# Engine definition. Dimensional keys state their units.
schema_version = 2
id = "busso"
name = "Busso-inspired / 3.0 V6"
category = "V6"
description = "Estimated concept calibration / EFI"
order = 26
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 = "v"
maximum_load_torque_nm = 30.0
minimum_substeps = 1
phase_degrees = [0.0, 600.0, 480.0, 360.0, 240.0, 120.0]
pipe_damping = 1.0
starter_torque_nm = 73.97478
throttle_diameter_mm = 65.0
topology = "collector"

[cylinder]
afr = 14.7
ambient_temperature_k = 300.0
bore_mm = 93.0
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 = 29.76
fuel_lhv_j_per_kg = 4.4e+07
heat_transfer = 100.0
intake_valve_count = 1
intake_valve_diameter_mm = 35.34
misfire_probability = 0.0
rod_mm = 130.68
stroke_mm = 72.6
wall_area = 0.02
wiebe_a = 5.0
wiebe_m = 2.0

[crankshaft]
friction_constant_nm = 11.83596
friction_quadratic_nm_s2 = 0.0
friction_viscous_nm_s = 0.01183596
inertia_kg_m2 = 0.3550789

[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 = 650.978
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"

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

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

[[pipes]]
id = "primaries"
count = 6
diameter_mm = 38.0

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

[cam.intake]
points = [
  [0.000, 0.000000],
  [340.000, 0.000000],
  [345.000, 0.169037],
  [350.000, 0.638054],
  [355.000, 1.349914],
  [360.000, 2.247475],
  [365.000, 3.273600],
  [370.000, 4.371149],
  [375.000, 5.482982],
  [380.000, 6.551962],
  [385.000, 7.520947],
  [390.000, 8.332800],
  [395.000, 8.930381],
  [400.000, 9.256550],
  [402.500, 9.300000],
  [527.500, 9.300000],
  [532.500, 9.130963],
  [537.500, 8.661946],
  [542.500, 7.950086],
  [547.500, 7.052525],
  [552.500, 6.026400],
  [557.500, 4.928851],
  [562.500, 3.817018],
  [567.500, 2.748038],
  [572.500, 1.779053],
  [577.500, 0.967200],
  [582.500, 0.369619],
  [587.500, 0.043450],
  [590.000, 0.000000],
  [720.000, 0.000000]
]

[cam.exhaust]
points = [
  [0.000, 0.000000],
  [130.000, 0.000000],
  [135.000, 0.140960],
  [140.000, 0.533364],
  [145.000, 1.131493],
  [150.000, 1.889632],
  [155.000, 2.762062],
  [160.000, 3.703068],
  [165.000, 4.666933],
  [170.000, 5.607939],
  [175.000, 6.480369],
  [180.000, 7.238508],
  [185.000, 7.836637],
  [190.000, 8.229041],
  [195.000, 8.370001],
  [325.000, 8.370001],
  [330.000, 8.229041],
  [335.000, 7.836637],
  [340.000, 7.238508],
  [345.000, 6.480369],
  [350.000, 5.607939],
  [355.000, 4.666933],
  [360.000, 3.703068],
  [365.000, 2.762062],
  [370.000, 1.889632],
  [375.000, 1.131493],
  [380.000, 0.533364],
  [385.000, 0.140960],
  [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 = [ -111, 0, 0 ]
tilt_deg = -30.0

[[geometry.cylinders]]
origin_mm = [ 0, 0, 0 ]
tilt_deg = -30.0

[[geometry.cylinders]]
origin_mm = [ 111, 0, 0 ]
tilt_deg = -30.0

[[geometry.cylinders]]
origin_mm = [ -111, 0, 0 ]
tilt_deg = 30.0

[[geometry.cylinders]]
origin_mm = [ 0, 0, 0 ]
tilt_deg = 30.0

[[geometry.cylinders]]
origin_mm = [ 111, 0, 0 ]
tilt_deg = 30.0

# intake
[[geometry.pipes]]
index = 0
points_mm = [
  [ -366.5, 459.3216, 0 ],
  [ -166.5, 459.3216, 0 ]
]

# runners 1
[[geometry.pipes]]
index = 1
points_mm = [
  [ -111, 413.2667, -51.3072 ],
  [ -111, 163.2667, -51.3072 ]
]

# runners 2
[[geometry.pipes]]
index = 2
points_mm = [
  [ 0, 413.2667, -51.3072 ],
  [ 0, 163.2667, -51.3072 ]
]

# runners 3
[[geometry.pipes]]
index = 3
points_mm = [
  [ 111, 413.2667, -51.3072 ],
  [ 111, 163.2667, -51.3072 ]
]

# runners 4
[[geometry.pipes]]
index = 4
points_mm = [
  [ -111, 413.2667, 51.3072 ],
  [ -111, 163.2667, 51.3072 ]
]

# runners 5
[[geometry.pipes]]
index = 5
points_mm = [
  [ 0, 413.2667, 51.3072 ],
  [ 0, 163.2667, 51.3072 ]
]

# runners 6
[[geometry.pipes]]
index = 6
points_mm = [
  [ 111, 413.2667, 51.3072 ],
  [ 111, 163.2667, 51.3072 ]
]

# primaries 1
[[geometry.pipes]]
index = 7
points_mm = [
  [ -111, 121.4167, -123.7935 ],
  [ -109.1317, 108.6131, -136.7179 ],
  [ -103.8516, 95.8547, -143.7139 ],
  [ -95.6472, 83.2494, -145.3017 ],
  [ -85.0059, 70.9048, -142.0016 ],
  [ -72.415, 58.9287, -134.3337 ],
  [ -58.3619, 47.4287, -122.818 ],
  [ -43.334, 36.5127, -107.9749 ],
  [ -27.8188, 26.2884, -90.3245 ],
  [ -12.3035, 16.8635, -70.387 ],
  [ 2.7243, 8.3456, -48.6825 ],
  [ 16.7774, 0.8427, -25.7311 ],
  [ 29.3683, -5.5377, -2.0532 ],
  [ 40.0096, -10.6877, 21.8312 ],
  [ 48.214, -14.4997, 45.4019 ],
  [ 53.4941, -16.8659, 68.1387 ],
  [ 55.3624, -17.6786, 89.5215 ]
]

# primaries 2
[[geometry.pipes]]
index = 8
points_mm = [
  [ 0, 121.4167, -123.7935 ],
  [ 0.8855, 110.0026, -134.8242 ],
  [ 3.3879, 98.2756, -140.1187 ],
  [ 7.2762, 86.3804, -140.21 ],
  [ 12.3195, 74.4619, -135.6312 ],
  [ 18.2867, 62.6649, -126.9155 ],
  [ 24.947, 51.1341, -114.596 ],
  [ 32.0692, 40.0143, -99.2058 ],
  [ 39.4224, 29.4503, -81.2781 ],
  [ 46.7756, 19.5869, -61.3459 ],
  [ 53.8978, 10.5688, -39.9424 ],
  [ 60.558, 2.5409, -17.6007 ],
  [ 66.5253, -4.352, 5.1461 ],
  [ 71.5685, -9.9652, 27.7648 ],
  [ 75.4569, -14.1539, 49.7224 ],
  [ 77.9593, -16.7733, 70.4856 ],
  [ 78.8447, -17.6786, 89.5215 ]
]

# primaries 3
[[geometry.pipes]]
index = 9
points_mm = [
  [ 111, 121.4167, -123.7935 ],
  [ 110.9026, 110.4379, -134.231 ],
  [ 110.6273, 99.0339, -138.9924 ],
  [ 110.1996, 87.3613, -138.6148 ],
  [ 109.6449, 75.5763, -133.6355 ],
  [ 108.9885, 63.8354, -124.5916 ],
  [ 108.2558, 52.2949, -112.0203 ],
  [ 107.4724, 41.1112, -96.4587 ],
  [ 106.6635, 30.4408, -78.4441 ],
  [ 105.8547, 20.4401, -58.5136 ],
  [ 105.0712, 11.2653, -37.2044 ],
  [ 104.3386, 3.073, -15.0537 ],
  [ 103.6822, -3.9805, 7.4014 ],
  [ 103.1275, -9.7389, 29.6236 ],
  [ 102.6997, -14.0456, 51.0758 ],
  [ 102.4245, -16.7443, 71.2209 ],
  [ 102.3271, -17.6786, 89.5215 ]
]

# primaries 4
[[geometry.pipes]]
index = 10
points_mm = [
  [ -111, 121.4167, 123.7935 ],
  [ -110.0686, 112.54, 133.3156 ],
  [ -107.3627, 102.9428, 140.7747 ],
  [ -103.0145, 92.8035, 146.3708 ],
  [ -97.1563, 82.3007, 150.3036 ],
  [ -89.9205, 71.6126, 152.7732 ],
  [ -81.4393, 60.9178, 153.9794 ],
  [ -71.845, 50.3947, 154.1221 ],
  [ -61.2699, 40.2217, 153.4011 ],
  [ -49.8463, 30.5773, 152.0164 ],
  [ -37.7065, 21.6399, 150.1678 ],
  [ -24.9827, 13.5879, 148.0551 ],
  [ -11.8074, 6.5997, 145.8784 ],
  [ 1.6873, 0.8539, 143.8375 ],
  [ 15.369, -3.4712, 142.1322 ],
  [ 29.1054, -6.1971, 140.9624 ],
  [ 42.7643, -7.1453, 140.5281 ]
]

# primaries 5
[[geometry.pipes]]
index = 11
points_mm = [
  [ 0, 121.4167, 123.7935 ],
  [ 0.7587, 115.5283, 130.3663 ],
  [ 2.9028, 109.4543, 135.6078 ],
  [ 6.2345, 103.19, 139.6432 ],
  [ 10.5557, 96.7306, 142.5977 ],
  [ 15.6686, 90.0711, 144.5966 ],
  [ 21.3753, 83.2068, 145.7648 ],
  [ 27.4778, 76.1328, 146.2277 ],
  [ 33.7783, 68.8444, 146.1105 ],
  [ 40.0787, 61.3366, 145.5382 ],
  [ 46.1812, 53.6047, 144.6361 ],
  [ 51.8879, 45.6438, 143.5293 ],
  [ 57.0008, 37.4491, 142.3431 ],
  [ 61.3221, 29.0157, 141.2026 ],
  [ 64.6537, 20.339, 140.2329 ],
  [ 66.7978, 11.4139, 139.5593 ],
  [ 67.5565, 2.2357, 139.307 ]
]

# primaries 6
[[geometry.pipes]]
index = 12
points_mm = [
  [ 111, 121.4167, 123.7935 ],
  [ 110.9165, 116.1043, 129.5562 ],
  [ 110.6807, 110.3205, 134.1964 ],
  [ 110.3142, 104.1052, 137.8177 ],
  [ 109.8389, 97.4984, 140.5239 ],
  [ 109.2765, 90.54, 142.4182 ],
  [ 108.6487, 83.2702, 143.6045 ],
  [ 107.9774, 75.7288, 144.1863 ],
  [ 107.2844, 67.9558, 144.267 ],
  [ 106.5913, 59.9913, 143.9504 ],
  [ 105.9201, 51.8753, 143.3399 ],
  [ 105.2923, 43.6476, 142.5392 ],
  [ 104.7299, 35.3484, 141.6518 ],
  [ 104.2546, 27.0177, 140.7813 ],
  [ 103.8881, 18.6953, 140.0313 ],
  [ 103.6522, 10.4213, 139.5053 ],
  [ 103.5688, 2.2357, 139.307 ]
]

# tailpipe
[[geometry.pipes]]
index = 13
points_mm = [
  [ 157.2357, -55, 146.7572 ],
  [ 1657.2357, -55, 146.7572 ]
]

[[geometry.volumes]]
id = "intake_plenum"
center_mm = [ 0, 459.3216, 0 ]
size_mm = [ 333, 92.1099, 195.6144 ]

[[geometry.volumes]]
id = "exhaust_collector"
center_mm = [ 100, -55, 146.7572 ]
size_mm = [ 114.4714, 114.4714, 114.4714 ]