# Steam Turbine (LEGACY)

File: `data/hbm/hbm/machine_config/steamturbine.json`. Settings load when the world opens. See [Datapack Settings](https://movblock.mov/ntm-next/26.3/wiki/settings.md) for replacement behavior.

## Fields

| Field | Meaning and default | Range |
| - | - | - |
| `efficiency` | Multiplier on the steam cooling trait’s turbine efficiency; default `0.85`. | `[0, f64::MAX]` |
| `input_tank_capacity` | Input fluid tank capacity in mB; default `64000`. | `[0, i32::MAX]` |
| `maximum_steam_per_tick` | Maximum steam processed each tick, in mB; default `6000`. | `[0, i32::MAX]` |
| `output_tank_capacity` | Output fluid tank capacity in mB; default `128000`. | `[0, i32::MAX]` |
| `power_capacity` | Machine HE buffer capacity; default `1000000`. | `[0, i64::MAX]` |

## Example

```json
{
  "efficiency": 0.85,
  "input_tank_capacity": 64000,
  "maximum_steam_per_tick": 6000,
  "output_tank_capacity": 128000,
  "power_capacity": 1000000
}
```