That is my formula to calculate Slew Rate Limit:
Overall Strength / Game signal refresh rate (1000ms / game Hz) = Slew Rate Limit
17Nm / 16.666 (1000/60) = 1.02 @SRL
25Nm / 16.666 (1000/60) = 1.50 @SRL
32Nm / 16.666 (1000/60) = 1.92 @SRL
17Nm / 3.003 (1000/333) = 5.66 @SRL (Not possible to reach 17Nm every 3ms with only 4.8 @SRL on the Sport so it is mandatory to lower overall Strength if we want to reach full acceleration)
25Nm / 3.003 (1000/333) = 8.32 @SRL (at the edge of the Pro acceleration, so games with 333hz signal are suited for the Pro at its max specs)
32Nm /3.003 (1000/333) = 10.65 @SRL (Ultimate look like needs some more SRL to achieve 32Nm every 3ms)
By the way, this is my last profile for iRacing F3 Fixed series.
Im racing a converted Thrustmaster TSPC Racer wheel (28cm, formula shape, 2kg) and trueDrive overall forces @4.1Nm (Thrusmaster Mode), just awesome, no needs of brute force but the tires are what im for:
Delete brackets before import!
Profile1\overallstrength=24 (4.1Nm on the Sport)
Profile1\slewratelimit=243 (note that it equals to 0.24 in True Drive, last number “3” is an invisible decimal but workable and can be felt)