14:00 -
[4]
well using ME100 BPO/BPC to build from:
90 units of Multispecs
pre trinity: post-trinity:
Isogen [270] [270]
Megacyte [180] [180]
Mexallon [1440] [1441]
Noxcium [450] [450]
Pyerite [1440] [1441]
Tritanium [450] [450]
So was it worth it to research my BPOs to bits and beyond? 
Selling: PERFECT PRINTS
T2 SHIPS |
Ayane Shardmoor
Minmatar
ShardNet
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Posted - 2007.12.17 20:05:00 -
[5]
 Originally by: Jameroz
The values displayed in bpo's info are numbers for single run
So the problem is that I was using preadjusted, and more importantly pre-rounded numbers for my base cost. That's kind of annoying. I'm at work right now so can't check, but would it be safe to say that the "perfect" numbers on the BP are the correct, unadjusted base cost? Or are those still potentially different from the eve-o item database values?
Thanks for the info BTW. This clears up a lot. 
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Pwett
Minmatar
QUANT Corp.
QUANT Hegemony
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Posted - 2007.12.17 22:31:00 -
[6]
No, the perfect numbers on the blueprint are rounded for one run.
_______________
Pwett
CEO, Founder, & Executor
<Q> QUANT Hegemony
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Artmedis Valben
Gallente
Lobster of Babel
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Posted - 2007.12.17 22:54:00 -
[7]
The refining value is base cost, and these are all whole numbers.
To have a Perfect ME for Mass production, now requires that you multiply this number with the number of batches that fit into a 30 day production period.
Or if you prefer with your standard patch size.
Lets say you are manufacturing multispecs and your standard batch size is 500 runs.
Iso 1500
Megacyte 1000
Mexallon 8000
noxcium 2500
pyerite 8000
Tritanium 2500
If you want perfect ME for 500 run batches;
you need:
ME200 for no Megacyte waste
ME300 for no Isogen waste
ME500 for no Noxcium and Tritanium waste
ME1600 for no Mexallon and Pyerite waste
so if you build in 250 run batches, half of this is needed for no waste.
In 100 run batches you will have 1 unit of mexallon and pyerite as waste even at ME100.
Selling: PERFECT PRINTS
T2 SHIPS |
Dragonring Omega
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Posted - 2007.12.19 15:28:00 -
[8]
Why did they do this? Were too many people getting "done" with their bpos so the devs thought, lets make them clog up the research more.
I guess I shouldn't have gone with the research just enough ME to make a perfect copy and maxed out every bpo in blocks of 30 day increments.
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Posidrive
Caldari State Ordnance Company
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Posted - 2007.12.21 10:26:00 -
[9]
Well there are a couple of things that can happen here.
1 - Prices will rise due to wastage
2 - Profits will drop due to wastage.
Its 1 OR the other
Researched Rig BPO Sales |
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