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DR Sim Manager

Assetto Corsa EVO

Connection Method

Section titled “Connection Method”

Shared Memory — DR Sim Manager reads telemetry from Assetto Corsa EVO’s shared memory interface at up to 200 Hz. No setup or configuration is needed.

Setup Steps

Section titled “Setup Steps”
  1. Launch Assetto Corsa EVO.
  2. In DR Sim Manager, select Assetto Corsa EVO from the Source list.
  3. Click Start Motion.
  4. Enter a session and drive — telemetry starts automatically.

No plugins, configuration files, or network settings are required.

Available Telemetry

Section titled “Available Telemetry”

AC EVO provides good telemetry data, though its shared memory interface is newer and has some differences from the original Assetto Corsa:

  • Orientation: Pitch, Roll, Heading (Yaw)
  • Acceleration: 3-axis G-forces (lateral, longitudinal, vertical)
  • Velocity: Calculated from world-space velocity (transformed to local frame)
  • Angular Velocity: Calculated from orientation changes between frames
  • Speed: Vehicle speed (from speedKmh, converted to m/s)
  • RPM: Engine RPM
  • Gear: Current gear (0=reverse, 1=neutral, 2+=forward)
  • Suspension: 4-wheel suspension travel
  • Vehicle Name: Read from static session data

Telemetry Quality: ★★★★☆

Section titled “Telemetry Quality: ★★★★☆”

AC EVO uses a different shared memory layout from the original AC. Local velocity and angular velocity are not provided directly — DR Sim Manager calculates them from available data. The result is very good but slightly less smooth than native local-frame data.

Section titled “Recommended Starting Settings”
  • Primary Cue Gain: 60–90%
  • Smoothing: Medium — helps smooth the calculated angular velocity
  • Washout: Medium

Known Quirks

Section titled “Known Quirks”
  • Calculated velocity and angular velocity: Unlike the original Assetto Corsa, EVO’s shared memory does not include local velocity or angular velocity fields. DR Sim Manager calculates these from world-space velocity (rotated to local frame) and orientation deltas between frames. This works well but may benefit from slightly more smoothing.
  • Gear numbering differs from AC: EVO uses 0=reverse, 1=neutral, 2+=forward gears (unlike AC’s standard numbering).
  • Early Access: As AC EVO is in early access, the shared memory layout may change with updates. DR Sim Manager will be updated to match.

Troubleshooting

Section titled “Troubleshooting”

No telemetry data

Section titled “No telemetry data”
  • Ensure AC EVO is running and you are in a driving session.
  • AC EVO must be version 0.6 or later for shared memory support.
  • Restart both AC EVO and DR Sim Manager.

Motion feels rougher than expected

Section titled “Motion feels rougher than expected”
  • Since angular velocity is calculated from frame-to-frame orientation changes, try increasing the smoothing slightly in your profile settings.
  • Ensure your frame rate is stable — inconsistent frame timing can affect the smoothness of calculated values.