diff --git a/racevisionGame/src/main/java/mock/model/MockBoat.java b/racevisionGame/src/main/java/mock/model/MockBoat.java
index 597acae7..3c932126 100644
--- a/racevisionGame/src/main/java/mock/model/MockBoat.java
+++ b/racevisionGame/src/main/java/mock/model/MockBoat.java
@@ -66,7 +66,6 @@ public class MockBoat extends Boat {
 
         //Calculate bearing.
         Bearing bearing = GPSCoordinate.calculateBearing(currentPosition, nextMarkerPosition);
-
         return bearing;
     }
 
diff --git a/racevisionGame/src/main/java/mock/model/MockRace.java b/racevisionGame/src/main/java/mock/model/MockRace.java
index a32787d2..5670e989 100644
--- a/racevisionGame/src/main/java/mock/model/MockRace.java
+++ b/racevisionGame/src/main/java/mock/model/MockRace.java
@@ -10,6 +10,7 @@ import shared.model.*;
 
 import java.time.ZonedDateTime;
 import java.time.temporal.ChronoUnit;
+import java.time.temporal.TemporalUnit;
 import java.util.*;
 
 import static java.lang.Math.cos;
@@ -269,7 +270,7 @@ public class MockRace extends Race {
      * @param bearingToDestination The bearing between the boat and its destination.
      * @return True if the new VMG is improves velocity, false otherwise.
      */
-    private boolean improvesVelocity(VMG currentVMG, VMG potentialVMG, Bearing bearingToDestination) {
+    public boolean improvesVelocity(VMG currentVMG, VMG potentialVMG, Bearing bearingToDestination) {
 
         //Calculates the angle between the boat and its destination.
         Angle angleBetweenDestAndHeading = Angle.fromDegrees(currentVMG.getBearing().degrees() - bearingToDestination.degrees());
@@ -331,6 +332,7 @@ public class MockRace extends Race {
             //Move the boat forwards that many meters, and advances its time counters by enough milliseconds.
             boat.moveForwards(distanceTravelledMeters);
 
+
             long tackPeriod = 15000;
 
             if (boat.getTimeSinceTackChange() > tackPeriod) {
diff --git a/racevisionGame/src/main/java/mock/model/commandFactory/CommandFactory.java b/racevisionGame/src/main/java/mock/model/commandFactory/CommandFactory.java
index c073fc95..ace2f3be 100644
--- a/racevisionGame/src/main/java/mock/model/commandFactory/CommandFactory.java
+++ b/racevisionGame/src/main/java/mock/model/commandFactory/CommandFactory.java
@@ -1,4 +1,9 @@
 package mock.model.commandFactory;
 
+import mock.model.MockBoat;
+import mock.model.MockRace;
+
 public interface CommandFactory {
+
+    void runCommand(MockBoat boat, MockRace race);
 }
diff --git a/racevisionGame/src/main/java/mock/model/commandFactory/TackGybeCommand.java b/racevisionGame/src/main/java/mock/model/commandFactory/TackGybeCommand.java
new file mode 100644
index 00000000..ef776536
--- /dev/null
+++ b/racevisionGame/src/main/java/mock/model/commandFactory/TackGybeCommand.java
@@ -0,0 +1,27 @@
+package mock.model.commandFactory;
+
+import mock.model.MockBoat;
+import mock.model.MockRace;
+import mock.model.VMG;
+import shared.model.Bearing;
+
+/**
+ * Created by David on 2/08/2017.
+ */
+public class TackGybeCommand implements CommandFactory {
+
+    //The refactoring of MockRace will require changes to be made
+    @Override
+    public void runCommand(MockBoat boat, MockRace race) {
+        /*VMG newVMG = boat.getPolars().calculateVMG(
+                race.getWindDirection(),
+                race.getWindSpeed(),
+                boat.calculateBearingToNextMarker(),
+                Bearing.fromDegrees(0d),
+                Bearing.fromDegrees(359.99999d));
+        VMG boatVMG = new VMG(boat.getCurrentSpeed(), boat.getBearing());
+        if(race.improvesVelocity(boatVMG, newVMG, boat.calculateBearingToNextMarker())){
+            boat.setVMG(newVMG);
+        }*/
+    }
+}
diff --git a/racevisionGame/src/main/java/mock/model/commandFactory/VMGCommand.java b/racevisionGame/src/main/java/mock/model/commandFactory/VMGCommand.java
new file mode 100644
index 00000000..5d11a27b
--- /dev/null
+++ b/racevisionGame/src/main/java/mock/model/commandFactory/VMGCommand.java
@@ -0,0 +1,24 @@
+package mock.model.commandFactory;
+
+import mock.model.MockBoat;
+import mock.model.MockRace;
+import mock.model.VMG;
+import shared.model.Bearing;
+
+/**
+ * Created by David on 2/08/2017.
+ */
+public class VMGCommand implements CommandFactory {
+
+    //The refactoring of MockRace will require changes to be made
+    @Override
+    public void runCommand(MockBoat boat, MockRace race) {
+        /*VMG newVMG = boat.getPolars().calculateVMG(
+                race.getWindDirection(),
+                race.getWindSpeed(),
+                boat.calculateBearingToNextMarker(),
+                Bearing.fromDegrees(0d),
+                Bearing.fromDegrees(359.99999d));
+        boat.setVMG(newVMG);*/
+    }
+}
diff --git a/racevisionGame/src/main/java/shared/model/Constants.java b/racevisionGame/src/main/java/shared/model/Constants.java
index 51666bf2..a6fe3844 100644
--- a/racevisionGame/src/main/java/shared/model/Constants.java
+++ b/racevisionGame/src/main/java/shared/model/Constants.java
@@ -38,7 +38,7 @@ public class Constants {
     /**
      * The race pre-start time, in milliseconds. 3 minutes.
      */
-    public static final long RacePreStartTime = 3 * 60 * 1000;
+    public static final long RacePreStartTime = 1 * 10 * 1000;
 
 
     /**