Mk-33 CKAN

Parts inspired by the X-33/VentureStar

License: Config files are GPLV3, all art assets are All Rights Reserved

Game Version: 1.12.3

Source code: Angel-125/Mk-33

Downloads: 8,875

Author: Angel125

Mod Website: Forum Thread

Followers: 63

Information Changelog Stats

The X-33 was a sub-orbital technology demonstrator for the larger Lockheed Martin VentureStar single-stage-to-orbit reusable launch vehicle. It was created with the goal of significantly reducing the cost of sending payloads to orbit and to approach airline-like turnaround times between launches. Unfortunately, the X-33 was cancelled in 2001, but this specialized parts kit lets you build a similar craft for KSP. Features include:

Parts to make your own X-33 inspired (NOT A REPLICA) SSTO or something more kerbal.

Optimized for JNSQ, but works fine in stock scale- just empty the forward and aft tanks for stock scale.

Custom launchpad parts for immersive game play.

REQUIRES NO PLUGINS OR MODS, but it can support DockRotate, KSP-DepthMask, ModuleManager, Servo-Controller, Snacks, Wild Blue Decals, Wild Blue Tools, and more.

Version 1.2.1 for Kerbal Space Program 1.12.3

Released on 2022-06-21

  • The Mk-33 Nose Cone is now animated and can open and close like its docking nose cone cousin.

Download (99.41 MiB)

Version 1.2.0 for Kerbal Space Program 1.12.3

Released on 2022-06-20

Waterfall configs by Roger

Download (95.64 MiB)

Version 1.1.2 for Kerbal Space Program 1.12.3

Released on 2021-10-15

Fixed issue where the Mk-33 Krew Module wasn't able to dock with the Clamp-O-Tron docking port (or any size1 port).

Download (82.78 MiB)

Version 1.1.1 for Kerbal Space Program 1.12.2

Released on 2021-08-04

New Parts (requires Breaking Ground DLC, Kerbal Attachment System recommended)

  • Payload Crane: This payload crane enables you to hoist payloads in and out of the Mk-33 payload bay.
  • Payload Crane Control Cab: This single-occupant command pod is designed to operate with the payload crane.
  • Payload Crane Docking Piston: This specialized robotics part is designed to adjust the height at which the crane can dock to the Mk-33.
  • LY-C2 Crane Wheel: This retractable wheel enables you to drive the Payload Crane around.


  • Updated for KSP 1.12 support. You can still fly in KSP 1.11.2.
  • Increased lift on the probe core, forward tank, and cockpit.
  • Added stock cargo capacity to the Mk-33 Airlock.
  • Added optional Snacks support to the Extras folder.
  • Recalibrated the cryogenic engines patch for Classic Stock Resources. It is calibrated to deliver a maximum of 20.5 tonnes into a 250km orbit in JNSQ.
  • Recalibrated the cryogenic engines patch for Community Resource Pack. It is calibrated to deliver a maximum of 20.5 tonnes into a 250km orbit in JNSQ.

Download (80.85 MiB)

Version 1.0 for Kerbal Space Program 1.11.2

Released on 2020-09-21

No changelog provided

Download (83.78 MiB)

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