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Now I have finally fixed the first error in my crosssection settings. But as more or less expected the problem of the "No lift" airfoil is still present. Does someone have an idea how to check if at least the drag component is calculated correctly or if it's a legacy drag calculation? I really...

Hey Brian J, Thank you very much. That's great. Than I'm not completely wrong! I should keep it in my head that the mesh does not have any effect on the flight physics. I now checked the crosssections and they are not handled correclty at the moment. I will have to fix this first to see if...

Hey n72.75, thank you for your answer. I'm well aware of this fact. I'm familiar with the basics of aerodynamics from my studies of aerospace engineering. I guess it fails at the understanding of the parameter calling of the createairfoil command or the way orbiter calculates the wing area S...

Hello again :tiphat: I'm trying to resolve or understand an issue I have with the airfoils. Again... I don't seem to understand them very well. At the moment I'm trying to model, a rotationally symmetrical blunt reentry vehicle like the Soyuz or Apollo capsule, which control their range by...

Thank you again, that helped a lot to understand the functionality of the airfoil.

Hello you guys, I'm trying to implement the lift of a rotationally symmetric blunt reentry vehicle, with a shifted CoG. It should be possible to flatten or steepen the flight route by rotating the vessel, thereby changing the position of the CoG and creating or reducing lift, depending on the...

Thank you very much for your fast and very helpful reply! I think I can make it work now.

Thank you martins for the clarification! So as a result if I want to get parameters like Roll, Pitch, Yaw over the complete simulation from the same reference system, I can't use the APIs for it, because their reference point is shifted out of the symmetry axis (z-axis) of my rotational...

Seems like it :oh: Thank you all for your fast help

As far as I understand the API description to these options, both lead to a translation of the initial vessel coordinate system in the new CoG. Only difference is, the handling of the meshes/dockingports/etc. Please correct me if I'm wrong. At the moment I'm trying to set up a transformation...

Heyho :tiphat: a new question came up. I try to establish a local vessel reference frame/coordinate system which is not dependent on the CoG of the vessel. This is necessary to move my CoG without moving my local vessel coordinate system. This sound probably very stupid, but is this at all...

Hi blacek, thank you for your answer. In the meantime I solved my problem. It was a total rookie mistake with pointer initialisation. The problem was in the program part, which I didn't post here. To be able to use the functions/methods of the reentry system class in the main programm...

Hey you all,:tiphat: I am new to the orbiter-forum and programming own parts and started a few days ago. I already checked the forum for solutions. But I didn't get to solve the problem. So now I'm here and hope you can help me. At the moment I want to create a ReentrySystem which can call...