It's an Effect. It's in the ParticleSystem.INI in the FlightData.Cat.
[EmitterType029]
Name=MGSmokeEmitter <<<<< MG meaning Main Gear.
EffectLevel=1
EmissionType=ORIENTED_EMITTER
UpdateType=NON_MOVING
MaxVisibleDistance=4000.000000
EmissionRate=0.06000
EmissionVolume=0.010000,0.010000,0.010000
EmissionVelocityTableType=CONSTANT
EmissionVelocity=0.000000,30.000000,0.000000
EmissionVelocityDeviation=0.1000000
ParticleUpdateType=SIMPLE_POINT
ParticleRenderType=SPRITE
ParticleRandomOrientation=TRUE
ParticleLifeTime=2.000000
ParticleLifeTimeDeviation=0.50000
ParticleWeight=-1.00000
ParticleRandomness=0.100000
ParticleDragFactor=1.000000
ParticleInheritence=0.700000
ParticleWindFactor=1.0
ParticleColorTableType=LINEAR
ParticleColorStart=1.0000000,1.0000000,1.00000,0.200000
ParticleColorEnd=0.8000000,0.8000000,1.00000,0.000000
ParticleSizeTableType=TABLE
ParticleSize[01].Time=0.000000
ParticleSize[01].Value=0.400000
ParticleSize[02].Time=0.200000
ParticleSize[02].Value=1.50000
ParticleSize[03].Time=0.500000
ParticleSize[03].Value=3.000000
ParticleSize[04].Time=1.000000
ParticleSize[04].Value=6.000000
BaseSizeDeviation=0.4
TextureMaterial=SmokeMaterial
One can always make multiple types of Effects off this one.... But I haven't found an .INI that controls it. AircraftObject.ini should have had something...But I didn't find anything yet...
331KillerBee