Structural Pylon

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Structural Pylon
Part image
Decoupler by
C7 Aerospace Division
Cost (total) 125.00 Funds
Mass (total) 0.20 t
Drag 0.2
Max. Temp. 2000 K
Impact Tolerance 70 m/s
Research High altitude flight.png High Altitude Flight
Unlock cost 6 800 Funds
Since version 0.15
Part configuration structuralPylon
Ejection momentum 2500 Ns
Testing Environments
On the surface Yes
In the ocean Yes
On the launchpad Yes
In the atmosphere Yes
Sub orbital No
In an orbit No
On an escape No
Docked No
Test by staging Yes
Manually testable No

The Structural Pylon is a radial decoupler intended for use on spaceplanes. It is not much different from the TT-38K Radial Decoupler (other than a lower ejection force); however, it has a much more sturdy and aerodynamic look to it. Even though it has been intended for placement on spaceplane fuselages, it still can work very well on vertical space vessels. It had a strangely high impact tolerance before the 1.0 update.

Despite their sturdy appearance, joints using structural pylons are very flexible. This can be exploited to create all-stock rotor bearings.

Product description

A structural Pylon for engine Support. Designed to fit against fuselages, and hull bodies. Comes Equipped with emergency bolts to separate jet engines in the event of fire or catastrophic failure. (Not covered by warranty)

Differences with normal decouplers

Structural pylon icon.png

The part configuration for this part has two special properties. Although the impact tolerance is set to 999 there is a comment that it used to be 20. Two decoupler specific definitions are commented out, which result in a blank icon in the staging sequence. It is also the only decoupler that does not leave a visible residue.


  • Retextured
  • Initial release