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The melter has 30% downtimes, I expect to have 66% downtimes.

What is the calculation base?

  1. The steel furnance has a crafting speed of 2 per second.
  2. The electric mining drill has a mining speed of 0.5 per second
  3. The copper plate has a production time of 3.2 seconds

This means, the steel furnance can melt 1.6 (3.2/2) but 3 times the electic minig drill gives 1.5 (3*0.5) ore per second.

What is the calculation base for melting?

5
  • Why are you multiplying by 3?
    – Corsaka
    Jan 31, 2020 at 14:46
  • @Corsaka 3 times the electic drill * 0.5
    – Grim
    Jan 31, 2020 at 14:56
  • Yeah, but where is the 3 coming from?
    – Corsaka
    Jan 31, 2020 at 15:03
  • @Corsaka Ignore that, from my calculations it is the most close value to 1.6
    – Grim
    Jan 31, 2020 at 15:06
  • Yeah, it's completely irrelevant.
    – Corsaka
    Jan 31, 2020 at 15:06

1 Answer 1

9

Copper has a mining time of 1 second.

Electric mining drill has a mining speed of 0.5.

1/0.5 = 2 seconds per copper ore.

Steel furnace has a crafting speed of 2.

Copper plate has a production time of 3.2 seconds.

3.2/2 = 1.6 seconds per copper plate.

This means that there is 0.4 seconds where the furnace is not on, because the furnace is faster than the mining drill.

Sources:
https://wiki.factorio.com/Copper_ore
https://wiki.factorio.com/Mining
https://wiki.factorio.com/Steel_furnace

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