diff --git a/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs b/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs
index 5ad2136c1a..213f2eba45 100644
--- a/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs
+++ b/OpenSim/Region/PhysicsModules/BulletS/BSCharacter.cs
@@ -52,7 +52,6 @@ public sealed class BSCharacter : BSPhysObject
     private bool _setAlwaysRun;
     private bool _throttleUpdates;
     private bool _floatOnWater;
-    private OMV.Vector3 _rotationalVelocity;
     private bool _kinematic;
     private float _buoyancy;
 
@@ -291,7 +290,7 @@ public sealed class BSCharacter : BSPhysObject
     {
         RawVelocity = OMV.Vector3.Zero;
         _acceleration = OMV.Vector3.Zero;
-        _rotationalVelocity = OMV.Vector3.Zero;
+        RawRotationalVelocity = OMV.Vector3.Zero;
 
         // Zero some other properties directly into the physics engine
         PhysScene.TaintedObject(inTaintTime, LocalID, "BSCharacter.ZeroMotion", delegate()
@@ -303,7 +302,7 @@ public sealed class BSCharacter : BSPhysObject
 
     public override void ZeroAngularMotion(bool inTaintTime)
     {
-        _rotationalVelocity = OMV.Vector3.Zero;
+        RawRotationalVelocity = OMV.Vector3.Zero;
 
         PhysScene.TaintedObject(inTaintTime, LocalID, "BSCharacter.ZeroMotion", delegate()
         {
@@ -618,14 +617,6 @@ public sealed class BSCharacter : BSPhysObject
             });
         }
     }
-    public override OMV.Vector3 RotationalVelocity {
-        get { return _rotationalVelocity; }
-        set { _rotationalVelocity = value; }
-    }
-    public override OMV.Vector3 ForceRotationalVelocity {
-        get { return _rotationalVelocity; }
-        set { _rotationalVelocity = value; }
-    }
     public override bool Kinematic {
         get { return _kinematic; }
         set { _kinematic = value; }
@@ -716,8 +707,6 @@ public sealed class BSCharacter : BSPhysObject
 
     public override void AddAngularForce(bool inTaintTime, OMV.Vector3 force) {
     }
-    public override void SetMomentum(OMV.Vector3 momentum) {
-    }
 
     // The avatar's physical shape (whether capsule or cube) is unit sized. BulletSim sets
     //    the scale of that unit shape to create the avatars full size.
@@ -841,7 +830,7 @@ public sealed class BSCharacter : BSPhysObject
             RawVelocity = entprop.Velocity;
 
         _acceleration = entprop.Acceleration;
-        _rotationalVelocity = entprop.RotationalVelocity;
+        RawRotationalVelocity = entprop.RotationalVelocity;
 
         // Do some sanity checking for the avatar. Make sure it's above ground and inbounds.
         if (PositionSanityCheck(true))
@@ -861,7 +850,7 @@ public sealed class BSCharacter : BSPhysObject
         // PhysScene.PostUpdate(this);
 
         DetailLog("{0},BSCharacter.UpdateProperties,call,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
-                LocalID, RawPosition, RawOrientation, RawVelocity, _acceleration, _rotationalVelocity);
+                LocalID, RawPosition, RawOrientation, RawVelocity, _acceleration, RawRotationalVelocity);
     }
 }
 }
diff --git a/OpenSim/Region/PhysicsModules/BulletS/BSPhysObject.cs b/OpenSim/Region/PhysicsModules/BulletS/BSPhysObject.cs
index bb21f0cf78..7c6f213bd7 100755
--- a/OpenSim/Region/PhysicsModules/BulletS/BSPhysObject.cs
+++ b/OpenSim/Region/PhysicsModules/BulletS/BSPhysObject.cs
@@ -239,6 +239,8 @@ public abstract class BSPhysObject : PhysicsActor
     public virtual OMV.Vector3 RawVelocity { get; set; }
     public abstract OMV.Vector3 ForceVelocity { get; set; }
 
+    public OMV.Vector3 RawRotationalVelocity { get; set; }
+
     // RawForce is a constant force applied to object (see Force { set; } )
     public OMV.Vector3 RawForce { get; set; }
     public OMV.Vector3 RawTorque { get; set; }
@@ -250,7 +252,48 @@ public abstract class BSPhysObject : PhysicsActor
     public abstract void AddAngularForce(bool inTaintTime, OMV.Vector3 force);
     public abstract void AddForce(bool inTaintTime, OMV.Vector3 force);
 
-    public abstract OMV.Vector3 ForceRotationalVelocity { get; set; }
+    // PhysicsActor.SetMomentum
+    // All the physics engined use this as a way of forcing the velocity to something.
+    public override void SetMomentum(OMV.Vector3 momentum)
+    {
+        // This doesn't just set Velocity=momentum because velocity is ramped up to (see MoveActor)
+        RawVelocity = momentum;
+        PhysScene.TaintedObject(LocalID, TypeName + ".SetMomentum", delegate()
+        {
+            // DetailLog("{0},BSPrim.SetMomentum,taint,vel={1}", LocalID, RawVelocity);
+            ForceVelocity = RawVelocity;
+        });
+    }
+
+    public override OMV.Vector3 RotationalVelocity {
+        get {
+            return RawRotationalVelocity;
+        }
+        set {
+            RawRotationalVelocity = value;
+            Util.ClampV(RawRotationalVelocity, BSParam.MaxAngularVelocity);
+            // m_log.DebugFormat("{0}: RotationalVelocity={1}", LogHeader, _rotationalVelocity);
+            PhysScene.TaintedObject(LocalID, TypeName + ".setRotationalVelocity", delegate()
+            {
+                ForceRotationalVelocity = RawRotationalVelocity;
+            });
+        }
+    }
+    public OMV.Vector3 ForceRotationalVelocity {
+        get {
+            return RawRotationalVelocity;
+        }
+        set {
+            RawRotationalVelocity = Util.ClampV(value, BSParam.MaxAngularVelocity);
+            if (PhysBody.HasPhysicalBody)
+            {
+                DetailLog("{0},{1}.ForceRotationalVel,taint,rotvel={2}", LocalID, TypeName, RawRotationalVelocity);
+                PhysScene.PE.SetAngularVelocity(PhysBody, RawRotationalVelocity);
+                // PhysicsScene.PE.SetInterpolationAngularVelocity(PhysBody, _rotationalVelocity);
+                ActivateIfPhysical(false);
+            }
+        }
+    }
 
     public abstract float ForceBuoyancy { get; set; }
 
diff --git a/OpenSim/Region/PhysicsModules/BulletS/BSPrim.cs b/OpenSim/Region/PhysicsModules/BulletS/BSPrim.cs
index fd9b8344f4..78a617d731 100644
--- a/OpenSim/Region/PhysicsModules/BulletS/BSPrim.cs
+++ b/OpenSim/Region/PhysicsModules/BulletS/BSPrim.cs
@@ -59,7 +59,6 @@ public class BSPrim : BSPhysObject
     private bool _setAlwaysRun;
     private bool _throttleUpdates;
     private bool _floatOnWater;
-    private OMV.Vector3 _rotationalVelocity;
     private bool _kinematic;
     private float _buoyancy;
 
@@ -90,7 +89,7 @@ public class BSPrim : BSPhysObject
         RawOrientation = rotation;
         _buoyancy = 0f;
         RawVelocity = OMV.Vector3.Zero;
-        _rotationalVelocity = OMV.Vector3.Zero;
+        RawRotationalVelocity = OMV.Vector3.Zero;
         BaseShape = pbs;
         _isPhysical = pisPhysical;
         _isVolumeDetect = false;
@@ -256,7 +255,7 @@ public class BSPrim : BSPhysObject
     {
         RawVelocity = OMV.Vector3.Zero;
         _acceleration = OMV.Vector3.Zero;
-        _rotationalVelocity = OMV.Vector3.Zero;
+        RawRotationalVelocity = OMV.Vector3.Zero;
 
         // Zero some other properties in the physics engine
         PhysScene.TaintedObject(inTaintTime, LocalID, "BSPrim.ZeroMotion", delegate()
@@ -267,15 +266,15 @@ public class BSPrim : BSPhysObject
     }
     public override void ZeroAngularMotion(bool inTaintTime)
     {
-        _rotationalVelocity = OMV.Vector3.Zero;
+        RawRotationalVelocity = OMV.Vector3.Zero;
         // Zero some other properties in the physics engine
         PhysScene.TaintedObject(inTaintTime, LocalID, "BSPrim.ZeroMotion", delegate()
         {
             // DetailLog("{0},BSPrim.ZeroAngularMotion,call,rotVel={1}", LocalID, _rotationalVelocity);
             if (PhysBody.HasPhysicalBody)
             {
-                PhysScene.PE.SetInterpolationAngularVelocity(PhysBody, _rotationalVelocity);
-                PhysScene.PE.SetAngularVelocity(PhysBody, _rotationalVelocity);
+                PhysScene.PE.SetInterpolationAngularVelocity(PhysBody, RawRotationalVelocity);
+                PhysScene.PE.SetAngularVelocity(PhysBody, RawRotationalVelocity);
             }
         });
     }
@@ -426,9 +425,9 @@ public class BSPrim : BSPhysObject
             RawVelocity = Util.ClampV(RawVelocity, BSParam.MaxLinearVelocity);
             ret = true;
         }
-        if (_rotationalVelocity.LengthSquared() > BSParam.MaxAngularVelocitySquared)
+        if (RawRotationalVelocity.LengthSquared() > BSParam.MaxAngularVelocitySquared)
         {
-            _rotationalVelocity = Util.ClampV(_rotationalVelocity, BSParam.MaxAngularVelocity);
+            RawRotationalVelocity = Util.ClampV(RawRotationalVelocity, BSParam.MaxAngularVelocity);
             ret = true;
         }
 
@@ -1008,7 +1007,7 @@ public class BSPrim : BSPhysObject
             // For good measure, make sure the transform is set through to the motion state
             ForcePosition = RawPosition;
             ForceVelocity = RawVelocity;
-            ForceRotationalVelocity = _rotationalVelocity;
+            ForceRotationalVelocity = RawRotationalVelocity;
 
             // A dynamic object has mass
             UpdatePhysicalMassProperties(RawMass, false);
@@ -1128,35 +1127,6 @@ public class BSPrim : BSPhysObject
             });
         }
     }
-    public override OMV.Vector3 RotationalVelocity {
-        get {
-            return _rotationalVelocity;
-        }
-        set {
-            _rotationalVelocity = value;
-            Util.ClampV(_rotationalVelocity, BSParam.MaxAngularVelocity);
-            // m_log.DebugFormat("{0}: RotationalVelocity={1}", LogHeader, _rotationalVelocity);
-            PhysScene.TaintedObject(LocalID, "BSPrim.setRotationalVelocity", delegate()
-            {
-                ForceRotationalVelocity = _rotationalVelocity;
-            });
-        }
-    }
-    public override OMV.Vector3 ForceRotationalVelocity {
-        get {
-            return _rotationalVelocity;
-        }
-        set {
-            _rotationalVelocity = Util.ClampV(value, BSParam.MaxAngularVelocity);
-            if (PhysBody.HasPhysicalBody)
-            {
-                DetailLog("{0},BSPrim.ForceRotationalVel,taint,rotvel={1}", LocalID, _rotationalVelocity);
-                PhysScene.PE.SetAngularVelocity(PhysBody, _rotationalVelocity);
-                // PhysicsScene.PE.SetInterpolationAngularVelocity(PhysBody, _rotationalVelocity);
-                ActivateIfPhysical(false);
-            }
-        }
-    }
     public override bool Kinematic {
         get { return _kinematic; }
         set { _kinematic = value;
@@ -1358,9 +1328,6 @@ public class BSPrim : BSPhysObject
         });
     }
 
-    public override void SetMomentum(OMV.Vector3 momentum) {
-        // DetailLog("{0},BSPrim.SetMomentum,call,mom={1}", LocalID, momentum);
-    }
     #region Mass Calculation
 
     private float CalculateMass()
@@ -1930,7 +1897,7 @@ public class BSPrim : BSPhysObject
         if (entprop.Velocity == OMV.Vector3.Zero || !entprop.Velocity.ApproxEquals(RawVelocity, BSParam.UpdateVelocityChangeThreshold))
             RawVelocity = entprop.Velocity;
         _acceleration = entprop.Acceleration;
-        _rotationalVelocity = entprop.RotationalVelocity;
+        RawRotationalVelocity = entprop.RotationalVelocity;
 
         // DetailLog("{0},BSPrim.UpdateProperties,afterAssign,entprop={1}", LocalID, entprop);   // DEBUG DEBUG
 
@@ -1939,7 +1906,7 @@ public class BSPrim : BSPhysObject
         {
             entprop.Position = RawPosition;
             entprop.Velocity = RawVelocity;
-            entprop.RotationalVelocity = _rotationalVelocity;
+            entprop.RotationalVelocity = RawRotationalVelocity;
             entprop.Acceleration = _acceleration;
         }