Pedal Force Settings

 Pedal Force Settings

When developing "muscle memory" for precision braking, it is useful to know the forces.

The best way to measure is with a "Force Dyno or Gauge" like this one:

Most high end pedals have software that allows "shaping" of the force curve. Linear is almost always the best.

In iRacing, the calibration can be "fine tuned" by adjusting the settings in the "joyCalib" file. 

- DeviceName: 'GTpro Pedals'

   InstanceGUID: 

   AxisList:

   - Axis: 2

     AxisName: 'Y Axis'

     CalibMin: 10

     CalibCenter: 180

     CalibMax: 325

These are my settings and are unusual in that my damaged and handicapped legs cannot push the maximum much higher than 30 pounds. Normal settings would be well above 75 pounds. (CalibMax in the 500-600 range)

The CalibMin is set to reduce unintended brake application when inadvertently resting left foot on pedal. It creates a "dead zone". 

Use the input graph to train your ankle and leg to recognize and repeat the Min, Medium, and Max levels.  Essentially, my trail braking requires precision force input in the 20-30 pounds force range. 

The chart above shows the forces using an orange and black combination of elastic bushings on the pedal slave cylinder. The chart below (black line) shows figures with two black bushings. Note the lower force (18 vs 20) necessary for the 10%.  In other words, a slightly smaller dead zone. Same inputs for higher forces as bushings are compressed but the pedal "feels" stiffer and there is slightly less pedal travel.