I have made Kinetic energy converter. And yes, I did made it up. BP includes entire rocket, and a small drone, staging has been done too but I don't know if it will transfer correctly
https://sharing.spaceflightsimulator.app/rocket/0e3_JhAHEe2fu3dcu4p9zg
I had to reenter Earth atmosphere multiple times because my return route was too high
(Order of images is reversed since that's the order in which Forum decided to put them)
When I tried to use your mod, nothing happened. Game was same as usual. Maybe I did something wrong, I don't know. There was not enough information on how use the mod