Decoupler and separator

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Decouplers are parts that separate stages of rockets either vertically or radially.

Some types of vertical decouplers, such as the TR-2C Stack Separator and TR-18D Stack Separator, separate on both sides, whereas others, such as the TR-18A Stack Decoupler, remain attached to one side of the rocket (the side facing away from the arrow on the decoupler).

Radial decouplers, such as the TT-70 Radial Decoupler, attach to the sides of a rocket and eject stages horizontally. This can be useful for setting up Asparagus Staging, among other uses.

Image Part Radial size Cost
(Funds)
Mass
(t)
Max. Temp.
(K)
Tolerance
(m/s)
Tolerance
(g)
Ejection impulse
(kgF∙s)[Note 1]
TT-38K.png
TT-38K Radial Decoupler Radial mounted 600 0.025 2 000 8 50 250
TT-70.png
TT-70 Radial Decoupler Radial mounted 700 0.05 2 000 8 50 260
TT38K flat.png
Hydraulic Detachment Manifold Radial mounted 770 0.4 2 000 8 50 450
TD-06.png
TD-06 Decoupler Tiny 150 0.01 2 000 6 150 50
TD-12.png
TD-12 Decoupler Small 200 0.04 2 000 6 150 100
TD-25.png
TD-25 Decoupler Large 300 0.16 2 000 6 150 150
TD-37.png
TD-37 Decoupler Extra large 375 0.36 2 000 6 150 200
TS-06.png
TS-06 Stack Separator Tiny 215 0.01 2 000 6 150 50
TS-12.png
TS-12 Stack Separator Small 275 0.05 2 000 6 150 100
TS-25.png
TS-25 Stack Separator Large 400 0.21 2 000 6 150 150
TS-37.png
TS-37 Stack Separator Extra large 500 0.48 2 000 6 150 200
  1. In the game the values are without unit, but by the physics their "missing unit" is equal with 1 kgF∙s.