Hello everyone! I have a problem with my own part created in Blender and exported using PartTools for Unity. As in the topic it's a jet engine. Everything is all right until building in VAB and SPH, but when I want to fly my ship ,it doesn't move. Please help me! My engine model: Whole part: https://www.dropbox.com/s/a9x0qfne4ts7pwx/Turbo%20Jet%20Engine%202.rar?dl=1