Setup guide

Default setup

The IFM car comes with the following predefined setup:

Front Rear
Geometry Ride Height (mm) 20 30
Camber (deg) -3 -2
Caster (deg) 6 6
Toe (deg) -0.2 (out) 0.1 (in)
Rear suspension position AE2
Suspension Springs (lbs/in) 800 1100
Anti-roll <<<>>> 16/13 mm
Damper bump 6 2
Damper rebound 4 5
Aero Wing position 14° 17°
Differential Ramp angles 50°/50°
Preload 56 Nm
Tire Pressure (kpa) 150 150

Suspension

Front

The front suspension has a mono damper layout with a Belleville washer stack.

Springs and dampers

There are the following spring options available:

600 lbs/in 700 lbs/in 800 lbs/in 900 lbs/in 1000 lbs/in 1100 lbs/in 1200 lbs/in 1300 lbs/in

Gearbox

The IFM car comes with a six speed gearbox. The reverse gear and the final drive ratios are fixed. The gear ratios for all other gears can be adjusted. There are 3 possible ratios for the first gear and 19 possible ratios for the 2nd to 6th gear available to chose from.

Differential

Locking percentage

The differential is adjustable in preload and power/coast locking percentage. The locking percentage is adjustable through the following ramp angles:

Power/Coast
50°/50° 45°/90° 23°/45° 35°/35° 60°/37° 50°/65°

In the following table you can see what locking percentage each ramp angle equals:

Ramp angle Locking %
23° 61.76
35° 44.13
37° 42.21
45° 36.00
50° 32.94
60° 27.97
65° 25.86
90° 17.00

Preload

Differential preload is the torque that is required before the differential is working. The following table shows you the available options to adjust preload and the respecitve torque for they stand for:

Belleville washer Torque
0.60 mm
0.80 mm
1.00 mm
1.20 mm 56 Nm
1.35 mm
1.50 mm
1.70 mm
1.85 mm
2.00 mm
2.20 mm
2.40 mm
2.60 mm