Performance calculator for land vehicles.

MotorSim 2 is a performance calculator for land vehicles. Please note that this application is not a driving game, but rather a realistic physics-based simulation focused on straight-line acceleration.

MotorSim 2 lets you configure key technical specifications and calculates the resulting performance metrics. It features an interactive simulator complete with a speedometer, RPM gauge, throttle and brake controls, and gear shifting (both manual and automatic modes). The simulation includes a procedurally generated engine sound (not sampled) and displays your vehicle's progress along a quarter-mile track. After testing your setup, you can save a ghost car to compare its performance against different configurations.

Configurable vehicle parameters include:

- Max Power

- Power curve (definable point by point)

- Torque curve (automatically derived from the power curve, since power = torque × RPM)

- Max engine RPM (ignition cutoff)

- Gears configuration (up to 10 gears)

- Resistances (drag coefficient, frontal area, and rolling resistance coefficients)

- Vehicle weight

- Tyre size

- Shift time

- Transmission efficiency

Calculated performance metrics include:

- Maximum speed

- Acceleration times: 0-60, 0-100, 0-200, 0-300, and beyond

- ...plus any other performance data you can gather using the interactive simulator