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TR-18D Stack Separator

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TR-18D Stack Separator
Part image
Separator by
O.M.B. Demolition Enterprises
Radial size Small
Cost (total) 600.00 Fund
Mass (total) 0.08 t
Drag 0.2
Max. Temp. 2000 K
Impact Tolerance 9 m/s
Research Specialized construction.png Specialized Construction
Unlock cost 7200 Fund
Since version 0.18
Part configuration decouplerSeparatorTR-18D
Ejection momentum 2500 Ns
On the surface ✓ Yes
On the ocean ✓ Yes
In atmosphere ✓ Yes
In space ✓ Yes
Test by staging ✓ Yes
Manually testable × No

The TR-18D Stack Separator is a Separator that allows for staging rockets vertically and in sequence.


The TR-18D adds a stage to the rocket and when activated will release the separator as well as anything attached to it, much like the TR-2C. Unlike normal decouplers, separators come free from both sides, leaving the decoupler floating.

Product description

Unlike Decouplers, Separators jettison everything attached to them. This new technology was very well received by rocket engineers everywhere. Not bad for something that started out as a failure for a controlled explosive bolt prototype.


  • Initial release