mass, force and tire load

[ghiboz]

thanks, here is my config:

Code:

[engine]
position = 0.0, 1.42, -0.4
mass = 180.0
max-power = 248318
peak-engine-rpm = 6750.0
rpm-limit = 7000.0
inertia = 0.25
idle = 0.02
start-rpm = 1000
stall-rpm = 400
fuel-consumption = 1e-9
torque-friction = 0.0003
torque-curve-00 = 1000, 166.26
torque-curve-01 = 2000, 175.75
torque-curve-02 = 2250, 190.66
torque-curve-03 = 2500, 192.02
torque-curve-04 = 2750, 187.95
torque-curve-05 = 3000, 196.08
torque-curve-06 = 3250, 201.51
torque-curve-07 = 3500, 208.29
torque-curve-08 = 3750, 213.71
torque-curve-09 = 4000, 220.49
torque-curve-10 = 4250, 219.13
torque-curve-11 = 4500, 215.07
torque-curve-12 = 4750, 225.91
torque-curve-13 = 5000, 238.11
torque-curve-14 = 5250, 224.56
torque-curve-15 = 5500, 223.2
torque-curve-16 = 5750, 219.13
torque-curve-17 = 6000, 216.42
torque-curve-18 = 6250, 212.35
torque-curve-19 = 6500, 196.08
torque-curve-20 = 6750, 187.95
torque-curve-21 = 7000, 186.59

[clutch]
sliding = 0.27
radius = 0.15
area = 0.75
max-pressure = 40000.0

[transmission]
gears = 5
gear-ratio-r = -4.23
gear-ratio-1 = 3.72
gear-ratio-2 = 2.40
gear-ratio-3 = 1.77
gear-ratio-4 = 1.26
gear-ratio-5 = 1.00
shift-time = 0.07

[differential-rear]
final-drive = 3.9
anti-slip = 600.0

[fuel-tank]
position = 0.0, -0.26, -0.56
capacity = 70.0
volume = 70.0
fuel-density = 0.8

[camera]
view-position = -0.35, -0.25, 0.42
hood-mounted-view-position = 0.0, 1.0, 0.45

[wing-front]
position = 0.0, 0.0, 0.2
frontal-area = 2.0
drag-coefficient = 0.3

[wing-center]
position = 0.0, 1.9, 0.60
frontal-area = 0.2
drag-coefficient = 0.0
surface-area = 0.3
lift-coefficient = -0.5
lift-efficiency = 0.95

[wing-rear]
position = 0.0, -2.14, 0.37
frontal-area = 0.05
drag-coefficient = 0.0
surface-area = 0.5
lift-coefficient = -2
lift-efficiency = 0.95

[wheel.fl.coilover]
spring-constant = 50000
bounce = 2500
rebound = 7600
travel = 0.15
anti-roll = 6000

[wheel.fr.coilover]
spring-constant = 50000
bounce = 2500
rebound = 7600
travel = 0.15
anti-roll = 6000

[wheel.rl.coilover]
spring-constant = 40000
bounce = 2250
rebound = 6800
travel = 0.15
anti-roll = 4000

[wheel.rr.coilover]
spring-constant = 40000
bounce = 2250
rebound = 6800
travel = 0.15
anti-roll = 4000

[wheel.fl.brake]
texture = rotor_worn.png
friction = 0.83
max-pressure = 2.8e6
bias = 0.7
radius = 0.1135
area = 0.015

[wheel.fr.brake]
texture = rotor_worn.png
friction = 0.83
max-pressure = 2.8e6
bias = 0.7
radius = 0.1135
area = 0.015

[wheel.rl.brake]
texture = rotor_worn.png
friction = 0.83
max-pressure = 3.5e6
bias = 0.3
radius = 0.1135
area = 0.015
handbrake = 1.5

[wheel.rr.brake]
texture = rotor_worn.png
friction = 0.83
max-pressure = 3.5e6
bias = 0.3
radius = 0.1135
area = 0.015
handbrake = 1.5

[wheel.fl.tire]
size = 195, 50, 15
type = &tire/touring

[wheel.fr.tire]
size = 195, 50, 15
type = &tire/touring

[wheel.rl.tire]
size = 195, 50, 15
type = &tire/touring

[wheel.rr.tire]
size = 195, 50, 15
type = &tire/touring

[wheel.fl.hinge]
wheel = -0.71, 1.34, -0.49
chassis = 0.66, 1.34, -0.16

[wheel.fr.hinge]
wheel = 0.71, 1.34, -0.49
chassis = -0.66, 1.34, -0.16

[wheel.rl.hinge]
wheel = -0.71, -1.21, -0.49
chassis = 0.66, -1.21, -0.16

[wheel.rr.hinge]
wheel = 0.71, -1.21, -0.49
chassis = -0.66, -1.21, -0.16

[wheel.fl]
position = -0.71, 1.34, -0.49
camber = -1.33
caster = 6.12
toe = 0.5
ackermann = 8.86    # 50% ackermann
steering = 45

[wheel.fr]
position = 0.71, 1.34, -0.49
camber = 1.33
caster = 6.12
toe = -0.5
ackermann = -8.86
steering = 45

[wheel.rl]
position = -0.71, -1.21, -0.49
camber = -0.45
caster = 0.28
toe = 0.0

[wheel.rr]
position = 0.71, -1.21, -0.49
camber = 0.45
caster = 0.28
toe = 0.0

[steering]
position = -0.37, 0.44, 0.09
rotation = 87.5, 0.0, 0.0
max-angle = 320

[driver]
position = 0.0, 0.023, 0.4
mass = 80.0

# these are used to calculate the weight distribution and balance
[particle-00]
mass = 160.0
position = 0.6, 1.34,-0.4

[particle-01]
mass = 160.0
position = -0.6, 1.34, -0.4

[particle-02]
mass = 250.0
position = 0.6, -1.2, -0.4

[particle-03]
mass = 250.0
position = -0.6, -1.2, -0.4

a question, after some navigation into code I noticed that the force of the spring depends by the displacement, but the displacement, how is calculed depending by the mass?