diff --git a/core/src/net/sf/openrocket/document/OpenRocketDocument.java b/core/src/net/sf/openrocket/document/OpenRocketDocument.java
index 376728c21..101d2e34a 100644
--- a/core/src/net/sf/openrocket/document/OpenRocketDocument.java
+++ b/core/src/net/sf/openrocket/document/OpenRocketDocument.java
@@ -286,7 +286,7 @@ public class OpenRocketDocument implements ComponentChangeListener {
 				removeSimulation(s);
 			}
 		}
-		rocket.removeFlightConfigurationID(configId);
+		rocket.removeFlightConfiguration(configId);
 	}
 	
 	
diff --git a/core/src/net/sf/openrocket/motor/MotorConfiguration.java b/core/src/net/sf/openrocket/motor/MotorConfiguration.java
index 115e35350..6da292a50 100644
--- a/core/src/net/sf/openrocket/motor/MotorConfiguration.java
+++ b/core/src/net/sf/openrocket/motor/MotorConfiguration.java
@@ -16,19 +16,18 @@ public class MotorConfiguration implements FlightConfigurableParameter<MotorConf
 	
 	public static final String EMPTY_DESCRIPTION = "Empty Motor Configuration".intern();
 
-	protected final MotorMount mount;
-	protected final FlightConfigurationId fcid;
-	protected final MotorConfigurationId id;
+	private final MotorMount mount;
+	private final FlightConfigurationId fcid;
+	private final MotorConfigurationId mid;
 	
-	protected String name = "";
-	protected Motor motor = null;
-	protected double ejectionDelay = 0.0;
+	private Motor motor = null;
+	private double ejectionDelay = 0.0;
 
-	protected boolean ignitionOveride = false;
-	protected double ignitionDelay = 0.0;
-	protected IgnitionEvent ignitionEvent = IgnitionEvent.AUTOMATIC;
+	private boolean ignitionOveride = false;
+	private double ignitionDelay = 0.0;
+	private IgnitionEvent ignitionEvent = IgnitionEvent.AUTOMATIC;
 	
-	protected int modID = 0;
+	private int modID = 0;
 	
 	public MotorConfiguration( final MotorMount _mount, final FlightConfigurationId _fcid ) {
 		if (null == _mount ) {
@@ -40,7 +39,7 @@ public class MotorConfiguration implements FlightConfigurableParameter<MotorConf
 
 		this.mount = _mount;
 		this.fcid = _fcid;
-		this.id = new MotorConfigurationId( _mount, _fcid );
+		this.mid = new MotorConfigurationId( _mount, _fcid );
         
 		modID++;
 	}
@@ -68,7 +67,15 @@ public class MotorConfiguration implements FlightConfigurableParameter<MotorConf
 	}
 	
 	public MotorConfigurationId getID() {
-		return this.id;
+		return this.mid;
+	}
+
+	public FlightConfigurationId getFCID() {
+		return fcid;
+	}
+	
+	public MotorConfigurationId getMID() {
+		return mid;
 	}
 		
 	public void setMotor(Motor motor){
@@ -175,7 +182,7 @@ public class MotorConfiguration implements FlightConfigurableParameter<MotorConf
 			return false;
 		}else if( other instanceof MotorConfiguration ){
 			MotorConfiguration omi = (MotorConfiguration)other;
-			if( this.id.equals( omi.id)){
+			if( this.mid.equals( omi.mid)){
 				return true;
 			}
 		}
@@ -184,7 +191,7 @@ public class MotorConfiguration implements FlightConfigurableParameter<MotorConf
 	
 	@Override
 	public int hashCode() {
-		return this.id.hashCode();
+		return this.mid.hashCode();
 	}
 
     /**
@@ -236,14 +243,15 @@ public class MotorConfiguration implements FlightConfigurableParameter<MotorConf
 	public String toDebugDetail( ) {
 		StringBuilder buf = new StringBuilder();
 		
-		buf.append(String.format(">> in: %28s::%10s    %8s ign@: %12s ",
+		buf.append(String.format("[in: %28s][fcid %10s][mid %10s][    %8s ign@: %12s]",
 				mount.getDebugName(),
 				fcid.toShortKey(),
+				mid.toDebug(),
 				toMotorDescription(),
 				toIgnitionDescription() ));
 		
 		return buf.toString();
 	}
-	
+
 
 }
diff --git a/core/src/net/sf/openrocket/motor/MotorConfigurationId.java b/core/src/net/sf/openrocket/motor/MotorConfigurationId.java
index d77d5467e..dc9c69362 100644
--- a/core/src/net/sf/openrocket/motor/MotorConfigurationId.java
+++ b/core/src/net/sf/openrocket/motor/MotorConfigurationId.java
@@ -33,10 +33,9 @@ public final class MotorConfigurationId {
 			throw new NullPointerException("Provided FlightConfigurationId was null");
 		}
 		
-		// Use intern so comparison can be done using == instead of equals()
-		final long upper = ((long)_mount.getID().hashCode()) << 32;
-		final long lower = _fcid.key.getLeastSignificantBits();
-		this.key = new UUID( upper, lower);
+		final long mountHash= ((long)_mount.getID().hashCode()) << 32;
+		final long fcidLower = _fcid.key.getMostSignificantBits();
+		this.key = new UUID( mountHash, fcidLower);
 	}
 		
 	@Override
@@ -56,6 +55,10 @@ public final class MotorConfigurationId {
 		return key.hashCode();
 	}
 	
+	public String toDebug(){
+		return toShortKey();
+	}
+	
 	@Override
 	public String toString(){
 		if( this.key == MotorConfigurationId.ERROR_KEY){
@@ -64,4 +67,13 @@ public final class MotorConfigurationId {
 			return key.toString();
 		}
 	}
+
+	public String toShortKey() {
+		final String keyString = key.toString();
+		final int lastIndex = -1 + keyString.length();
+		final int chunkLen = 4;
+		
+		// return the head + tail of the full 64-character id
+		return (keyString.substring(0,chunkLen)+"/"+keyString.substring(lastIndex - chunkLen,lastIndex));
+	}
 }
diff --git a/core/src/net/sf/openrocket/motor/MotorConfigurationSet.java b/core/src/net/sf/openrocket/motor/MotorConfigurationSet.java
index 16bf1cf2e..c986f06cb 100644
--- a/core/src/net/sf/openrocket/motor/MotorConfigurationSet.java
+++ b/core/src/net/sf/openrocket/motor/MotorConfigurationSet.java
@@ -4,7 +4,6 @@ import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
 import net.sf.openrocket.rocketcomponent.FlightConfigurableParameterSet;
 import net.sf.openrocket.rocketcomponent.FlightConfigurationId;
 import net.sf.openrocket.rocketcomponent.MotorMount;
-import net.sf.openrocket.rocketcomponent.RocketComponent;
 
 /**
  * FlightConfigurationSet for motors.
@@ -24,8 +23,15 @@ public class MotorConfigurationSet extends FlightConfigurableParameterSet<MotorC
 	 * @param component		the rocket component on which events are fired when the parameter values are changed
 	 * @param eventType		the event type that will be fired on changes
 	 */
-	public MotorConfigurationSet(FlightConfigurableParameterSet<MotorConfiguration> configSet, RocketComponent component) {
-		super(configSet);
+	public MotorConfigurationSet(FlightConfigurableParameterSet<MotorConfiguration> sourceSet, final MotorMount newMount) {
+		// creates a new empty config w/ default value
+		super( new MotorConfiguration( newMount, FlightConfigurationId.DEFAULT_VALUE_FCID ));
+		
+		for( MotorConfiguration sourceConfig : sourceSet ){
+			FlightConfigurationId nextFCID = sourceConfig.getFCID();
+			MotorConfiguration nextValue = new MotorConfiguration( newMount, nextFCID, sourceConfig);
+			set( nextFCID, nextValue );
+		}
 	}
 	
 	@Override
@@ -42,10 +48,18 @@ public class MotorConfigurationSet extends FlightConfigurableParameterSet<MotorC
 		for( FlightConfigurationId loopFCID : this.map.keySet()){
 			MotorConfiguration curConfig = this.map.get(loopFCID);
 			if( this.isDefault(loopFCID)){
-				buffer.append( " [DEFAULT] "+curConfig.toDebugDetail()+"\n");
+				buffer.append( "  [DEF]");
 			}else{
-				buffer.append( "           "+curConfig.toDebugDetail() +"\n");
+				buffer.append( "       ");
 			}
+			
+			buffer.append(String.format("@%10s=[fcid//%8s][mid//%8s][    %8s ign@: %12s]\n",
+					loopFCID.toShortKey(),
+					curConfig.getFCID().toShortKey(),
+					curConfig.getMID().toShortKey(),
+					curConfig.toMotorDescription(),
+					curConfig.toIgnitionDescription() ));
+						
 		}
 		return buffer.toString();
 	}
diff --git a/core/src/net/sf/openrocket/rocketcomponent/AxialStage.java b/core/src/net/sf/openrocket/rocketcomponent/AxialStage.java
index 5c2f403ef..84d8131a4 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/AxialStage.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/AxialStage.java
@@ -37,6 +37,11 @@ public class AxialStage extends ComponentAssembly implements FlightConfigurableC
 		return separations;
 	}
 	
+	@Override
+	public void reset( final FlightConfigurationId fcid){
+		separations.reset(fcid);
+	}
+	
 	// not strictly accurate, but this should provide an acceptable estimate for total vehicle size 
 	@Override
 	public Collection<Coordinate> getComponentBounds() {
diff --git a/core/src/net/sf/openrocket/rocketcomponent/BodyTube.java b/core/src/net/sf/openrocket/rocketcomponent/BodyTube.java
index b1f976b6d..734a96a4b 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/BodyTube.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/BodyTube.java
@@ -92,7 +92,6 @@ public class BodyTube extends SymmetricComponent implements MotorMount, Coaxial
 		return outerRadius;
 	}
 	
-	
 	/**
 	 * Set the outer radius of the body tube.  If the radius is less than the wall thickness,
 	 * the wall thickness is decreased accordingly of the value of the radius.
@@ -395,6 +394,11 @@ public class BodyTube extends SymmetricComponent implements MotorMount, Coaxial
 	public Iterator<MotorConfiguration> getMotorIterator(){
 		return this.motors.iterator();
 	}
+	
+	@Override
+	public void reset( final FlightConfigurationId fcid){
+		this.motors.reset(fcid);
+	}
 
 	@Override
 	public void copyFlightConfiguration(FlightConfigurationId oldConfigId, FlightConfigurationId newConfigId) {
diff --git a/core/src/net/sf/openrocket/rocketcomponent/FlightConfigurableComponent.java b/core/src/net/sf/openrocket/rocketcomponent/FlightConfigurableComponent.java
index 53434956f..187f276a2 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/FlightConfigurableComponent.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/FlightConfigurableComponent.java
@@ -16,4 +16,11 @@ public interface FlightConfigurableComponent {
 	 */
 	void copyFlightConfiguration(FlightConfigurationId oldConfigId, FlightConfigurationId newConfigId);
 	
+	/**
+	 * Reset a specific flight configuration ID to use the default parameter value.
+	 * 
+	 * @param fcid	the flight configuration ID
+	 */
+	void reset( final FlightConfigurationId fcid);
+	
 }
diff --git a/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java b/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
index a8d48be8e..135f84c10 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
@@ -371,7 +371,7 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
 					continue;
 				}
 				
-				this.motors.put( motorConfig.getID(), motorConfig);
+				this.motors.put( motorConfig.getMID(), motorConfig);
 			}
 		}
 		
diff --git a/core/src/net/sf/openrocket/rocketcomponent/InnerTube.java b/core/src/net/sf/openrocket/rocketcomponent/InnerTube.java
index 801d6b1c1..b70fb79cc 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/InnerTube.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/InnerTube.java
@@ -308,6 +308,10 @@ public class InnerTube extends ThicknessRingComponent implements Clusterable, Ra
 		motors.copyFlightConfiguration(oldConfigId, newConfigId);
 	}
 	
+	@Override
+	public void reset( final FlightConfigurationId fcid){
+		this.motors.reset(fcid);
+	}
 	
 	@Override
     public void setMotorMount(boolean _active){
diff --git a/core/src/net/sf/openrocket/rocketcomponent/RecoveryDevice.java b/core/src/net/sf/openrocket/rocketcomponent/RecoveryDevice.java
index e83b4abbc..7de46329c 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/RecoveryDevice.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/RecoveryDevice.java
@@ -94,6 +94,10 @@ public abstract class RecoveryDevice extends MassObject implements FlightConfigu
 		deploymentConfigurations.copyFlightConfiguration(oldConfigId, newConfigId);
 	}
 	
+	@Override
+	public void reset( final FlightConfigurationId fcid){
+		deploymentConfigurations.reset(fcid);
+	}
 	
 	@Override
 	public double getComponentMass() {
diff --git a/core/src/net/sf/openrocket/rocketcomponent/Rocket.java b/core/src/net/sf/openrocket/rocketcomponent/Rocket.java
index 7dd192ecf..d4fabc75d 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/Rocket.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/Rocket.java
@@ -589,7 +589,7 @@ public class Rocket extends RocketComponent {
 	 *
 	 * @param fcid   the flight configuration ID to remove
 	 */
-	public void removeFlightConfigurationID(FlightConfigurationId fcid) {
+	public void removeFlightConfiguration(final FlightConfigurationId fcid) {
 		checkState();
 		if( fcid.hasError() ){
 			return;
@@ -599,6 +599,17 @@ public class Rocket extends RocketComponent {
 			selectedConfiguration = configSet.getDefault();
 		}
 		
+		// removed any component configuration tied to this FCID
+		Iterator<RocketComponent> iterator = this.iterator();
+		while (iterator.hasNext()) {
+			RocketComponent comp = iterator.next();
+			
+			if (comp instanceof FlightConfigurableComponent){
+				FlightConfigurableComponent confbl = (FlightConfigurableComponent)comp;
+				confbl.reset( fcid);
+			}
+		}
+				
 		// Get current configuration:
 		this.configSet.reset( fcid);
 		fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
diff --git a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurablePanel.java b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurablePanel.java
index ddae1784b..8f3521489 100644
--- a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurablePanel.java
+++ b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurablePanel.java
@@ -29,9 +29,10 @@ import net.sf.openrocket.rocketcomponent.Rocket;
 import net.sf.openrocket.startup.Application;
 import net.sf.openrocket.util.Pair;
 
+
+@SuppressWarnings("serial")
 public abstract class FlightConfigurablePanel<T extends FlightConfigurableComponent> extends JPanel {
 
-	private static final long serialVersionUID = 3359871704879603700L;
 	protected static final Translator trans = Application.getTranslator();
 	private static final Logger log = LoggerFactory.getLogger(FlightConfigurablePanel.class);
 	protected RocketDescriptor descriptor = Application.getInjector().getInstance(RocketDescriptor.class);
@@ -160,7 +161,6 @@ public abstract class FlightConfigurablePanel<T extends FlightConfigurableCompon
 	}
 
 	protected abstract class FlightConfigurableCellRenderer extends DefaultTableCellRenderer {
-		private static final long serialVersionUID = 2026945220957913776L;
 
 		@Override
 		public Component getTableCellRendererComponent(JTable table, Object newValue, boolean isSelected, boolean hasFocus, int row, int column) {
diff --git a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java
index a77e7d92a..301b6fb80 100644
--- a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java
+++ b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java
@@ -28,6 +28,7 @@ import net.sf.openrocket.gui.dialogs.motor.MotorChooserDialog;
 import net.sf.openrocket.motor.IgnitionEvent;
 import net.sf.openrocket.motor.Motor;
 import net.sf.openrocket.motor.MotorConfiguration;
+import net.sf.openrocket.rocketcomponent.FlightConfiguration;
 import net.sf.openrocket.rocketcomponent.FlightConfigurationId;
 import net.sf.openrocket.rocketcomponent.MotorMount;
 import net.sf.openrocket.rocketcomponent.Rocket;
@@ -200,23 +201,22 @@ public class MotorConfigurationPanel extends FlightConfigurablePanel<MotorMount>
         if ( (null == fcid )||( null == curMount )){
             return;
         }
-        
-        //MotorInstance curInstance = curMount.getMotorInstance( fcid );
-        // curInstance may be empty here...
-        //String mountName = ((RocketComponent)curMount).getName();
-        //System.err.println("?? Selecting motor "+curInstance+" for mount: "+mountName+" for config: "+fcid.toShortKey());
-        
+
+        if( fcid.equals( FlightConfigurationId.DEFAULT_VALUE_FCID)){
+        	throw new IllegalStateException("Attempting to set a motor on the default FCID.");
+        }
+
 		motorChooserDialog.setMotorMountAndConfig( fcid, curMount );
 		motorChooserDialog.setVisible(true);
 
-		Motor mtr = motorChooserDialog.getSelectedMotor();
+        Motor mtr = motorChooserDialog.getSelectedMotor();
 		double d = motorChooserDialog.getSelectedDelay();
 		if (mtr != null) {
-			MotorConfiguration curConfig = curMount.getMotorConfig(fcid);
-			curConfig.setMotor(mtr);
-			curConfig.setEjectionDelay(d);
-			curConfig.setIgnitionEvent( IgnitionEvent.NEVER);
-			curMount.setMotorConfig( curConfig, fcid);
+	        final MotorConfiguration templateConfig = curMount.getMotorConfig(fcid);
+	        final MotorConfiguration newConfig = new MotorConfiguration( curMount, fcid, templateConfig);
+	        newConfig.setMotor(mtr);
+			newConfig.setEjectionDelay(d);
+			curMount.setMotorConfig( newConfig, fcid);
 		}
 
 		fireTableDataChanged();