diff --git a/Assets/Scripts/ServerShared/Behaviors/Thruster.cs b/Assets/Scripts/ServerShared/Behaviors/Thruster.cs
index ab884ca10..be0d79900 100644
--- a/Assets/Scripts/ServerShared/Behaviors/Thruster.cs
+++ b/Assets/Scripts/ServerShared/Behaviors/Thruster.cs
@@ -39,7 +39,8 @@ public class ThrusterData : BehaviorData
 
 public class Thruster : Behavior, IAnalogBehavior, IPowerConsumer
 {
-    public float Thrust { get; private set; }
+    // Live: heat, quality, durability and power move this stat after construction, so it is read, never cached.
+    public float Thrust => Evaluate(_data.Thrust);
     public float Torque { get; }
 
     public float Axis
@@ -67,14 +68,12 @@ public class Thruster : Behavior, IAnalogBehavior, IPowerConsumer
         var itemCenter = hullData.Shape.Inset(itemData.Shape, item.Position, item.EquippableItem.Rotation).CenterOfMass;
         var toCenter = hullCenter - itemCenter;
         Torque = -dot(normalize(toCenter), float2(1, 0).Rotate(item.EquippableItem.Rotation));
-        Thrust = Evaluate(_data.Thrust);
     }
 
     public Thruster(ThrusterData data, ConsumableItemEffect item) : base(data, item)
     {
         _data = data;
         Torque = 0;
-        Thrust = Evaluate(_data.Thrust);
     }
 
     // Cut 3 (docs/stats-and-power-cut.md): the resolved stat times the behaviour-supplied throttle scalar (§1.2),
@@ -92,8 +91,7 @@ public class Thruster : Behavior, IAnalogBehavior, IPowerConsumer
     public int DefaultPowerTier => PowerTiers.Medium;
 
     // What this thruster adds to the ship's manoeuvre envelope: Execute's own arithmetic at full input, read live.
-    // The Thrust property is refreshed only while the thruster fires, so an idle thruster reports its construction
-    // value, which is not what it will push with. Its push is Thrust / Mass along its mount, into the matching body
+    // Its push is Thrust / Mass along its mount, into the matching body
     // axis, even for a flank thruster that only turns (it pushes whenever it turns); its turn is |Torque| * Thrust *
     // TorqueMultiplier / Mass into the side its Torque sign fires on, when |Torque| clears the floor. Zero when the
     // item is offline or unpowered, the same gates Execute applies.
@@ -101,7 +99,7 @@ public class Thruster : Behavior, IAnalogBehavior, IPowerConsumer
     {
         if (Item == null || !Item.Active.Value || Item.PowerSupply <= 1e-4f) return default;
         var settings = ItemManager.GameplaySettings;
-        var thrust = Evaluate(_data.Thrust);
+        var thrust = Thrust;
         var acceleration = thrust / Entity.Mass;
         var forward = normalize(Entity.Direction);
         var right = forward.Rotate(ItemRotation.Clockwise);
@@ -125,10 +123,10 @@ public class Thruster : Behavior, IAnalogBehavior, IPowerConsumer
         // has not been cut to true zero supply (the epsilon PowerBus itself already treats as "nothing granted").
         if(_input > .01f && Item.PowerSupply > 1e-4f)
         {
-            Thrust = Evaluate(_data.Thrust);
-            Entity.Velocity -= Direction.xz * _input * Thrust / Entity.Mass * dt;
+            var thrust = Thrust;
+            Entity.Velocity -= Direction.xz * _input * thrust / Entity.Mass * dt;
             Entity.Direction = mul(Entity.Direction,
-                CultMath.float2x2.Rotate(_input * Torque * Thrust * ItemManager.GameplaySettings.TorqueMultiplier / Entity.Mass * dt));
+                CultMath.float2x2.Rotate(_input * Torque * thrust * ItemManager.GameplaySettings.TorqueMultiplier / Entity.Mass * dt));
             AddHeat(_input * Evaluate(_data.Heat) * dt);
             var vis = _input * Evaluate(_data.Visibility);
             if (!Entity.VisibilitySources.ContainsKey(this) || vis > Entity.VisibilitySources[this])