⚡
ENGINE CALCULATOR
Physics-Based Spark Advance Modelling
📂 Open
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📊 CSV
📚 Excel
▶ Compute
🔧
Engine
🔄
Cam Spec
🔩
Cylinder Head
🌀
Manifold
⛽
Fuel
💨
Turbocharger
⚙
Supercharger
⚡
MBT Timing
✎
Timing Table
📈
VE Table
⛽
AFR Table
🌡
IAT Table
📈
ECR Table
⚠
Knock Margin
🏁
Dyno Graph
🌐
3D Surface
📏
Units
❓
Help
Configure engine parameters and click Compute.
FUEL PRESET
91 AKI Gasoline
93 AKI Gasoline
E50
E85
Ethanol E100
FUEL PROPERTIES — E85
Knock / Autoignition
Autoignition Temp (K)
Charge Cooling (K)
Stoichiometry
Stoich AFR
LHV (kJ/kg)
Flame Speed
Laminar Flame Speed (ft/s)
Temp Exponent (β)
Pressure Exponent (α)
Kernel Fraction
Arrhenius Ignition Delay
Pre-Exp A
Pressure Exp n
Ea/R (K)
Adiabatic Index γ
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