TD-12 Decoupler

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TD-12 Decoupler
Part image
Decoupler by
O.M.B. Demolition Enterprises

Radial size Small
Cost (total) 200.00 Funds
Mass (total) 0.04 t
Drag 0.2
Max. Temp. 2000 K
Volume  ?
Impact Tolerance 6 m/s
Research Engineering 101.png Engineering 101
Unlock cost 1 600 Funds
Since version 1.4
Part configuration Decoupler_1.cfg
Ejection momentum 1000 Ns
Testing Environments
On the surface Yes
In the ocean Yes
On the launchpad Yes
In the atmosphere Yes
Sub orbital Yes
In an orbit Yes
On an escape Yes
Docked No
Test by staging Yes
Manually testable No

The TD-12 Decoupler is a decoupler that allows for staging rockets vertically and in sequence. This part replaced the older TR-18A Stack Decoupler, but works essentially the same and has a shorter visual profile.


The TD-12 adds a stage to the rocket and when activated will jettison with anything attached below it. Unlike the TS-12 Stack Separator, the TD-18 remains affixed to one side of the rocket - the side facing away from the arrow on the decoupler. It is primarily used for jettisoning spent stages or drop tanks attached with a 1.25m node.

Product description

The TD-12 Stack Decoupler is equipped with a (hopefully) small explosive charge, that will sever the structural linkage between itself and whatever it's connected to. Painted on its sides are handy arrows indicating which side will detach

O.M.B. Demolition Enterprises

Related Parts

TD-12 stack decoupler arrow.png


  • Initial release