Parameter | Default/Example | Definition |

aelChordCoef | 10.0 | Aileron coefficient that amplifies the ael force. Used together with wingChord coefficient to simulate what proportion the aileron is to the wing chord wise. If chord wise wing to aileron is proportion 3:2, use wingChordCoef = 3n and aelChordCoef=2n where n=1,2,3.... experiment with n aelRate 100.0- used in easy setup to adjust aileron rate |

aelCoef | 0.2 | Lift coefficient for the aileron surface |

aelExpo | 0.0 | Used in easy setup to adjust aileron expo rate (-1<x<1) |

aelWashCoef | 1.2 | Lift coefficient for the aileron in the prop washstream. |

bodyCGCoef | 1.0 | The same as wingCGCoef, but for the body if you consider the plane body to be a wing. It is important for flying knife edge and overall plane behavior when tail sliding. The corresponding related coefficient is ruderCoef. |

bodyCrashDrag | 50.0 | The drag for plane parts touching the ground |

colisionRotDegCoef | 0.1 | Use 0.1 to simulate taxing on smooth surface, or 0.2 to 0.3 to bounce when taxing on uneven surface 0<x<lt;x<x<lt;1 |

dihedralCoef | 1.0 | Coefficient describing wing dihedral. Higher for higher dihedral. 0 to 3-4 |

dihedralFlag | 0.0 | Enable dihedral flag, 0=disable,1=enable |

dihedralRudCoef | 1.0 | Rudder to elevator coupling, makes plane leans when rudder applied |

elevCoef | 4.0 | Lift coef for the elevator surface |

elevCompCoef | 1.0 | Adds slight up trim so plane flies level, higher the more up trim it is (0 to 5-6) |

elevCompFlag | 1.0 | Enable elevator compensation (0=disable, 1=enable) |

elevExpo | 0.0 | Used in easy setup to adjust elevator expo rate (-1<x<1) |

elevRate | 100.0 | Used in easy setup to adjust elevator rate |

elevRotInertiaCoef | 0.99 | Damping coefficient for stability when hovering, 0<c<=1, keep close to 1. |

elevWashCoef | 30.0 | Lift coefficient for the elevator in the prop wash stream. |

fieldOfView | 40.0 | Camera field of view in degrees. Higher number pans out, lower zooms in. |

frontDragCoef | 0.12 | Front drag coefficient. Limits the top model speed at given thrust, also slows down model when gliding and define glide path (together with wingDragCoef) |

gearDrag | 20.0 | Gear wheel drag (how fast the model slows down when landed) |

gearSideDrag | 13.0 | Gear side force (how wheels resists sideway movements) |

gravity | 9.8 | Earth gravity, use 1.5 to fly on the moon. |

highWingCoef | 1.0 | How low is the engine thrust line under the wing, 0=thrust aligned with the wing, 1 to 3-4 the engine is lower. Makes plane to pitch up after applying power. |

highWingFlag | 0.0 | 0=disable highWing simulation, 1=enable |

initModelPos | 2.0 0.02 -5.0 | Sets initial model position |

initModelRot | 0.0 2.5132742 0.0 | Sets initial model rotation |

initSpeedVect | 0.0 0.0 0.0 | Sets initial model speed vector (for hand launch) |

landBounceCoef1 | 0.21 | Gear bounce coefficient when plane touches the ground under landSpeed speed, do not set lower than this. |

landBounceCoef2 | 0.61 | Gear bounce coefficient when plane touches the ground above landSpeed speed 0<x<lt;x<x<lt;1 |

landSpeed | 6.0 | Used in simulation ground handling, use 8 for big planes 3-5 for very light and slow flying planes |

landXCoef | 4.0 | Force used to simulate landing/ground crash, tricky to set, use form similar plane |

landYCoef | 1.0 | Force used to simulate landing/ground crash, tricky to set, use form similar plane |

landZCoef | 1.0 | Force used to simulate landing/ground crash, tricky to set, use form similar plane |

liftConst | 3.0 | Const that resize all surface size. Plane with liftConst=4 has 2 times lower wing loading than plane with liftConst=2. Note that lower liftConst makes all flying surfaces less effective (ailerons, elevators etc) Use together with modelMass to get exact behavior. The modelMass will provide mass simulation behavior like model inertia at turns, liftConst defines how big the wing is. Note: wingDragCoef is related to liftConst. Use wingDragCoef= 1/2 from the liftConst, or be very careful and experiment with other values. |

loadRealModel | 1.0 | Keep always to 1 |

maxAelerRate | 7.2 | Max rotation rate in radians per second that ailerons can induce. Note than 7.2 is 360 deg/sec, 14.2 is two rotation per seconds etc. |

maxRolRate | 100.0 | Max rotation rate on X axis in radians per second |

maxRotRate | 100.0 | Max rotation rate on Y in radians per second |

maxScaleDist | 600.0 | After "maxScaleDist" meters, the program stops doubling plane in size. |

maxSpeed | 35.0 | Max. prop speed for the model. Note: that a model may not come close to the prop top speed if the body or wing drag is high |

maxThrust | 700.0 | The prop thrust in kN |

maxTumbleRate | 100.0 | Max rotation rate on Z axis in radians per second |

modelMass | 15.0 | Model mass in kg |

modelName | Edge540-25.ac | The ac file name with the model |

modelType | 1.0 | 0=helicopter, 1=plane. Never change this, or the program will crash. Helicopters use completely different params file. |

paramModelName | PlaneParamModel.ac | the name of the parameter model that defines all simulated surfaces. Do not modify. |

pBodyCG | -0.5 | Body center of gravity. Negative is moving CG forward. 0 is not necessary neutral CG. Experiment! |

pElev | 2.1044579 | ?? |

planeType | 0.0 | 0=gas, 1=electric. Electric planes have smoke disabled and prop stops at low throttle. |

pRuder | 2.4273665 | ?? |

pWingCG | 0.9 | Wing center of gravity. Negative is moving CG forward. 0 is not necessary neutral CG. Experiment! |

ruderCoef | 4.0 | Lift coefficient for the rudder surface |

ruderExpo | 0.0 | Used in easy setup to adjust ruder expo rate (-1<x<1) |

ruderRate | 100.0 | Used in easy setup to adjust ruder rate |

ruderRotInertiaCoef | 0.99 | Damping coefficient for stability when hovering, 0<c<=1, keep close to 1. |

ruderWashCoef | 100.0 | Lift coefficient for the rudder in the prop wash stream. |

scaleDist | 300.0 | To keep the model visible, the program doubles the model in size every "scaleDist" meters. |

slowSpeed | 8.985001 | Define model stall speed. Used in modeling of ground effects and glean bouncing at landing. For most models should be 8, for very slow flying models 3-5 |

smokeExostPoint | -0.1 -0.26 0.0 | The point on the model where the smoke originate |

smokeExostVect | 10.0 -4.0 0.0 | Direction for the smoke |

stallCoef | 0.15 | Uses shifting center of lift on the wing to simulate stall wing drops, value is 0.1 to 0.5, set by experimenting |

tailDrager | 1.0 | 1= tail dragger, 0= nose wheel. Used in ground handling. Plane must have properly named wheels. |

textureMode | 2.0 | Use 2, can be integer from 0 to 40, too hard to explain |

tRolCoef | 4.0 | ?? |

tRolFlag | 1.0 | ?? |

tRolSpeedLimit | 5.0 | ?? |

useModelInitPos | 0.0 | If set to 1, will set init model position from initModelPos and initModelRot if set to 0, will set init model position from landscape params file. |

vertCrashSpeed | 4.0 | defines vertical speed above which touching the ground will result in crash. |

wingCGCoef | 1.0 | Goes together with elevCoef. Higher elevCoef+lower wingCGCoef = Lower evelCoef + higherwingCGCoef for elevator agility. If you want the plane to snap fast when doing tail slides, go with Lower evelCoef + higherwingCGCoef, if you want plane to tail slide quite a bit, go with Higher elevCoef+lower wingCGCoef |

wingChordCoef | 10.0 | Drag coefficient for induced drag when the wing rotates during roll |

wingDragCoef | 1.1 | The drag for the wing. Set it to liftConst/2 for start, then experiment. For example, gliders have low wing drag, biplanes high |

wingStallDeg | 35.0 | The stall degree for the wing. Some Delta Wings may have stall deg. up to 90 deg. For aerobatic planes use 20-45, or if you want expressed wing stall, use 12-13. |

wingTipCrashDrag | 20.0 | The drag if wingtip touches the ground |

xResistanceCoef | 3.0 | ?? |

xRotMass | 3.0 | Model mass distribution along x axis, affects aileron response and ground handling |

yResistanceCoef | 5.0 | ?? |

yRotMass | 1.0 | Model mass distribution along y axis, affects rudder response and ground handling |

zResistanceCoef | 3.0 | ?? |

zRotMass | 1.0 | Model mass distribution along z axis, affects elevator response and ground handling |