wave = {
    "Effects/Aircrafts/Bf-109K-4/Cockpit/Sw4_Down1",
    "Effects/Aircrafts/Bf-109K-4/Cockpit/Sw4_Down2",
    }
inner_radius = 10
outer_radius = 100
pitch_random = 0.015
gain_random = 0.15
gain = 0.27