# Engine definition. Dimensional keys state their units.
schema_version = 2
id = "six-long"
name = "3.0 litre / long-stroke inline six"
category = "Inline six"
description = "Unequal primaries / small junctions / staged collectors / EFI"
order = 25
cycle = "four_stroke"

[simulation]
cells_per_meter = 20.0

[engine]
bank_angle_deg = 60.0
cylinders = 6
initial_rpm = 1400.0
initialize_phased_charge = true
layout = "inline"
maximum_load_torque_nm = 30.0
minimum_substeps = 1
phase_degrees = [0.0, 240.0, 480.0, 120.0, 600.0, 360.0]
pipe_damping = 0.0
starter_torque_nm = 74.93359
throttle_diameter_mm = 65.0
topology = "staged"

[cylinder]
afr = 14.7
ambient_temperature_k = 300.0
bore_mm = 86.0
burn_duration_deg = 60.0
burn_start_deg = 5.0
compression = 10.0
energy_variation = 0.05
exhaust_valve_count = 1
exhaust_valve_diameter_mm = 27.52
fuel_lhv_j_per_kg = 4.4e+07
heat_transfer = 100.0
intake_valve_count = 1
intake_valve_diameter_mm = 32.68
misfire_probability = 0.0
rod_mm = 154.8
stroke_mm = 86.0
wall_area = 0.02
wiebe_a = 5.0
wiebe_m = 2.0

[crankshaft]
friction_constant_nm = 11.98938
friction_quadratic_nm_s2 = 0.0
friction_viscous_nm_s = 0.01198938
inertia_kg_m2 = 0.3596812

[ecu]
idle_base_opening = 0.05
idle_control = "feedback"
idle_ki = 4e-05
idle_kp = 0.0001
idle_max_opening = 0.25
idle_minimum_advance_deg = -5.0
idle_rpm = 1000.0
idle_spark_gain = 0.02
ignition_map = [[0.0, 10.0], [15000.0, 40.0]]
overrun_cut_rpm = 3500.0
overrun_fuel_cut_enabled = true
overrun_ignition_cut_enabled = false
overrun_resume_rpm = 2400.0
power_afr = 12.8
rev_limit_enabled = true
rev_limit_fuel_cut_enabled = true
rev_limit_rpm = 7000.0
rev_resume_rpm = 6750.0
stoichiometric_afr = 14.7
throttle_closing_rate = 0.0
throttle_closing_time_constant_s = 0.0
throttle_rate = 1000.0
throttle_time_constant_s = 0.001

[vehicle]
air_density = 1.225
clutch_capacity = 659.4156
clutch_engagement_rate = 8.0
drag_coefficient = 0.7
final_drive_ratio = 2.7
frontal_area = 0.65
gear_ratios = [4.1, 2.7, 2.0, 1.55, 1.25, 0.98]
gravity = 9.80665
mass_kg = 1400.0
primary_reduction = 1.8
rolling_resistance = 0.015
rotational_inertia_kg_m2 = 1.2
wheel_radius_mm = 320.0

[fuel]
system = "injection"

[junctions]
h_pipe = true

[[pipes]]
id = "intake"
diameter_mm = 75.0

[[pipes]]
id = "runners"
count = 6
diameter_mm = 35.0

[[pipes]]
id = "primary_1"
diameter_mm = 38.0

[[pipes]]
id = "primary_2"
diameter_mm = 38.0

[[pipes]]
id = "primary_3"
diameter_mm = 38.0

[[pipes]]
id = "primary_4"
diameter_mm = 38.0

[[pipes]]
id = "primary_5"
diameter_mm = 38.0

[[pipes]]
id = "primary_6"
diameter_mm = 38.0

[[pipes]]
id = "tailpipe_13"
diameter_mm = 60.0

[[pipes]]
id = "secondary_14"
diameter_mm = 48.0

[[pipes]]
id = "secondary_15"
diameter_mm = 48.0

[cam.intake]
points = [
  [0.000, 0.000000],
  [340.000, 0.000000],
  [345.000, 0.156314],
  [350.000, 0.590029],
  [355.000, 1.248307],
  [360.000, 2.078310],
  [365.000, 3.027200],
  [370.000, 4.042138],
  [375.000, 5.070285],
  [380.000, 6.058803],
  [385.000, 6.954854],
  [390.000, 7.705600],
  [395.000, 8.258202],
  [400.000, 8.559821],
  [402.500, 8.600000],
  [527.500, 8.600000],
  [532.500, 8.443686],
  [537.500, 8.009971],
  [542.500, 7.351693],
  [547.500, 6.521690],
  [552.500, 5.572800],
  [557.500, 4.557862],
  [562.500, 3.529715],
  [567.500, 2.541197],
  [572.500, 1.645146],
  [577.500, 0.894400],
  [582.500, 0.341798],
  [587.500, 0.040179],
  [590.000, 0.000000],
  [720.000, 0.000000]
]

[cam.exhaust]
points = [
  [0.000, 0.000000],
  [130.000, 0.000000],
  [135.000, 0.130350],
  [140.000, 0.493218],
  [145.000, 1.046327],
  [150.000, 1.747401],
  [155.000, 2.554165],
  [160.000, 3.424343],
  [165.000, 4.315658],
  [170.000, 5.185836],
  [175.000, 5.992600],
  [180.000, 6.693674],
  [185.000, 7.246783],
  [190.000, 7.609651],
  [195.000, 7.740001],
  [325.000, 7.740001],
  [330.000, 7.609651],
  [335.000, 7.246783],
  [340.000, 6.693674],
  [345.000, 5.992600],
  [350.000, 5.185836],
  [355.000, 4.315658],
  [360.000, 3.424343],
  [365.000, 2.554165],
  [370.000, 1.747401],
  [375.000, 1.046327],
  [380.000, 0.493218],
  [385.000, 0.130350],
  [390.000, 0.000000],
  [720.000, 0.000000]
]

[valves.intake]
mass_g = 35.0
spring_rate_n_per_mm = 38.0
damping_n_s_per_m = 24.0
seat_force_n = 75.0
maximum_lift_mm = 15.0
seat_restitution = 0.005
cam_restitution = 0.01
stop_restitution = 0.01

[valves.exhaust]
mass_g = 35.0
spring_rate_n_per_mm = 38.0
damping_n_s_per_m = 24.0
seat_force_n = 75.0
maximum_lift_mm = 15.0
seat_restitution = 0.005
cam_restitution = 0.01
stop_restitution = 0.01

[valve_sound]
mode_hz = 3600.0
effective_mass_g = 180.0
radiation_area_cm2 = 10.0
damping_ratio = 0.9

[[geometry.cylinders]]
origin_mm = [ -260, 0, 0 ]
tilt_deg = 0.0

[[geometry.cylinders]]
origin_mm = [ -156, 0, 0 ]
tilt_deg = 0.0

[[geometry.cylinders]]
origin_mm = [ -52, 0, 0 ]
tilt_deg = 0.0

[[geometry.cylinders]]
origin_mm = [ 52, 0, 0 ]
tilt_deg = 0.0

[[geometry.cylinders]]
origin_mm = [ 156, 0, 0 ]
tilt_deg = 0.0

[[geometry.cylinders]]
origin_mm = [ 260, 0, 0 ]
tilt_deg = 0.0

# intake
[[geometry.pipes]]
index = 0
points_mm = [
  [ -512, 199.3556, -361.7999 ],
  [ -312, 199.3556, -361.7999 ]
]

# runners 1
[[geometry.pipes]]
index = 1
points_mm = [
  [ -260, 199.3556, -284.3999 ],
  [ -260, 199.3556, -34.4 ]
]

# runners 2
[[geometry.pipes]]
index = 2
points_mm = [
  [ -156, 199.3556, -284.3999 ],
  [ -156, 199.3556, -34.4 ]
]

# runners 3
[[geometry.pipes]]
index = 3
points_mm = [
  [ -52, 199.3556, -284.3999 ],
  [ -52, 199.3556, -34.4 ]
]

# runners 4
[[geometry.pipes]]
index = 4
points_mm = [
  [ 52, 199.3556, -284.3999 ],
  [ 52, 199.3556, -34.4 ]
]

# runners 5
[[geometry.pipes]]
index = 5
points_mm = [
  [ 156, 199.3556, -284.3999 ],
  [ 156, 199.3556, -34.4 ]
]

# runners 6
[[geometry.pipes]]
index = 6
points_mm = [
  [ 260, 199.3556, -284.3999 ],
  [ 260, 199.3556, -34.4 ]
]

# primary_1
[[geometry.pipes]]
index = 7
points_mm = [
  [ -260, 199.3556, 43 ],
  [ -258.9279, 195.9039, 57.4758 ],
  [ -255.8981, 190.3736, 69.6486 ],
  [ -251.1903, 182.9408, 79.7072 ],
  [ -245.0842, 173.7821, 87.8407 ],
  [ -237.8593, 163.0735, 94.2378 ],
  [ -229.7954, 150.9915, 99.0876 ],
  [ -221.1722, 137.7124, 102.5789 ],
  [ -212.2693, 123.4124, 104.9007 ],
  [ -203.3664, 108.2679, 106.2418 ],
  [ -194.7432, 92.4553, 106.7912 ],
  [ -186.6793, 76.1507, 106.7377 ],
  [ -179.4545, 59.5305, 106.2704 ],
  [ -173.3483, 42.7711, 105.578 ],
  [ -168.6405, 26.0487, 104.8496 ],
  [ -165.6107, 9.5396, 104.274 ],
  [ -164.5387, -6.5798, 104.0402 ]
]

# primary_2
[[geometry.pipes]]
index = 8
points_mm = [
  [ -156, 199.3556, 43 ],
  [ -156, 196.0021, 56.2873 ],
  [ -156, 190.385, 67.5779 ],
  [ -156, 182.7176, 77.0291 ],
  [ -156, 173.2129, 84.798 ],
  [ -156, 162.084, 91.042 ],
  [ -156, 149.544, 95.9182 ],
  [ -156, 135.8061, 99.5838 ],
  [ -156, 121.0833, 102.1961 ],
  [ -156, 105.5888, 103.9123 ],
  [ -156, 89.5356, 104.8895 ],
  [ -156, 73.137, 105.2851 ],
  [ -156, 56.606, 105.2562 ],
  [ -156, 40.1556, 104.96 ],
  [ -156, 23.9992, 104.5538 ],
  [ -156, 8.3496, 104.1948 ],
  [ -156, -6.5798, 104.0402 ]
]

# primary_3
[[geometry.pipes]]
index = 9
points_mm = [
  [ -52, 199.3556, 43 ],
  [ -53.0721, 195.9039, 57.4758 ],
  [ -56.1019, 190.3736, 69.6486 ],
  [ -60.8097, 182.9408, 79.7072 ],
  [ -66.9158, 173.7821, 87.8407 ],
  [ -74.1407, 163.0735, 94.2378 ],
  [ -82.2046, 150.9915, 99.0876 ],
  [ -90.8278, 137.7124, 102.5789 ],
  [ -99.7307, 123.4124, 104.9007 ],
  [ -108.6336, 108.2679, 106.2418 ],
  [ -117.2568, 92.4553, 106.7912 ],
  [ -125.3207, 76.1507, 106.7377 ],
  [ -132.5455, 59.5305, 106.2704 ],
  [ -138.6517, 42.7711, 105.578 ],
  [ -143.3595, 26.0487, 104.8496 ],
  [ -146.3893, 9.5396, 104.274 ],
  [ -147.4613, -6.5798, 104.0402 ]
]

# primary_4
[[geometry.pipes]]
index = 10
points_mm = [
  [ 52, 199.3556, 43 ],
  [ 53.0721, 195.8364, 58.7577 ],
  [ 56.1019, 190.3657, 72.8486 ],
  [ 60.8097, 183.0945, 85.3623 ],
  [ 66.9158, 174.1738, 96.3887 ],
  [ 74.1407, 163.7546, 106.0175 ],
  [ 82.2046, 151.9878, 114.3382 ],
  [ 90.8278, 139.0244, 121.4408 ],
  [ 99.7307, 125.0154, 127.4148 ],
  [ 108.6336, 110.1119, 132.35 ],
  [ 117.2568, 94.4647, 136.3361 ],
  [ 125.3207, 78.2248, 139.4628 ],
  [ 132.5455, 61.5433, 141.8198 ],
  [ 138.6517, 44.5711, 143.4969 ],
  [ 143.3595, 27.4592, 144.5837 ],
  [ 146.3893, 10.3586, 145.1701 ],
  [ 147.4613, -6.5798, 145.3456 ]
]

# primary_5
[[geometry.pipes]]
index = 11
points_mm = [
  [ 156, 199.3556, 43 ],
  [ 156, 195.9285, 57.6414 ],
  [ 156, 190.3764, 70.9037 ],
  [ 156, 182.8848, 82.847 ],
  [ 156, 173.6392, 93.5311 ],
  [ 156, 162.8252, 103.0159 ],
  [ 156, 150.6282, 111.3615 ],
  [ 156, 137.234, 118.6277 ],
  [ 156, 122.8279, 124.8746 ],
  [ 156, 107.5956, 130.1621 ],
  [ 156, 91.7225, 134.55 ],
  [ 156, 75.3944, 138.0984 ],
  [ 156, 58.7966, 140.8673 ],
  [ 156, 42.1147, 142.9164 ],
  [ 156, 25.5343, 144.3059 ],
  [ 156, 9.2409, 145.0956 ],
  [ 156, -6.5798, 145.3456 ]
]

# primary_6
[[geometry.pipes]]
index = 12
points_mm = [
  [ 260, 199.3556, 43 ],
  [ 258.9279, 195.8364, 58.7577 ],
  [ 255.8981, 190.3657, 72.8486 ],
  [ 251.1903, 183.0945, 85.3623 ],
  [ 245.0842, 174.1738, 96.3887 ],
  [ 237.8593, 163.7546, 106.0175 ],
  [ 229.7954, 151.9878, 114.3382 ],
  [ 221.1722, 139.0244, 121.4408 ],
  [ 212.2693, 125.0154, 127.4148 ],
  [ 203.3664, 110.1119, 132.35 ],
  [ 194.7432, 94.4647, 136.3361 ],
  [ 186.6793, 78.2248, 139.4628 ],
  [ 179.4545, 61.5433, 141.8198 ],
  [ 173.3483, 44.5711, 143.4969 ],
  [ 168.6405, 27.4592, 144.5837 ],
  [ 165.6107, 10.3586, 145.1701 ],
  [ 164.5387, -6.5798, 145.3456 ]
]

# tailpipe_13
[[geometry.pipes]]
index = 13
points_mm = [
  [ 218.4202, -70, 169.5 ],
  [ 1718.4201, -70, 169.5 ]
]

# secondary_14
[[geometry.pipes]]
index = 14
points_mm = [
  [ -137.5798, -27.3284, 112.6045 ],
  [ -115.9354, -27.7815, 113.2086 ],
  [ -94.9697, -29.0619, 114.9159 ],
  [ -74.5859, -31.0515, 117.5686 ],
  [ -54.6869, -33.632, 121.0094 ],
  [ -35.1758, -36.6853, 125.0805 ],
  [ -15.9556, -40.0932, 129.6243 ],
  [ 3.0707, -43.7375, 134.4834 ],
  [ 22, -47.5, 139.5 ],
  [ 40.9293, -51.2625, 144.5166 ],
  [ 59.9556, -54.9068, 149.3757 ],
  [ 79.1758, -58.3147, 153.9195 ],
  [ 98.6869, -61.368, 157.9906 ],
  [ 118.5859, -63.9485, 161.4314 ],
  [ 138.9697, -65.9381, 164.0842 ],
  [ 159.9354, -67.2185, 165.7914 ],
  [ 181.5798, -67.6716, 166.3955 ]
]

# secondary_15
[[geometry.pipes]]
index = 15
points_mm = [
  [ 174.0108, -43.4202, 160.6401 ],
  [ 174.1004, -44.1614, 160.6706 ],
  [ 174.3536, -44.8101, 160.7569 ],
  [ 174.7471, -45.3796, 160.8911 ],
  [ 175.2574, -45.8829, 161.065 ],
  [ 175.8613, -46.3335, 161.2709 ],
  [ 176.5352, -46.7443, 161.5006 ],
  [ 177.2559, -47.1288, 161.7463 ],
  [ 178, -47.5, 162 ],
  [ 178.7441, -47.8712, 162.2536 ],
  [ 179.4648, -48.2557, 162.4994 ],
  [ 180.1387, -48.6665, 162.7291 ],
  [ 180.7426, -49.1171, 162.935 ],
  [ 181.2529, -49.6204, 163.1089 ],
  [ 181.6464, -50.1899, 163.2431 ],
  [ 181.8996, -50.8386, 163.3294 ],
  [ 181.9892, -51.5798, 163.3599 ]
]

[[geometry.volumes]]
id = "intake_plenum"
center_mm = [ 0, 199.3556, -361.7999 ]
size_mm = [ 624, 62.1149, 154.8 ]

[[geometry.volumes]]
id = "junction_0"
center_mm = [ -156, -25, 109.5 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]

[[geometry.volumes]]
id = "junction_1"
center_mm = [ 156, -25, 154.5 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]

[[geometry.volumes]]
id = "junction_2"
center_mm = [ 200, -70, 169.5 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]