In Kerbal Space Program on the Mac, is there any way to load two saved rockets into one workspace in the Assembly Building? For example, I want to load the Heavy Orbiter with the Kerbal X in order to launch in to the Mun. How can I do this?

  • I have a feeling you have to save one of them as a sub-assembly and then open the other.
    – MBraedley
    Nov 8 '13 at 15:29
  • Could you please explain that in the form of an answer? Nov 8 '13 at 15:37
  • I'm at work right now, so can't provide a proper answer. I need to test the solution first.
    – MBraedley
    Nov 8 '13 at 15:45
  • 1
    Does the Mac version of KSP have any relevant differences such that this question requires the [os-x] tag? Nov 8 '13 at 18:23
  • Sorry, @vedantchandra, I didn't get a chance to test this out and now I'm away for the long weekend. Just go ahead and see if what I suggested works, and if so, problem solved.
    – MBraedley
    Nov 9 '13 at 6:06

As of version 0.22, this is possible with the newly-implemented subassemblies.

In Kerbal Space Program, each saved assembly (rocket, plane or subassembly for either) is stored as a .craft file in a subdirectory of the save folder ({KSP root}/saves/{name of save}/):

  • Ships/SPH for Space Plane Hangar constructions
  • Ships/VAB for Vehicle Assembly Building constructions
  • subassemblies/SPH and subassemblies/VAB for the subassemblies respectivley.

Subassemblies and normal vessels have almost no differences. There is, usually, no need to change anything about the save files - merely move them from one directory to the other.

However, a subassembly requires a free attachment node at the root part. You need to make sure (either through save editing or through in-game editing and saving) that the root part (that is, the part that you first placed and then connected everything else to) has *at least one free attachment node.

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