EP-12 Engine Plate

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EP-12 Engine Plate
Part image
Decoupler by
Rokea Inc

Radial size Small
Cost (total) 150.00 Funds
Mass (total) 0.05 t
Drag 0.2
Max. Temp. 2600 K
Volume  ?
Impact Tolerance 9 m/s
Research General construction.png General Construction
Unlock cost 1 500 Funds
Since version 1.4.1
Part configuration EnginePlate_5.cfg
Ejection momentum 2500 Ns

The EP-12 Engine Plate is the size small engine plate.


An engine plate has a configurable number of direct attachment nodes, from one to nine. These are primarily intended to allow attaching multiple smaller radial size engines.

The direct node options are single, dual, triple, quad, 4x1, 6x1, and 8x1. The "x1" designates a central node the others are arranged around.

It also has a single interstage node, spaced a configurable distance below the engine plate. This allows "rejoining" the branches into a single stack, distinguishing engine plates from stack adapters. In addition, the engine plate has the built-in ability to decouple from this lower node; a separate decoupler is not required.

Product description

Inspired by an upside down birthday cake. Now with added shrouds for windy days. For clustering multiple small engines on small tanks.

FLOOYD Dynamics Research Labs


As of version 1.5 this engine plate has a different mass and cost per variant.

Variant Cost
Short 9 0.052
Medium-Short 16 0.055
Medium 23 0.057
Medium-Long 28 0.060
Long 39 0.062


  • Gave each variant a different mass and cost
  • Initial Release