PHYSICS LAB · LIVE · CLIENT-SIDE MAPS

Runnable physics you can drive

Coupled air/fuel, RPM-dependent volumetric efficiency, BTE map, brake torque/power, SFV HEX duty, and injector pulse — updates instantly as you move the controls. Works offline on GitHub Pages.

Live operating point

701hp

522.6 kW · 587 N·m · BTE 42.0% · 8500 rpm

Fuel flow

28.28g/s

Air flow

0.458kg/s

HEX duty

23.2kW

Injector duty

30%

ηv map

1.050

ρ air

1.184kg/m³

mg / stroke

49.9mg

Pulse width

4.19ms

Controls — drag for live recompute

Engine speed

8500 rpm

AFR

16.2 :1

Load

1.00

Ambient temp

25 °C

Ambient pressure

101.3 kPa

Boost (MAP add)

0 kPa

Brake power vs RPM (kW)541.5

1500 rpm9000 rpm

Torque vs RPM (N·m)574.5

1500 rpm9000 rpm

Fuel flow vs RPM (g/s)29.3

1500 rpm9000 rpm

Model notes (honest)

ηv is a design intake-tuning map peaked at 8500 rpm — not dyno-measured.
BTE uses the locked 42% WOT anchor and soft AFR/load derates.
HEX uses SFV enthalpy rise (~820 kJ/kg); recovery vs 30% exhaust share.
Injector PW is a calibrated timing proxy for duty-horizon checks.
CLI: python -m svie_physics.physics_lab --rpm 8500 --afr 16.2