Solar Sail

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Solar Sail
End Product
Use the EM-Rail Ejector to launch a large number of solar sails to form Dyson Swarm, which can effectively obtain the radiant energy of stars.
Icon Solar Sail.png
Life5400 s
Made InAssembler
Hand-makeReplicator
Stack Size200

Icon Solar Sail.png
2
4 s
Icon Graphene.png
1
Icon Photon Combiner.png
1

Summary

Solar Sails are consumable items required for the creation of dyson swarms. They are used in the EM-Rail Ejector to launch them into orbit around a star. The energy collected by Solar Sails can only be collected using a Ray Receiver.

Solar Sails have a limited lifespan of 5400s. This can be upgraded to up to 9000s by researching Solar Sail Life.

The energy generated by a solar sail depends on the star luminosity. Unlike real life, the energy generated does not depend on the distance to the star. Around a star with a luminosity of 1 a single Solar Sail generates 36 kW. While on the other hand, when they'are absorbed into a dyson sphere, every structure point gives you 96 kW and solar cell ~15 kW, both multiplied by luminosity.

A single EM-Rail Ejector firing continuously can maintain a maximum of 1800 Solar Sails in orbit with their default lifespan of 5400s. Around a star with a luminosity of 1 this will generate 64.8 MW

Production Chain

Recipe Building Replicator? Technology
Icon Solar Sail.png
2
4 s
Icon Graphene.png
1
Icon Photon Combiner.png
1
Icon Assembling Machine Mk.I.pngIcon Assembling Machine Mk.II.pngIcon Assembling Machine Mk.III.png
Tech Solar Sail Orbit System.png

Total Raw Materials

Costs per 4 sails:

Using Fire Ice (also produces 2 hydrogen):

Icon Iron Ore.png
2
Icon Copper Ore.png
1
Icon Stone.png
12
Icon Fire Ice.png
2

Using Sulfuric Acid:

Icon Iron Ore.png
2
Icon Copper Ore.png
1
Icon Stone.png
12
Icon Coal.png
6
Icon Sulfuric Acid.png
1

Using Oil and Water (also produces 0.75 hydrogen):

Icon Iron Ore.png
2
Icon Copper Ore.png
1
Icon Stone.png
14
Icon Coal.png
6
Icon Crude Oil.png
1.5
Icon Water.png
1

Using Optical Grating Crystal and Fire Ice (also produces 2 hydrogen):

Icon Iron Ore.png
2
Icon Copper Ore.png
1
Icon Fire Ice.png
2
Icon Optical Grating Crystal.png
2

Used In

Recipe Building Replicator? Technology
Icon Dyson Sphere Component.png
1
8 s
Icon Frame Material.png
3
Icon Solar Sail.png
3
Icon Processor.png
3
Icon Assembling Machine Mk.I.pngIcon Assembling Machine Mk.II.pngIcon Assembling Machine Mk.III.png
Tech High-Strength Lightweight Structure.png

Player Tips & Tricks

Since Solar Sails have a limited lifespan, the power production of a dyson swarm is dependent on the supply of new Solar Sails into orbit. If you stop producing or launching solar sails, the swarm's power generation will decrease as sails expire, until it reaches 0.


If you want to produce a certain stable amount of power, you must be producing and launching a certain number of solar sails per minute. The equation to calculate this is

Solar Sails Per Minute = ( Power ) / (Lifetime of Solar Sail * Star Luminosity * 600)

For example, say we want to produce 50MW (or 50 000 000 W). We haven't upgraded our solar sails yet, so their lifetime is the base 5400 seconds. Our star luminosity is 0.75. Therefore, we could need (50 000 000)/(5400 * 0.75 * 600) = 20.57 solar sails being produced and launched per minute, or about 1 per 3 seconds.