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Secret Master

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For the love of all things holy....how did you get 71%???

Having like, 20 practical yields what, 39%? Wow dude.

It was part of my attempt to fully implement historical US production. To get a practical discount of 71%, I had to build 30 TRA and 118 STR by March of 1945.

Take a look at the post and my later test.

I suspect, but can't prove, that there is no hard limit to practical knowledge. Hypothetically, you could get the cost reduction down to 99%. At a certain point, I'm guessing decay would eliminate practical knowledge faster than you could acquire it from building stuff, but surely someone with time on their hands could try for an 80% discount in a single category of practicals.

his Heavy Aircraft practical is almost 200 if i get this correctly.

Sounds about right.

I thought it would't even be possible to go beyond 100 practical. Ho be honest i don't know why. :unsure:

I honestly don't think there is any hard cap in TFH.
 

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Just checked and there is definitely a hard cap at 99 practical, at which point you get about -48%. The rest comes from industrial efficiency. +20% IC efficiency from tech and a +5% efficiency from Heavy Industrial Emphasis will allow you to break -70%.

So yeah, Industrial Efficiency and Industrial Laws are really important.
 

Secret Master

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strats are horribly op i think.

What is the purpose of this comment? Are you suggesting that I am gaming the system by using 118 STR? If so, you should read the posts I linked. The entire point of that exercise was to determine whether minsterbean (and indeed, several other members of the community) were correct in their assertion that the US is underpowered in IC terms. I built all the stuff in the US OOB, which included an insane number of STR. I'm not even sure what I would do with 30 STR, much less over 100. There's not that much IC in the game to bomb, even if you had infinite range.

It's just an exercise in demonstrating that the US does indeed have the requisite IC to meet historical production targets.

Less said:
Just checked and there is definitely a hard cap at 99 practical, at which point you get about -48%. The rest comes from industrial efficiency. +20% IC efficiency from tech and a +5% efficiency from Heavy Industrial Emphasis will allow you to break -70%.

So yeah, Industrial Efficiency and Industrial Laws are really important.

Could you demonstrate your math in a slightly clearer way for those of us who are mathematically challenged? I don't doubt your claim, but I want to fully understand how it all shakes out in your calculation and then go peek at the save game with that particular screenshot's information. I want to see if there are any other factors at play.

When I first did it, I didn't expect to get a -71% discount in production, hence my speculation on the cap not existing.
 

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Could you demonstrate your math in a slightly clearer way for those of us who are mathematically challenged? I don't doubt your claim, but I want to fully understand how it all shakes out in your calculation and then go peek at the save game with that particular screenshot's information. I want to see if there are any other factors at play.

When I first did it, I didn't expect to get a -71% discount in production, hence my speculation on the cap not existing.

When you check the tooltip that says "X practical reduces building time and cost by Y%", it's actually a lie. The Y% is actually your combined practical + IC efficiency bonus. Otherwise the math seems to follow the formula that pocho.hr posted as far as calculating what bonus practicals provide. Think of IC efficiency as a global practical bonus. If your infantry practical gives no bonus or penalty and you have +10% efficiency, you get a final result of -10% to build cost and time. If your infantry practical gives you -20% and you have +10% efficiency, you'll end up with a total of -30% to build cost and time.

If you want to confirm this, check the Y% immediately before and after finishing an IC efficiency tech, or before and after altering your industry laws.

If you check that save game I suspect you'll be sitting at ~99 practical (-48% build cost and time), with an additional IC efficiency of (+5% for Heavy Industrial, +20-22.5% for 1944/1946 IC efficiency), putting you at around -70% build cost and time give or take a bit.
 
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