Observations on fuel usage and solar items.

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Disclaimer: The following are merely observations and may not be completely accurate.


fuelEfficiency is a delay in ticks before fuel in your reactor is consumed.

The higher fuelEfficiency is, the less often fuel is consumed, and the more efficient your reactor is.

Playership without any reactor installed has a default fuelEfficiency of 15.

There are 30 ticks per second. With fuelEfficiency of 15, fuel is consumed twice per second.

Playership without any devices installed consumes 5 fuel per check. In other words, life support is worth 0.5 MW.

Example: Starter Wolfen has fuelEfficiency of 15 and maxFuel 25000. If it uses 10 MW per second, it consumes 100 fuel twice per second, or 200 per second. With maxFuel of 25000, it will run out of fuel after 125 seconds of sustained 10 MW usage.


Solar panel array has a refuel stat of 60.

photoRecharge property found on solar armor (seemingly) grants armor a refuel stat of 100.

When sitting over the center of a star, ship recovers fuel equal to combined refuel stat of all installed items multiplied by 3.333.

Example: A ship with a solar panel array and resting over a star will recover 200 fuel per second... and consume some fuel.