DownloadPhysics-based performance calculator for land vehicles.
MotorSim 2 is a performance calculator for land vehicles (please note that this application functions as a physics simulation tool for straight-line acceleration analysis, not as a driving game).
MotorSim 2 enables you to configure technical specifications and computes resulting performance metrics. It features an interactive simulator with speedometer, RPM gauge, throttle, brake, and gear shifting (manual or automatic), complete with procedurally generated engine sounds (not sample-based) and a visual representation of vehicle position along a quarter-mile track segment. After testing a configuration, users can save a ghost vehicle to later compare its performance against other setups.
Configurable vehicle parameters include:
- Maximum Power Output
- Customizable power curve (definable point by point)
- Torque curve (automatically derived from power curve since power = torque × RPM)
- Maximum engine RPM (ignition cutoff)
- Gearbox configuration (up to 10 gears)
- Resistance coefficients (drag coefficient, frontal area, rolling resistance)
- Total vehicle weight
- Tire dimensions
- Shift duration
- Transmission efficiency
Calculated performance metrics include:
- Top speed
- Acceleration times (0-60, 0-100, 0-200, 0-300, etc.)
- Plus any additional metrics measurable through the interactive simulator
