4 calculators in this category
- Braking Stopping Distance CalculatorAASHTO Green Book stopping sight distance modelStopping a vehicle takes two distances, not one: the distance you cover while you react, which grows in proportion to speed…
- Brake Bias & Brake Torque CalculatorSAE J866 friction codes; FMVSS 135 light vehicle brake systemsBrake bias is the share of total braking torque produced at the front axle, and every component in the hydraulic chain moves…
- Cornering Speed & Lateral G CalculatorPoint-mass friction limit; AASHTO superelevation relation e + f = V²/15RMaximum cornering speed comes from one balance: the lateral force the tires can generate against the centripetal force the…
- Downforce & Aerodynamic Drag CalculatorSAE J1263 road load; ICAO/US Standard Atmosphere densityAerodynamic force rises with the square of speed and the power to overcome it rises with the cube, which is why a car that…
Which one do you need?
- Braking Stopping Distance Calculator
- Work out braking distance, total stopping distance with reaction time, deceleration in g and time to stop from speed, road friction and grade.
- Brake Bias & Brake Torque Calculator
- Calculate line pressure, clamp force and brake torque front and rear from pedal ratio, master cylinder and caliper sizes, and get the front/rear bias percentage.
- Cornering Speed & Lateral G Calculator
- Find maximum cornering speed from radius and grip, lateral g from speed and radius, skidpad g from lap time, and the speed a banked corner adds.
- Downforce & Aerodynamic Drag Calculator
- Calculate downforce, drag force and the horsepower needed at speed from Cd, Cl, frontal area and air density, plus rolling resistance and aero-limited top speed.
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