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Hi Orbinauts, I've just completed a lenghty study of the book Orbital Mechanics for Engineering Students (Curtis). It gives great explanations for delta-V computations of various orbital maneuvers we are all familiar with. However, on the question of ascent profiles, there is only a small...

Hi Orbinauts, I would like to have the auxiliary engines of the Shuttle-A have keyboard controls similar to the main engines (e.g. Ctrl+ +, Ctrl + -); is this possible? I can probably figure it, but would just like to know if this is possibe before I start digging. Kind regards

Hi Orbinauts, I am doing some practice flight planning from first-principles, i.e. using my own calculations with a python script and not punching numbers into MFDs. Looking at the ideal rocket equation, I'd like to know the specific impulse of the main engines of the DG and Shuttle-A, and...

Greetings, space travelers! After many years away, I am dusting off my Orbiter epaulettes... Wow, so many developments since I last played Orbiter - D3D9, an open source repository, and so much more. Amazing. I am starting clean slate on a new Windows computer: Downloaded Orbiter2016 and...