larcsim uiuc uiuc-ornithopter Aircraft/UIUC/ornithopter true Aircraft/ornithopter/Sounds/ornithopter-sound.xml Aircraft/c172/Panels/c172-vfr-panel.xml true Aircraft/c172/Panels/c172-trans-mini-panel.xml Aircraft/ornithopter/Models/ornithopter-8-4-model.xml /orientation/gamma-horiz-deg