138 lines
3.2 KiB
TOML
138 lines
3.2 KiB
TOML
# Engine definition. Dimensional keys state their units.
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schema_version = 2
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id = "fifty"
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name = "50 cc / little screamer"
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category = "Two-stroke / 50 cc"
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description = "Concept single / transported carb fuel"
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order = 15
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cycle = "two_stroke"
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[simulation]
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cells_per_meter = 100.0
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[two_stroke]
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reed_pipe_diameter_mm = 40
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transfer_pipe_diameter_mm = 32
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initial_rpm = 3000.0
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starter_torque_nm = 8.0
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maximum_load_torque_nm = 10.0
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crankshaft_inertia_kg_m2 = 0.004006997
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bore_mm = 40.0
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carburetor_diameter_mm = 19.0
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exhaust = "racing"
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exhaust_duration_deg = 190.0
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exhaust_width_mm = 26.54048
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friction_bar = 0.4
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friction_bar_per_mps = 0.09
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friction_bar_per_mps2 = 0.0009
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idle_minimum_advance_deg = -10.0
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idle_slide_opening = 0.045
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idle_spark_gain = 0.05
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jet_scale = 0.5
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main_jet_scale = 1.6
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minimum_burn_s = 0.0005897885
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needle_jet_scale = 1.0
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needle_low_scale = 2.72
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needle_mid_scale = 0.8
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needle_off_idle_scale = 12.0
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needle_quarter_scale = 1.4
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needle_tip_scale = 5.0
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needle_transition_scale = 9.0
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needle_upper_scale = 0.76
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pilot_jet_scale = 0.7125
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pilot_tip_scale = 1.0
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pilot_transition_scale = 1.0
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rod_mm = 81.09593
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stroke_mm = 39.8
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transfer_duration_deg = 130.0
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transfer_width_mm = 36.86178
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trapped_compression = 8.2
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chamber_sections_mm = [[117.9577, 26.54048, 26.54048], [132.7024, 26.54048, 44.23414], [140.0748, 44.23414, 77.40974], [95.84063, 77.40974, 77.40974], [154.8195, 77.40974, 16.21918], [176.9366, 16.21918, 16.21918]]
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[ecu]
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idle_control = "fixed"
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idle_rpm = 3000.0
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idle_max_opening = 0.3
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throttle_time_constant_s = 0.0002
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throttle_rate = 5000.0
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rev_limit_enabled = false
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rev_limit_fuel_cut_enabled = false
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overrun_cut_rpm = 5000.0
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overrun_resume_rpm = 3500.0
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overrun_fuel_cut_enabled = false
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overrun_ignition_cut_enabled = true
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ignition_map = [[0, 10], [3000, 18], [6000, 24], [9000, 18], [11000, 12], [13000, 6], [15000, 2], [18000, 0]]
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[vehicle]
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primary_reduction = 3.368421
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final_drive_ratio = 3.769231
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mass_kg = 170
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wheel_radius_mm = 331.3
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gear_ratios = [2.384615, 1.933333, 1.588235, 1.352941, 1.176471, 1.055556]
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[[geometry.cylinders]]
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origin_mm = [ 0, 0, 0 ]
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tilt_deg = 0.0
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# intake
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[[geometry.pipes]]
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index = 0
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points_mm = [
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[ -228.9558, 1.6102, 0 ],
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[ -128.9558, 1.6102, 0 ]
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]
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# reed passage
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[[geometry.pipes]]
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index = 1
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points_mm = [
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[ -49.5857, 1.6102, 0 ],
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[ -19.5857, 1.6102, 0 ]
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]
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# transfer passage
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[[geometry.pipes]]
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index = 2
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points_mm = [
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[ 19.5857, 21.1959, 0 ],
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[ 23.8339, 23.9696, 0 ],
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[ 27.519, 26.7484, 0 ],
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[ 30.6412, 29.5324, 0 ],
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[ 33.2004, 32.3215, 0 ],
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[ 35.1967, 35.1159, 0 ],
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[ 36.63, 37.9155, 0 ],
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[ 37.5003, 40.7202, 0 ],
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[ 37.8077, 43.5301, 0 ],
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[ 37.5521, 46.3452, 0 ],
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[ 36.7336, 49.1655, 0 ],
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[ 35.352, 51.9909, 0 ],
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[ 33.4076, 54.8215, 0 ],
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[ 30.9001, 57.6574, 0 ],
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[ 27.8297, 60.4984, 0 ],
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[ 24.1963, 63.3446, 0 ],
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[ 20, 66.1959, 0 ]
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]
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# exhaust chamber
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[[geometry.pipes]]
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index = 3
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points_mm = [
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[ 20, 75.9959, 0 ],
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[ 130.844, 35.652, 0 ],
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[ 186.9265, -84.6172, 0 ],
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[ 106.5828, -199.3597, 0 ],
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[ 10.7422, -199.3597, 0 ],
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[ -134.7406, -146.4083, 0 ],
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[ -311.6772, -146.4083, 0 ]
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]
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[[geometry.volumes]]
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id = "intake_plenum"
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center_mm = [ -89.2708, 1.6102, 0 ]
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size_mm = [ 79.3701, 79.3701, 79.3701 ]
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[[geometry.volumes]]
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id = "crankcase"
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center_mm = [ 0, 1.6102, 0 ]
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size_mm = [ 39.1715, 39.1715, 39.1715 ]
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