Difference between revisions of "Chemfuel powered generator"

Revision as of 06:25, 23 November 2022

The chemfuel powered generator produces power from chemfuel. The generator is an exact analog to the wood-fired generator, only the type of fuel is different.

Acquisition

Chemfuel powered generators can be constructed once the Electricity research project has been completed. They require 100 Steel, 3 Components, 2,500 ticks (41.67 secs) of work, and a Construction skill of 6.

Once constructed, a chemfuel generator cannot be moved, it can only be deconstructed.

Summary

The chemfuel powered generator consumes 4.5 chemfuel per day and generates a constant 1000W as long as it is switched on and fueled. It can hold up to 30 fuel at a time, for a maximum run time of 6.66 days. Fuel consumption is not dependent on how much power is actually drawn. Fuel has to be delivered to the generator by a hauler colonists. It can be switched off; in the off state it will neither consume fuel nor produce power.

Light & heat

It outputs light in a 6 tile radius, with the nearest 3.485 tiles being above 50% light level and considered lit. Note that the light source is centered at the bottom-left tile of the generator, rather than the "true" center of the generator.

It heats at a rate of 6 heat per second^{[Exact mechanic unclear]}. Unlike many other heat sources, it does not appear to have a maximum temperature and will continue to heat up rooms indefinitely.^{[Confirmation needed]}.

Explosion

If it is damaged below one third of its hitpoints, or 100 HP, it has a chance^{[What chance?]} to explode. The generator will spark and emit a hissing sound shortly before exploding between 70 ticks (1.17 secs) and 150 ticks (2.5 secs) later. The explosion deals 10 Flame damage in a radius around itself that depends on the quantity of fuel in the generator. At 0 fuel, the explosion has a radius of 0 and only destroys the generator, and expanding this radius proportional to the square root of the fuel times 0.95 up to a maximum radius of 5.34 tiles when fully fueled. This explosion leaves Chemfuel puddles which will then ignite and burn.

Analysis

Chemfuel generators are compact, can be placed anywhere, and offer a consistent source of power, making it one of the easiest generators to use. Most other power sources scale much worse; due to their resource or space constraints, using large quantities quickly becomes difficult.

Generators require maintenance, both to create the chemfuel and to actually refuel the generator. The exact amount of work depends on which source of chemfuel is used - infinite chemreactors are very limited, but require no work to create. In general, any source of chemfuel is less work than what a wood-fired generator takes:

With Biofuel Refining, chemfuel generators consume 9 wood per day, less than a wood-fired generator's 22 per day. Converting chemfuel takes time, but harvesting trees (without growing) takes longer when you consider the time to walk and haul. When actually growing plants, using corn takes much less work than cultivating your own trees.

Fuel economy

Using boomalopes for fuel

A boomalope produces, at most, 11 chemfuel per day. This takes 400 ticks (6.67 secs) of work before modifiers.

In theory, a boomalope can fuel ~2.44 generators (in practice, 2), and a herd of 9 boomalope can fuel 22 generators indefinitely. Milking is not an instant process, so it is difficult to reach the optimal amount.

Using the Infinite Chemreactor

The Infinite chemreactor is a world quest item that generates 75 chemfuel every ten days (effectively 7.5 chemfuel per day) at a cost of 300 watts and no work. This is more than enough to power a single chemfuel powered generator, providing a net +700 watts of power, while leaving 30 chemfuel after a 10 day cycle (an average of 3 excess/day). 3 infinite chemreactors are exactly enough to power 5 chemfuel generators, providing an excess of 4,100 watts of power (5,000w -900w).

Assuming a small buffer of chemfuel to start, this is easily attainable, because the supply side is reliable, and refueling can be done well in advance.

Growing plants for fuel

Chemfuel generators together with hydroponics greenhouses and biofuel refineries produce a significant net energy profit, if the colonist workforce is available to run the setup. The (simplified) conversion chain is

Power (for greenhouse) → food (for refinery) → chemfuel (for generator) → power

A lot of excess power is generated at the end of the chain.

A single hydroponics basin can produce ~0.61 raw nutrition per day (growing rice, and assuming a perfect grow operation). This converts into ~6.1 chemfuel per day at a biofuel refinery. Therefore, the produce from a single basin fuels about 1.3 chemfuel generators. This is not attainable in practice, but will serve as a guideline. Theoretically, a single hydroponics basin lit by a sun lamp (in a group of 24 basins) uses 130W of power on average, including the sun lamp (190W if you assume day-time power draw). This results in a theoretical net gain in energy of about 870W (810W during the day) per dedicated hydroponics basin. However, the power draw of the refinery is not taken into account (it can be micro-managed if chemfuel is produced in batches, and will not play a big role in the overall economy).

With adequate batteries to handle the day-night cycle of sun lamps, 3.1 generators are needed to power a full hydroponics setup, which will require ~14.1 chemfuel per day, or about 2.3 hydroponics basins dedicated to producing rice to turn into chemfuel. This means that with 4 generators, you can grow plants in 21 of the 24 hydroponics basins for free, with an average of 870W of power spare. Note that this assumes 100% harvest efficiency - as harvest efficiency decreases at higher difficulties, the number of basins that must be dedicated to chemfuel production will increase in direct proportion.

Corn can also be grown to feed chemfuel generators, with 8.6 tiles of corn plant in 100% fertility soil needed for each generator.

Version history

Beta 18 - Added.
1.1.0 - Refueling is now toggleable.

Architect

Power: Power conduit (Hidden, Waterproof) • Power switch • Wood-fired generator • Chemfuel powered generator • Wind turbine
(research): Battery • Geothermal generator • Solar generator • Watermill generator • Toxifier generator • Bioferrite generator
(uncraftable): Vanometric power cell • Unstable power cell
Related: Ship reactor • Electroharvester

@@ Line 50: / Line 50: @@
 Chemfuel generators are compact, can be placed anywhere, and offer a consistent source of power, making it one of the easiest generators to use. Most other power sources ''scale'' much worse; due to their resource or space constraints, using large quantities quickly becomes difficult.
-Generators require maintenance, both to create the chemfuel and to actually refuel the generator. The exact amount of work depends on which source of chemfuel is used - [[infinite chemreactor]]s are very limited, but require no work to create. In general, any source of chemfuel is less work than what a [[wood-fired generator]] takes.
+Generators require maintenance, both to create the chemfuel and to actually refuel the generator. The exact amount of work depends on which source of chemfuel is used - [[infinite chemreactor]]s are very limited, but require no work to create. In general, any source of chemfuel is less work than what a [[wood-fired generator]] takes:
 With [[Research#Biofuel Refining|Biofuel Refining]], chemfuel generators consume {{icon small|wood}} 9 [[wood]] per day, less than a [[wood-fired generator]]'s {{icon small|wood}} 22 per day. Converting chemfuel takes time, but harvesting trees (without growing) takes longer when you consider the time to walk and haul. When actually growing plants, using [[corn]] takes much less work than cultivating your own trees.
@@ Line 56: / Line 56: @@
 ===Fuel economy===
 ==== Using boomalopes for fuel ====
-A [[boomalope]] produces, at most, {{icon small|chemfuel}}{{#show:Boomalope|?Daily Milk Average#}} chemfuel per day. In theory, a boomalope can fuel ~{{#expr:{{#show:Boomalope|?Daily Milk Average#}}/4.5 round 2}} generators (in practice, 2). In theory, a herd of 9 boomalope can fuel {{#expr:{{#show:Boomalope|?Daily Milk Average#}}/4.5*9 round 1}} generators indefinitely, but difficult to obtain because milking is not an instant process.
+A [[boomalope]] produces, at most, {{icon small|chemfuel}}{{#show:Boomalope|?Daily Milk Average#}} chemfuel per day. This takes {{ticks|400}} of work before modifiers.
+In theory, a boomalope can fuel ~{{#expr:{{#show:Boomalope|?Daily Milk Average#}}/4.5 round 2}} generators (in practice, 2), and a herd of 9 boomalope can fuel {{#expr:{{#show:Boomalope|?Daily Milk Average#}}/4.5*9 round 1}} generators indefinitely. Milking is not an instant process, so it is difficult to reach the optimal amount.
 ==== Using the Infinite Chemreactor ====
-The [[Infinite chemreactor]] is a world quest item that generates {{icon small|chemfuel}}75 chemfuel every ten days (effectively {{icon small|chemfuel}}7.5 chemfuel per day) at a cost of 300 watts. This is more than enough to power a single chemfuel powered generator, providing a net +700 watts of power, while leaving {{icon small|chemfuel}}30 chemfuel after a 10 day cycle (an average of 3 excessday). 3 infinite chemreactors are exactly enough to power 5 chemfuel generators, providing an excess of 4,100 watts of power (5,000w -900w).
+The [[Infinite chemreactor]] is a world quest item that generates {{icon small|chemfuel}}75 chemfuel every ten days (effectively {{icon small|chemfuel}}7.5 chemfuel per day) at a cost of 300 watts and no work. This is more than enough to power a single chemfuel powered generator, providing a net +700 watts of power, while leaving {{icon small|chemfuel}}30 chemfuel after a 10 day cycle (an average of 3 excess/day). 3 infinite chemreactors are exactly enough to power 5 chemfuel generators, providing an excess of 4,100 watts of power (5,000w -900w).
 Assuming a small buffer of chemfuel to start, this ''is'' easily attainable, because the supply side is reliable, and refueling can be done well in advance.