Wheel Hub Formula Apex Script Review

In the hyper-competitive world of sim racing, victory is often measured in milliseconds. While raw pace comes from practice, consistency comes from hardware. For drivers using advanced direct drive wheels, the difference between a good lap and a great leaderboard-topping lap often lies in the firmware and scripting running behind the scenes.

One term that has been gaining significant traction in DIY and modding communities is the Wheel Hub Formula Apex Script.

Whether you are building a custom F1-style wheel from scratch, upgrading a generic hub, or trying to unlock hidden features in your existing setup, understanding this script is crucial. This article will dissect what the Wheel Hub Formula Apex Script is, how it enhances performance, how to install it, and how to write custom parameters to shave seconds off your lap times. Wheel Hub Formula Apex Script

Total moment at flange: 2814.0 Nm
Bending stress (root of spoke): 375.2 MPa
Safety factor (yield): 1.28
Bolt shear per bolt: 2000.0 N
Bearing L10 life: 3248 km
WARNING: Safety factor below 1.5 – redesign hub.

Best for shift lights and vibration.

| Component | Pro Micro Pin | |--------------------|---------------| | Rotary encoder 1 CLK | 2 (INT0) | | Rotary encoder 1 DT | 3 (INT1) | | Rotary encoder 1 SW | 4 (digital) | | Button 1 (DRS) | 5 | | Button 2 (Pit) | 6 | | Toggle switch 1 | 7 | | Paddle up (hall) | 8 | | Paddle down (hall) | 9 | | LED WS2812B data | 10 | | OLED I2C SDA | 2 (SDA on Pro Micro) | | OLED I2C SCL | 3 (SCL) | In the hyper-competitive world of sim racing, victory

⚠️ Check your Pro Micro pinout — SDA/SCL are usually on pins 2 & 3 but conflict with interrupts. Better to use a separate I2C pin (e.g., A4/A5 on some variants). Adjust accordingly.

| Parameter | Value | |-----------|-------| | Max vertical load | 6000 N | | Max lateral load | 8000 N | | Brake torque per wheel | 2000 Nm | | Hub material | 7075-T6 aluminum | | Bolt circle | 4×100 mm (racing pattern) | | Bearing type | Double-row angular contact | Total moment at flange: 2814

For true “Apex” functionality (gear display, flag LEDs), replace the loop with SimHub serial protocol. Example snippet:

void loop() 
  if (Serial.available()) 
    String data = Serial.readStringUntil('\n');
    // Parse SimHub format: e.g., "RPM,GEAR,SPEED"
    // Update OLED and LEDs accordingly

Then run SimHub → Arduino → Send telemetry over Serial.

If you don't want to code, download these community-vetted files (search for these names on GitHub or RaceDepartment):