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An Overview of the Tuning Screens for Visually-Impaired Racers

The General Tuning Process

The general workflow from the app’s home screen is New Tune, then Tune Input, then Optional Gearing Screen, then Tune Results

After making a tune you can save it such that your workflow for a previously saved tune starts at the home screen as follows: Saved Tunes, then Selection of Saved Tune, then Tune Input, then Optional Gearing Screen, then Tune Results. The only difference is everything is already filled in.

Tune Input Screen

The “TUNE INPUT” screen is designed to collect vehicle details and tune settings from the user. At the top left, there’s a “Back” button to return to the previous screen.

There are several input fields organized under three main categories: “VEHICLE DETAILS” and “TUNE SETTINGS” and “OPTIONS”.

Under “VEHICLE DETAILS”, you have:

  1. VEHICLE: A dropdown menu to select your vehicle, currently set to “Please Select”.
  2. WEIGHT (LBS): A field to enter the vehicle’s weight, with a placeholder value of “2700”.
  3. FRONT DISTRIBUTION (%): A field for the percentage of weight distribution towards the front of the vehicle, with a placeholder of “52”.
  4. PERFORMANCE INDEX: A field to enter the vehicle’s performance index, with a placeholder of “770”.
  5. DRIVE TYPE: Three options to select the vehicle’s drive type—Front-Wheel Drive (FWD), All-Wheel Drive (AWD), or Rear-Wheel Drive (RWD). RWD is selected by default.

Under “TUNE SETTINGS”, you have:

  1. GAME: A dropdown to select the game version, set to “Forza Motorsport (2023)” or the last Forza game for which you made a tune.
  2. TRACK: An option to choose the track type, set to “Default”, which is good for all-purpose tunes.
  3. TUNE TYPE: Another dropdown to select the type of tune, with “Race” chosen by default. Other options are drift, rain race, drag race.

Below the “TUNE SETTINGS”, there’s a section titled “OPTIONS” with one toggle:

  • INCLUDE GEARING TUNE: Accompanied by a note, “Recommended when you change the engine, redline, or number of gears.”, indicating whether to include a gearing tune in the calculations. The toggle is currently set to off.

Finally, at the bottom, there are two buttons: “HELP” and “IMPORT” on the left, and a large “CALCULATE” button at the right, to submit the data for tuning calculations. This button will change to “NEXT” if the gearing tune option is selected. The import function is for importing a special ForzaTune code if you want to share tuning setups with friends.

Optional Gearing Input Screen

This screen labeled “GEARING INPUT” is dedicated to entering details related to the engine and current setup for the purpose of tuning the vehicle’s gearing.

At the top left, there’s a “Back” button to navigate to the previous screen.

The first section of the screen, titled “ENGINE & CURRENT SETUP”, contains fields for inputting various parameters:

  1. MAX ENGINE SPEED (RPM): A field for the maximum revolutions per minute of the engine, with an instructional note to use the redline or rev limit as a reference. It has a placeholder of “7000”.
  2. MAX SPEED IN 1ST GEAR (MPH): This field requires the maximum speed in the first gear at the same engine RPM as used above. It has a placeholder of “55”.
  3. CURRENT FINAL DRIVE RATIO: A blank field for entering the final drive ratio of the vehicle’s transmission. It has a placeholder of “3.73”.
  4. CURRENT FIRST GEAR RATIO: Another blank field for the first gear ratio, to be filled in based on the vehicle’s specifications. It has a placeholder of “2.89”.

Note: both gear ratio fields will automatically add a decimal point when typing in value.

Below these input fields is the “OPTIONS” section:

  1. NUMBER OF GEARS: A dropdown menu to select the number of gears, which is set to “6” by default.
  2. SIMULATED TOP SPEED (MPH): A field to enter a simulated or targeted top speed value for the vehicle, with “150” already entered.

At the bottom of the screen, there’s an expandable menu labeled “SHOW INSTRUCTIONS”, for additional guidance on how to fill out the form.

Finally, the bottom of the screen has three buttons horizontally aligned. From left to right, they are “HELP”, “ESTIMATE REDLINE”, and a prominent “CALCULATE” button in red, indicating the action to proceed with the complete tune calculation based on the entered details.

The Estimate Redline opens up a temporary screen and shows a tachometer similar to the one in the game. It is used to visually match the redline from that tachometer.

In a visually-impaired use case, the telemetry method would be more appropriate if the game does voiceover for rapidly changing values.

Overall, gearing is a hassle in any use case, and would only be recommended when the car has had fundamental changes to the engine characteristics.

The Tune Results Screen

The “TUNE RESULTS” screens display a comprehensive set of tuning configurations for your vehicle in the app.

At the top right it has a “BACK” button, and at the top right is has up to three buttons: a tuning checklist, “HOME” represented as a house icon, and if the tune is unsaved a “SAVE” button will show.

The settings include are organized into distinct sections such as:

  • Tire pressure (PSI) for front and rear tires
  • Gear ratios for each gear and the final drive, if you chose to create a gearing tune
  • Camber angles for front and rear wheels
  • Toe and caster settings
  • Anti-roll bar stiffness for front and rear
  • Spring rates (lb/in) for the suspension
  • Ride height settings
  • Bump and rebound settings for the shock absorbers
  • Suspension geometry recommendations
  • Aerodynamic downforce adjustments for front and rear
  • Brake balance and force percentages
  • Differential settings for acceleration and deceleration
  • Build notes with recommendations for optimal setup and compatibility with certain upgrades

Each value is in the format “END … BAR GRAPH … VALUE” where “END” will be “F” for front and “R” for rear, “BAR GRAPH” is intended to match the position of the setting slider in the game, and “VALUE” will be a numeric or text value indicating the recommended settings for each aspect of the vehicle’s tuning.

This tune results screen also provide a “CUSTOMIZE YOUR SETUP” button for further personalization, and advice on next steps to refine the vehicle’s performance.

If you are in a country that uses different units be sure to visit the “hamburger” menu at the top left of the app’s home page and select “Change Display Units” to make sure you get correct results.

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