wave = {
	"Effects/Aircrafts/Engines/PackardMerlinProp/ExSmPop1",
	"Effects/Aircrafts/Engines/PackardMerlinProp/ExSmPop2",
	"Effects/Aircrafts/Engines/PackardMerlinProp/ExSmPop3",
	"Effects/Aircrafts/Engines/PackardMerlinProp/ExSmPop4",
	}
inner_radius = 25
outer_radius = 500
detached = true
pitch_random = 0.1
gain_random = 0.1
gain = 0.5
pitch = 0.8