BHG – calibration data calculators

Calculators for BHG articles that hopefully make your car hacking easier and improve your understanding of engine calibration aka chiptuning.

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BHG calculators

Interpolation of calibration maps

Basic data gathering calculations – digging data from maps and interpolating desired values for further processing.

interpolation_2d — Simple 2D interpolation calculator for calibration maps (click on image to use calculator)

There is even more complex calculation for interpolating two maps and various values (usually interpolating two duration maps where all values lie somewhere between) – it would be too complex and combination of 2D & 3D calculators does same but with less confusion.

interpolation_3d — Advanced 3D interpolation calculator for calibration maps (click on image to use calculator)

Engine parameters

Once, you have gathered calibration data and interpolated necessary values, you can start to reverse engineer engine parameters such as MAF, air density, air flow, AFR and so on.

calc_airflow — Engine parameters calculator (click on image to use calculator)

Engine parameters calculator for air related parameters such as air flow, air mass, AFR etc…

Comments

Andrew says

2021-09-04 at 11:32

love your calculators!

I’d like to link to them

- hajesmin says
  
  2021-09-04 at 12:14
  
  Thanks Andrew. The idea was to get people a game where they can try by themselves instead of reading tons of boring text. In the future, we may add more calculators such as turbocharging related stuff.

BHG calculators

Interpolation of calibration maps

Engine parameters

Comments

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