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  • Kerbal Space Program
  • 61,168 Monthly Downloads
  • Supports: 1.0.4
  • 995,738 Total Downloads
  • Updated 07/06/2015
  • Created 05/06/2014
  • 1,777 Favorites
  • Project Site
  • Comments
  • Release Type: Release
  • License: GNU Lesser General Public License version 3 (LGPLv3)
  • Newest File: MechJeb 2.5.3 for KSP 1.0.4
Support development! **

About MechJeb

Usage instructions:

Add either the AR202 surface-attached case from the Control tab or the MechJeb pod from the Pods tab to one of your vessels.Then use the button on the right side of the screen to access MechJeb window selection interface, and click on the buttons to activate the windows. The windows can be dragged anywhere on screen, and their position is saved and reused among all rockets.



KSP Forum thread

Online Manual

Support Requests

Fix a bug that prevented MJ to control some ship with 2.5.2. Sorry about that one.


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  • #424

    I registered just so i can post this: 



  • #425

    is it so hard to scroll down like.. a few lines and see therse an online manual, a thread full of info, and a support request link? you registered to make this comment, but you couldnt just read for like 5 seconds?

  • #423

    Please stop disabling SAS after using MJ (Warp Helper, etc)

  • #422


  • #421

    Iam a bit lost here, not one file ive downloaded from this site has any read me files with the download or on their page. can i get some advice please what am i doing wrong?

  • #420

    Thanks for great mod.

    Wouldn't mind if there were smaller Astromech-sized and formed (R2D2 doh!) and even smaller HAL-9000 eye versions of the part. :)

  • #419

    Spent the better part of my day trying to get two ships (stock station core and a pod) to dock, only to have the retarded autopilot get both witihn a meter of each other before causing both to spin out of control. Nice to know this bullshit mod hasn't been fixed even after two whole game updates, seeing as how I went through the trouble of downgrading back to 1.0.2. Surprise, shit still doesn't work, and it's probably fair to say it never will.

  • #418

    Am i missing something? I see no install instructions anywhere with this mod... the ingame mods link brings me back to the kerbal space home page on this site...

  • #414

    I have a second monitor.  Is there any way to move the mod windows to another monitor?  So that they are not cluttering up the main screen.

  • #417

    interesting idea. The problem would be that the mechjeb operates in the same window as Kerbal, so there would not be a way to separate the two... at least not that I know of

  • #413

    The newest version of Mechjeb seems to come without a fair amount of the previous features... or am I missing something?

  • #416

    you must be missing something. Check the R&D?


    Working great for me!

  • #408
    MechJeb "Limit to Terminal Velocity" not working

    Recently, MechJeb's "Limit to Terminal Velocity" function simply stopped working for me

    • I am NOT using FAR or Deadly Reentry.
    • I have deleted, re-downloaded and re-installed the mod in the GameData folder.
    • I have reset the mod to factory defaults.

    No matter what I do, this setting is ignored. I have not removed ALL mods excpet for MechJeb, but that may be next.

  • #409

    Yeah that is one feature not fuixed yet.  The new aerodynamics really threw a gorilla wrench into the calculations for terminal velocity

  • #411

    I see there's been a new version uploaded since I posted this, so I will see if that addresses the problems I have been having.


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