Mk2 to 1.25m Adapter

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Mk2 to 1.25m Adapter
Part image
Liquid fuel tank by
C7 Aerospace Division
Radial size Small, Mk2
Cost (total) 550.00 Fund
(dry) 366.40 Fund
Mass (total) 2.29 t
(dry) 0.29 t
Drag 0.1-0.2
Max. Temp. 2500 K
Impact Tolerance 50 m/s
Research Supersonic flight.png Supersonic Flight
Unlock cost 14600 Fund
Since version 0.25
Part configuration mk2Adapters
Lift generated 0.28
Liquid fuel tank
Liquid fuel 180 units of fuel
Oxidizer 220 units of fuel

The Mk2 to 1.25m Adapter (formerly Mk2 to size 1 Adapter) provides fuel to jet engines and rocket engines attached beneath it. It also serves as an attachment point for wings, fins, and landing gear. It provides a smooth Connection between Mk2 and 1.25 m radial size parts.


The MK2 To Small Size Adapter is a liquid fuel tank originally developed for the C7 Spaceplane pack, and has become a stock part since 0.15.0 and the introduction of the Spaceplane Hanger. With 0.25 it is now a Space Plane+ part as it is in GameData/Squad/SPP/.

It is mostly used for spaceplanes. This part offers a neat fit for the 1.25 m parts on the Mk2 fuselages end. These parts can be fuel tanks, SAS parts or command modules.

Product description

Generic Mk2 to Mk1 adapter.


  • New model and texture
  • Initial release