diff --git a/y2023/control_loops/drivetrain/drivetrain_can_position.fbs b/y2023/control_loops/drivetrain/drivetrain_can_position.fbs
index 10d7c9a..34fbf12 100644
--- a/y2023/control_loops/drivetrain/drivetrain_can_position.fbs
+++ b/y2023/control_loops/drivetrain/drivetrain_can_position.fbs
@@ -20,6 +20,9 @@
 
   // In meters traveled on the drivetrain
   position:float (id: 5);
+
+  // Nominal range is -1 to 1, but can be -2 to +2
+  duty_cycle: float (id: 6);
 }
 
 // CAN readings from the CAN sensor reader loop
diff --git a/y2023/control_loops/superstructure/superstructure_position.fbs b/y2023/control_loops/superstructure/superstructure_position.fbs
index 83ca2b6..b09e077 100644
--- a/y2023/control_loops/superstructure/superstructure_position.fbs
+++ b/y2023/control_loops/superstructure/superstructure_position.fbs
@@ -38,6 +38,9 @@
 
   // Raw position
   position:float (id: 5);
+
+  // Nominal range is -1 to 1, but can be -2 to +2
+  duty_cycle:float (id: 6);
 }
 
 table Position {