Engine sound utility

Rust/Wasm · runs locally · no backend

ready

Controls

Engine
Fuel model
Generic gasoline

Models energy density, density, stoichiometric mixture, flame speed, turbulence and burn efficiency. Octane grade, knock and detonation are not modeled yet.

Model inspector

Selected configuration
Engine
Subaru EJ25
Geometry
4 cylinders · Boxer
Displacement
2.5 L
Physics rate
Load a render
Gas paths
Load a render
Acoustics
Impulse-response convolution
  1. Mechanicscrank · rods · pistons · valvetrain
  2. Gas exchangethrottle · intake · valve flow
  3. Combustionmixture · ignition · flame travel
  4. Exhaustrunner pressure · bidirectional flow
  5. Acousticsresample · convolution · leveling
  6. PCM44.1 kHz mono output
RPM
—
Manifold
—
Intake AFR
—
Cylinder
—
Exhaust
—

Readouts come from the Wasm simulation during custom rendering. This display only observes state; it never clocks or schedules audio.