Assetto Corsa Help Page
Assetto Corsa
record session

Prerequisites

IMPORTANT Recording data from Assetto Corsa is supported only on PC using the PC version of Sim Racing Telemetry. In a future update you'll be able to use the PC version of SRT to forward data to SRT instances running on other devices (like your iOS/Android smartphone). The reason of this limitation is that AC shares data using Shared Memory, a technology that can only be used by softwares running on the same machine (and supported only by the PC version of AC - console versions of AC don't share detailed telemetry data).

SRT Mobile In a future update you'll be able to use the PC version of SRT to capture and forward data to SRT instances running on other devices (like your iOS/Android smartphone).

Quick instructions

To record data from Assetto Corsa with SRT:

  1. Launch both SRT and Assetto Corsa on the same PC;
  2. in SRT select Assetto Corsa > Record new session > Start (effective telemetry recording will be confirmed by a coloured, animated flow of data and a green connection icon - but read next points);
  3. in Assetto Corsa, Start a driving session (SRT will detect data when the game screen of AC will be ready);
  4. in SRT press the Stop button when you're done with recording. SRT stores only complete timed laps (incomplete and/or not-times laps are discarded), so ensure to finish your timed laps to see them in the final recording.

SRT is able to record data between distinct racing sessions, so you don't need to start/stop recording continuously if not needed.

If for some reason you find some empty session saved in SRT, you can delete it right-clicking on the session and selecting the Delete option.

Recording Settings

In the Recording screen of SRT, press the Settings button to customize how SRT records data from the game

SRT recording settings for Assetto Corsa

Telemetry parameters

Below is the list of available telemetry parameters shared by Assetto Corsa.

For more details, please refer to the documentation from Kunos or ask for support in their forums (an account could be needed to access the documents below):

Parameter Wheels Notes
ABS   Slip ratio limit for the ABS (if enabled)
AI    
Air density    
Air temperature    
Angular velocity    
Auto shifter    
Ballast   Kilograms of ballast added to the car (only in multiplayer)
Brakes temperature FL, FR, RL, RR NOTE: AC often reports a fixed value of 26°C/78.8°F.
Brake    
Camber FL, FR, RL, RR  
Clutch    
DRS allowed   If DRS is available (DRS zone)
DRS   If DRS is present and enabled
ERS charging   If ERS battery is recharging
ERS deployed   KERS/ERS KiloJoule spent during the lap
ERS mode   ERS charging: 0 (Motor), 1 (Battery)
ERS power    
ERS recovery    
Engine brake    
Engine damage   Damage level (not a percentage). Values are car-specific.
Flags status    
Force feedback    
Front brakes bias    
Front bumper damage   Damage level (not a percentage). Values are car-specific.
Fuel    
g-force   Vector
Gearbox damage   Damage level (not a percentage). Values are car-specific.
Gear    
Height of CoG   Height of Center of Gravity
KERS/ERS charge   KERS/ERS battery charge
KERS/ERS input   ERS/ERS input to engine
Lap distance    
Lap number    
Lap time invalid   NOTE: not available from the Shared Memory.
Lap time    
Mandatory pit done    
Other damage   Damage level (not a percentage). Values are car-specific.
Penalties    
Pit limiter    
Pit status    
Pitch    
RPM (%)    
RPM    
Race position    
Race position    
Rear bumper damage   Damage level (not a percentage). Values are car-specific.
Ride height F, R  
Roll    
Steering (angle)   NOTE: not available from the Shared Memory.
Steering    
Suspensions position FL, FR, RL, RR  
Throttle    
Track grip    
Track temperature    
Traction control   Slip ratio limit for the traction control (if enabled)
Turbo   Turbo gain on engine torque for specific vehicles
Tyre compound FL, FR, RL, RR  
Tyres angular velocity FL, FR, RL, RR  
Tyres core temperature FL, FR, RL, RR  
Tyres dirty FL, FR, RL, RR  
Tyres inner temperature FL, FR, RL, RR  
Tyres middle temperature FL, FR, RL, RR  
Tyres outer temperature FL, FR, RL, RR  
Tyres out    
Tyres pressure FL, FR, RL, RR  
Tyres wear FL, FR, RL, RR  
Velocity vector    
Velocity    
Wheels load FL, FR, RL, RR Load on each tyre (in N)
Wheels slip FL, FR, RL, RR Spin speed of each tyre
Wind direction    
Wind speed    
World forward   Vector
World position    
World right   Vector
Yaw    

Troubleshooting

SRT receives data but the saved session is missing or empty

If SRT is recording data (you see the coloured flow of animated data on your screen) but when you press the "Stop" button you don't see the save file of your session (or it's empty), it means that the recorded data don't contain any complete timed lap telemetry.

SRT records data only for complete and timed laps. Incomplete laps (and out-laps) are discarded. If you don't complete a timed lap, it's considered an incomplete lap and it will be discarded. Be sure to record at least one complete timed lap to save a useful session file.

Contacts

In case you need further assistance, please contact the Sim Racing Telemetry support: