wave = "Effects/Aircrafts/Engines/PackardMerlinProp/Prop2"
inner_radius = 30
outer_radius = 300
cone_inner_angle = 60
cone_outer_angle = 30
cone_outer_gain = 0.2
direction = {0, 0, 1}
position = {2, 0, 0}
gain = 1.35
pitch = 0.68