The best Kerbal Space Program mods 2021 for Propulsion

Propulsion

  KSP Interstellar Extended is a plugin for Kerbal Space Program, designed to encourage bootstrapping toward...
download KSP Interstellar ExtendedDownload
v2.7 By Winston & Kickasskyle Imgur Album Forum Thread v2.6 Teaser Petal Adapter demo: How to...
download KW Rocketry v2.7Download
  The mod is in the process of being updated for 1.0.x version of the game....
download B9 Aerospace 5.2.8Download
Recently updated with new VASIMR engine models and better functionality.  This pack contains electrostatic ion engines,...
download Near Future PropulsionDownload
       Please follow the video if you are unfamiliar with installing mods!  Otherwise Please...
download OPT Space Plane Parts V2.0Download
Please visit the KAX official KSP forum thread for more info and support: http://forum.kerbalspaceprogram.com/index.php?/topic/155448 Included Parts:...
download Kerbal Aircraft Expansion (KAX)Download
Recently updated with new functionality, balance and parts.  This pack contains electrical support parts for generating...
download Near Future ElectricalDownload
Latest information, craft files, and pictures are in the forums!   Album for my collection of...
download Airplane PlusDownload
Recently updated with many new and revised parts This pack is dedicated to space station/craft components. Currently...
download Near Future Spacecraft PartsDownload
SpaceY Heavy-Lifter Parts Pack     Cooperates with other mods: TweakScale FAR / NEAR AVC (Add-on...
download SpaceY Heavy Lifters Parts PackDownload