View source for EM-Rail Ejector

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==Summary==

The EM-Rail Ejector is used to propel [[Solar_Sail|Solar Sails]] into an orbit around a star to form a[[Dyson_Sphere#The_Dyson_Swarm| Dyson swarm]].

In order to launch a Solar Sail, the EM-Rail Ejector must have direct line of sight to the point the Solar Sail will occupy in the swarm. Therefore, players usually construct EM-Rail Ejectors at the poles of the planet, to ensure continuous operation.

==Required Technology==

==Production Chain==
{{ProductionChainTable/head}}
{{ProductionChain
|Building=Assembler
|Replicator=Yes
|Technology=Solar Sail Orbit System
|Recipe=           
  {{ItemRecipe
    |Out1=EM-Rail Ejector
    |Out1Qty=1
    |CraftTime=6 s
    |In1=Steel
    |In1Qty=20
    |In2=Gear
    |In2Qty=20
    |In3=Processor
    |In3Qty=5
    |In4=Super-Magnetic Ring
    |In4Qty=10
    }}
  }}
|}

==Total Raw Materials==
{|
|{{RecipeItem|ItemName=Iron Ore|ItemCount=330}}
|{{RecipeItem|ItemName=Copper Ore|ItemCount=60}}
|{{RecipeItem|ItemName=Silicon Ore|ItemCount=40}}
|{{RecipeItem|ItemName=Coal|ItemCount=20}}
|}

==Player Tips & Tricks==
The pitch angle (vertical angle) must be between 5 degrees and 60 degrees to allow firing. When the pitch angle is outside these ranges, the EM-Rail Ejector glows orange instead of blue, and the "Target Status" info will read "{{glow|Pitch limit}}" instead of "Active". 

Additionally, the line of sight to the targeted Solar Sail position cannot be blocked by a celestial body (which may commonly occur on satellites of gas giants). 

A sorter can take excess Solar Sails from the EM-Rail Ejector so that they can be fed into another Rail Ejector, either via a conveyor belt or directly.

==Historical==
Prior to [[Patch Notes/0.6.15.5636|Patch 0.6.15.5636]], the recipe was:
{{ProductionChainTable/head}}
{{ProductionChain
|Building=Assembler
|Replicator=Yes
|Technology=Solar Sail Orbit System
|Recipe=           
  {{ItemRecipe
    |Out1=EM-Rail Ejector
    |Out1Qty=1
    |CraftTime=6 s
    |In1=Steel
    |In1Qty=20
    |In2=Gear
    |In2Qty=20
    |In3=Processor
    |In3Qty=5
    |In4=Super-Magnetic Ring
    |In4Qty=20
    }}
  }}
|}

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