Persephone Furnace
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Sources
This building becomes available after the Mining 3 technology is learned at a University of Natural Philosophy and Mining 3 (Skill) skill.
Compare all Furnaces.
Cost
- 1 Aluminum Plate
? - 2500 Boards
? - 2500 Clay Bricks
? - 20 Copper Pipe
? - 50 Copper Sheeting
? - 15 Crucibles
? - 250 Cut Stone
? - 20 Fine Glass Pipe
? - 500 Gypsum
? - 40 Iron Bars
? - 40 Iron Strap
? - 200 Lime
? - 10 Pulley
? - 150 Steel Sheeting
? - 10 Thermometer
? - 10 Tin Sheeting
? - 2000 Water
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Built in a Medium Construction Site.
Use
Construction
To construct, place a Medium Construction Site at the desired location, then select Projects > Furnaces > Persephone Furnace.
It must be built 65 or more coordinates away from any other Persephone Furnace or Hades Furnace.
- If there is a Persephone Furnace or Hades Furnace up to 64 coordinates away, you will get a dialog box, "You must locate any water cooled furnace at least 64 coordinates from any other".
- Has to be 65 or more coords away in both north–south coordinate AND east-west coordinate
It must be built near a water source and away from a road
- If there is no water nearby, or if you construct too close to a road, you will get a dialog box, "Persephone Furnaces are cooled with water, and must be built near a natural source, and away from paths."
- A Water icon does not necessarily meet the requirements, and equally you can build where you don't get a water icon.
To prevent attempting to circumvent the distance restriction by constructing two furnaces at the same time or by repositioning it after construction, every time you fire a Persephone Furnace or Hades Furnace a check is made for any furnaces nearby. If there is another furnace 64 coords or less away, ALL affected furnaces will display in the main channel Operating a water cooled furnace too close to another causes it to become unstable. It will not operate when attempting to fire it.
Ecological Impact
Persephone furnaces have been observed creating a small amount of heavy metal pollution upon opening with a radius of 64 coordinates. This was observed with multiple types of metal in the furnace. This differs from prior tale observations, where persephone furnaces were considered to have no ecological impact.
Yield
Burns 28 petrol per day (28 ticks per day)
| Ore Used | Petrol Used | Metal Yield | Time opened | Ore Cost/Metal | Metal per Fuel |
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| 20,000 | 9 | 580 | 8 hours | ||
| 20000 | 28 | 1340 | 24 hours (1 day ) | 14.93 | 47.85 |
| 20000 | 56 | 2000 | 48 hours (2 days) | 10.00 | 35.71 |
| 20000 | 84 | 2400 | 72 hours (3 days) | 8.33 | 28.57 |
| 20000 | 140 | 2860 | 120 hours (5 days) | 6.99 | 20.42 |
| 20000 | 224 | 3200 | 192 hours (8 days) | 6.25 | 14.28 |
| 20000 | 450 | 3560 | 385 hours(16 days and 1 hour) | ~5.618 | 7.9 |
| 20,000 | 1,000 | 3,780 | 35 days, 17 hours, 8 minutes, 35 seconds |
Lower Ore gives a proportional reduction in metal, but take the same amount of time. 2,000 ore using 28 petroleum yields 134 metal after 1 day.
20,000 Ore will increase metal in steps of 20.
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