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02-04-2010, 02:45 PM,
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CrystalH
Member
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Posts: 113
Threads: 9
Joined: Feb 2010
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Easy drifting cars (.car files)
Hi, I've been playing the original, but the cars do not drift much, nor easily.
So I modified an existing car's parameters (a lot), until I found it comfortable and much more playable.
This "3S.car" file is for the "Mazda 3" car (short name 3S), links:
http://cars.vdrift.net/node/7
or
http://vdrift.svn.sourceforge.net/viewvc...a/cars/3S/
Just replace the original 3S.car file with this.
The tire settings give a feeling somewhere between wet tarmac and gravel, the car can even drift a circle in place, on full throttle and steer, at 2nd gear. (It can be made even more sleepy by lowering a3 for tires e.g. to 375).
Code: drive = AWD
version = 2
[ steering ]
max-angle = 22.1
[ engine ]
position = 0.0, 0.4, -0.1
mass = 70.0
max-power = 659360
peak-engine-rpm = 6500
rpm-limit = 7000.0
inertia = 0.25
idle = 0.08
start-rpm = 1000
stall-rpm = 400
fuel-consumption = 1e-9
torque-friction = 0.0001
torque-curve-00 = 1000, 525.4
torque-curve-01 = 2000, 538.95
torque-curve-02 = 2500, 562.0
torque-curve-03 = 3000, 566.07
torque-curve-04 = 3300, 579.63
torque-curve-05 = 3500, 593.19
torque-curve-06 = 3800, 694.54
torque-curve-07 = 3900, 601.32
torque-curve-08 = 4000, 604.03
torque-curve-09 = 4100, 606.75
torque-curve-10 = 4200, 608.10
torque-curve-11 = 4400, 604.03
torque-curve-12 = 4600, 595.9
torque-curve-13 = 4900, 579.63
torque-curve-14 = 5500, 533.53
torque-curve-15 = 6000, 498.28
torque-curve-16 = 6300, 471.16
torque-curve-17 = 7000, 450.83
[ clutch ]
sliding = 0.27
radius = 0.15
area = 0.75
max-pressure = 93000
[ transmission ]
gears = 6
gear-ratio-r = -3.43
gear-ratio-1 = 3.72
gear-ratio-2 = 2.40
gear-ratio-3 = 1.77
gear-ratio-4 = 1.36
gear-ratio-5 = 1.02
gear-ratio-6 = 0.78
shift-delay = 0.02
[ differential ]
final-drive = 3.21
anti-slip = 400.0
[ fuel-tank ]
position = -0.1, -0.2, -0.26
capacity = 100.0
volume = 100.0
fuel-density = 0.08
[ suspension-front ]
spring-constant = 60000.0
bounce = 5000.0
rebound = 7500.0
travel = 0.12
max-compression-velocity = 10.0
camber = -1.33
caster = 0.32
toe = 0.0
anti-roll = 36000.0
[ suspension-rear ]
spring-constant = 55000.0
bounce = 4000.0
rebound = 6000.0
travel = 0.12
max-compression-velocity = 10.0
camber = -0.45
caster = 0.28
toe = 0.2
anti-roll = 12000.0
[ tire-front ]
radius = 0.31
rolling-resistance = 1.3e-2, 6.5e-6
rotational-inertia = 10.0
tread = 0.0
#-------- Lateral force
a0=1.45 # Shape factor A0
a1=-96 # Load infl. on lat. friction coeff (*1000) (1/kN) A1
a2=3645 # Lateral friction coefficient at load = 0 (*1000) A2
a3=475 # Maximum stiffness (N/deg) A3
a4=21 # Load at maximum stiffness (kN) A4
a5=0.013 # Camber influence on stiffness (%/deg/100) A5
a6=-0.34 # Curvature change with load A6
a7=0.14 # Curvature at load = 0 A7
a8=0.019 # Horizontal shift because of camber (deg/deg) A8
a9=-0.019 # Load influence on horizontal shift (deg/kN) A9
a10=-0.18 # Horizontal shift at load = 0 (deg) A10
a111=-11 # Camber influence on vertical shift (N/deg/kN) A11.1
a112=-0.021 # Camber influence on vertical shift (N/deg/kN**2) A11.2
a12=0.98 # Load influence on vertical shift (N/kN) A12
a13=-2.4 # Vertical shift at load = 0 (N) A13
#-------- Longitudinal force
b0=1.65 # Shape factor B0
b1=-190.0 # Load infl. on long. friction coeff (*1000) (1/kN) B1
b2=3145 # Longitudinal friction coefficient at load = 0 (*1000) B2
b3=23.3 # Curvature factor of stiffness (N/%/kN**2) . B3
b4=700.0 # Change of stiffness with load at load = 0 (N/%/kN) B4
b5=0.0 # Change of progressivity of stiffness/load (1/kN) B5
b6=0.0068 # Curvature change with load B6
b7=0.055 # Curvature change with load B7
b8=-0.024 # Curvature at load = 0 B8
b9=0.014 # Load influence on horizontal shift (%/kN) B9
b10=0.26 # Horizontal shift at load = 0 (%) B10
b11=-86 # Load influence on vertical shift (N/kN) B11
b12=350 # Vertical shift at load = 0 (N) B12
#--------- Aligning moment
c0=2.10 # Shape factor C0
c1=-3.9 # Load influence of peak value (Nm/kN**2) C1
c2=-3.9 # Load influence of peak value (Nm/kN) C2
c3=-1.26 # Curvature factor of stiffness (Nm/deg/kN**2) C3
c4=-8.20 # Change of stiffness with load at load = 0 (Nm/deg/kN) C4
c5=0.025 # Change of progressivity of stiffness/load (1/kN) C5
c6=0.0 # Camber influence on stiffness (%/deg/100) C6
c7=0.044 # Curvature change with load C7
c8=-0.58 # Curvature change with load C8
c9=0.18 # Curvature at load = 0 C9
c10=0.043 # Camber influence of stiffness C10
c11=0.048 # Camber influence on horizontal shift (deg/deg) C11
c12=-0.0035 # Load influence on horizontal shift (deg/kN) C1
c13=-0.18 # Horizontal shift at load = 0 (deg) C13
c14=0.14 # Camber influence on vertical shift (Nm/deg/kN**2) C14
c15=-1.029 # Camber influence on vertical shift (Nm/deg/kN) C15
c16=0.27 # Load influence on vertical shift (Nm/kN) C16
c17=-1.1 # Vertical shift at load = 0 (Nm) C17c0=2.2
#---------
[ tire-rear ]
radius = 0.31
rolling-resistance = 1.3e-2, 6.5e-6
rotational-inertia = 10.0
tread = 0.0
#-------- Lateral force
a0=1.45 # Shape factor A0
a1=-96 # Load infl. on lat. friction coeff (*1000) (1/kN) A1
a2=3645 # Lateral friction coefficient at load = 0 (*1000) A2
a3=475 # Maximum stiffness (N/deg) A3
a4=21 # Load at maximum stiffness (kN) A4
a5=0.013 # Camber influence on stiffness (%/deg/100) A5
a6=-0.34 # Curvature change with load A6
a7=0.14 # Curvature at load = 0 A7
a8=0.019 # Horizontal shift because of camber (deg/deg) A8
a9=-0.019 # Load influence on horizontal shift (deg/kN) A9
a10=-0.18 # Horizontal shift at load = 0 (deg) A10
a111=-11 # Camber influence on vertical shift (N/deg/kN) A11.1
a112=-0.021 # Camber influence on vertical shift (N/deg/kN**2) A11.2
a12=0.98 # Load influence on vertical shift (N/kN) A12
a13=-2.4 # Vertical shift at load = 0 (N) A13
#-------- Longitudinal force
b0=1.65 # Shape factor B0
b1=-190.0 # Load infl. on long. friction coeff (*1000) (1/kN) B1
b2=3145 # Longitudinal friction coefficient at load = 0 (*1000) B2
b3=23.3 # Curvature factor of stiffness (N/%/kN**2) . B3
b4=700.0 # Change of stiffness with load at load = 0 (N/%/kN) B4
b5=0.0 # Change of progressivity of stiffness/load (1/kN) B5
b6=0.0068 # Curvature change with load B6
b7=0.055 # Curvature change with load B7
b8=-0.024 # Curvature at load = 0 B8
b9=0.014 # Load influence on horizontal shift (%/kN) B9
b10=0.26 # Horizontal shift at load = 0 (%) B10
b11=-86 # Load influence on vertical shift (N/kN) B11
b12=350 # Vertical shift at load = 0 (N) B12
#--------- Aligning moment
c0=2.10 # Shape factor C0
c1=-3.9 # Load influence of peak value (Nm/kN**2) C1
c2=-3.9 # Load influence of peak value (Nm/kN) C2
c3=-1.26 # Curvature factor of stiffness (Nm/deg/kN**2) C3
c4=-8.20 # Change of stiffness with load at load = 0 (Nm/deg/kN) C4
c5=0.025 # Change of progressivity of stiffness/load (1/kN) C5
c6=0.0 # Camber influence on stiffness (%/deg/100) C6
c7=0.044 # Curvature change with load C7
c8=-0.58 # Curvature change with load C8
c9=0.18 # Curvature at load = 0 C9
c10=0.043 # Camber influence of stiffness C10
c11=0.048 # Camber influence on horizontal shift (deg/deg) C11
c12=-0.0035 # Load influence on horizontal shift (deg/kN) C1
c13=-0.18 # Horizontal shift at load = 0 (deg) C13
c14=0.14 # Camber influence on vertical shift (Nm/deg/kN**2) C14
c15=-1.029 # Camber influence on vertical shift (Nm/deg/kN) C15
c16=0.27 # Load influence on vertical shift (Nm/kN) C16
c17=-1.1 # Vertical shift at load = 0 (Nm) C17c0=2.2
#---------
[ brakes-front ]
friction = 0.9
max-pressure = 3.0e6
bias = 0.35
radius = 0.1397
area = 0.01
[ brakes-rear ]
friction = 0.9
max-pressure = 3.0e6
bias = 0.65
radius = 0.1397
area = 0.01
handbrake = 1.8
[ driver ]
position = -0.38, 0.023, 0.1
mass = 80.0
view-position = -0.38, 0.023, 0.5
hood-mounted-view-position = 0.0, 1.0, 0.45
[ drag ]
position = 0.0, 0.0, -0.60
frontal-area = 2.0
drag-coefficient = 0.35
[ wing-front ]
position = 0, 2.34, -0.6
frontal-area = 0.2
drag-coefficient = 0
surface-area = 0.3
lift-coefficient = -0.5
efficiency = 0.95
[ wing-rear ]
position = 0, -2.14, 0.37
frontal-area = 0.2
drag-coefficient = 0
surface-area = 0.5
lift-coefficient = -0.5
efficiency = 0.95
[ wheel-FR ]
position = 0.76, 1.28, -0.42
roll-height = 0.2
mass = 30.0
restitution = 0.1
[ suspension-FR ]
position = 0.60, 1.28, -0.07
hinge = -0.71, 0.55, -0.0
[ wheel-FL ]
position = -0.76, 1.28, -0.42
roll-height = 0.2
mass = 30.0
restitution = 0.1
[ suspension-FL ]
position = -0.60, 1.28, -0.07
hinge = 0.71, 0.55, 0.0
[ wheel-RR ]
position = 0.76, -1.31, -0.42
roll-height = 0.2
mass = 30.0
restitution = 0.1
[ suspension-RR ]
position = 0.60, -1.31, -0.07
hinge = -0.25, -1.94, 0.0
[ wheel-RL ]
position = -0.76, -1.31, -0.42
roll-height = 0.2
mass = 30.0
restitution = 0.1
[ suspension-RL ]
position = -0.60, -1.31, -0.07
hinge = 0.25, -1.94, 0.0
[ contact-points ]
# used to find the bounds of the car (for collisions)
# also play into the weight distribution and balance
mass = 1.1
position-00 = 1.35, 0.0, -0.4
position-01 = 1.3, 1.58, -0.4
position-02 = 1.3, -1.58, -0.4
position-03 = 1.14, 0.86, -0.4
position-04 = 1.14, -0.86, -0.4
position-05 = 1.0, 0.96, -0.4
position-06 = 1.0, -0.96, -0.4
position-07 = 1.3, 1.54, 0.42
position-08 = 1.3, -1.51, 0.42
position-09 = -1.37, 1.51, -0.4
position-10 = -1.37, -1.55, -0.4
position-11 = -1.29, 0.43, -0.33
position-12 = -1.29, -0.43, -0.33
position-13 = -1.36, 0.30, -0.20
position-14 = -1.36, -0.30, -0.20
position-15 = -1.3, 1.44, 0.51
position-16 = -1.3, -1.44, 0.51
# these are used to calculate the weight distribution and balance
[ particle-00 ]
mass = 225
position = 1.11, -1.3, -0.12
[ particle-01 ]
mass = 225
position = -1.11, -1.3, -0.12
[ particle-02 ]
mass = 225
position = 1.11, 1.3, -0.12
[ particle-03 ]
mass = 225
position = -1.11, 1.3, -0.12
[ particle-04 ]
mass = 3
position = 1.11, -1.32, 0.22
[ particle-05 ]
mass = 3
position = 1.11, 1.32, 0.22
[ particle-06 ]
mass = 3
position = -1.11, -1.32, 0.22
[ particle-07 ]
mass = 3
position = -1.11, 1.32, 0.22
[ particle-08 ] # Chassis Front
mass = 13
position = 0.0, 1.5, -0.15
[ particle-09 ] # Cooler front
mass = 10
position = -0.0, 1.5, -0.25
[ particle-10 ] # Chassis left
mass = 16
position = 0.75, 0, -0.10
[ particle-11 ] # Chassis right
mass = 16
position = -0.75, 0, -0.10
[ particle-12 ] # Motor Env. left
mass = 6
position = 0.7, -1.10, -0.0
[ particle-13 ] # Motor Env. right
mass = 6
position = -0.7, -1.10, -0.0
[ particle-14 ] # Interieur
mass = 12
position = 0.00, 0.60, -0.10
[ particle-15 ] # Chassis top
mass = 8
position = 0.00, -0.30, 0.36
[ particle-16 ] # Joker
mass = 6
position = -0.00, 1.0, -0.20
[ particle-17 ] # gearbox
mass = 5
position = 0.00, -1.75, -0.25
[ particle-18 ] # Chassis rear
mass = 8
position = 0.00, -1.80, -0.0
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