The default drag model in KSP is not very good. When it comes to building planes, however, the results are less than optimal. KSP at its heart is a game about building rockets, and it does that very well. In any case, there is no denying that MechJeb is an extremely powerful plugin with a great deal of utility.
Proponents espouse its reliability and ease of use while detractors say that it makes the game too easy or that people use it as a crutch. While its use as a timesaver is invaluable, its usage has a somewhat polarizing effect on the KSP community. maintain prograde, retrograde, node), landing guidance (from calculated landing zone to fully autonomous landing) and a docking autopilot. Other functions include attitude control (e.g. For example, instead of launching your rocket and controlling every aspect, you can instead program in a desired orbit altitude, turn on the autopilot, and MechJeb will do the necessary burns and staging to achieve orbit. MechJeb is a plugin that features several automation utilities that help to speed up/reduce the difficult of plotting and performing maneuvers. Below are some of the community’s top picks.
For a game that is still considered an alpha build, there has already been a massive outpouring of user generated content. Based on the criteria of sheer moddability and user-created content, Kerbal Space Program is an unmitigated success.