diff --git a/core/src/net/sf/openrocket/file/rasaero/importt/BodyTubeHandler.java b/core/src/net/sf/openrocket/file/rasaero/importt/BodyTubeHandler.java
index 41f905912..d7ce9d2e3 100644
--- a/core/src/net/sf/openrocket/file/rasaero/importt/BodyTubeHandler.java
+++ b/core/src/net/sf/openrocket/file/rasaero/importt/BodyTubeHandler.java
@@ -70,7 +70,8 @@ public class BodyTubeHandler extends BaseHandler<BodyTube> {
     public void endHandler(String element, HashMap<String, String> attributes, String content, WarningSet warnings) throws SAXException {
         super.endHandler(element, attributes, content, warnings);
         this.bodyTube.setLength(length / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH);
-        this.bodyTube.setOuterRadius(diameter/2  / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH);
+        this.bodyTube.setOuterRadius(diameter/2  / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH);        // Not really useful, but included for completeness
+        this.bodyTube.setOuterRadiusAutomatic(true);
         this.bodyTube.setThickness(0.002);              // Arbitrary value; RASAero doesn't specify this
 
         if (launchLugDiameter > 0 && launchLugLength > 0) {
diff --git a/core/src/net/sf/openrocket/file/rasaero/importt/BoosterHandler.java b/core/src/net/sf/openrocket/file/rasaero/importt/BoosterHandler.java
index 0272e06e6..b01f1d886 100644
--- a/core/src/net/sf/openrocket/file/rasaero/importt/BoosterHandler.java
+++ b/core/src/net/sf/openrocket/file/rasaero/importt/BoosterHandler.java
@@ -22,6 +22,7 @@ public class BoosterHandler extends BodyTubeHandler {
     final AxialStage boosterStage;
     private double boatTailLength;
     private double boatTailRearDiameter;
+    private double shoulderLength;
 
     public BoosterHandler(DocumentLoadingContext context, RocketComponent parent) {
         super(context);
@@ -39,7 +40,8 @@ public class BoosterHandler extends BodyTubeHandler {
 
     @Override
     public ElementHandler openElement(String element, HashMap<String, String> attributes, WarningSet warnings) throws SAXException {
-        if (RASAeroCommonConstants.BOAT_TAIL_LENGTH.equals(element) || RASAeroCommonConstants.BOAT_TAIL_REAR_DIAMETER.equals(element)) {
+        if (RASAeroCommonConstants.BOAT_TAIL_LENGTH.equals(element) || RASAeroCommonConstants.BOAT_TAIL_REAR_DIAMETER.equals(element)
+                || RASAeroCommonConstants.SHOULDER_LENGTH.equals(element)) {
             return PlainTextHandler.INSTANCE;
         }
         return super.openElement(element, attributes, warnings);
@@ -52,6 +54,8 @@ public class BoosterHandler extends BodyTubeHandler {
             this.boatTailLength = Double.parseDouble(content) / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH;
         } else if (RASAeroCommonConstants.BOAT_TAIL_REAR_DIAMETER.equals(element)) {
             this.boatTailRearDiameter = Double.parseDouble(content) / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH;
+        } else if (RASAeroCommonConstants.SHOULDER_LENGTH.equals(element)) {
+            this.shoulderLength = Double.parseDouble(content) / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH;
         }
     }
 
@@ -59,6 +63,20 @@ public class BoosterHandler extends BodyTubeHandler {
     public void endHandler(String element, HashMap<String, String> attributes, String content, WarningSet warnings) throws SAXException {
         super.endHandler(element, attributes, content, warnings);
         this.bodyTube.setName(this.boosterStage.getName() + " Body Tube");
+        this.bodyTube.setOuterRadiusAutomatic(false);
+
+        // Add shoulder (transition) if it exists
+        if (shoulderLength > 0) {
+            Transition shoulder = new Transition();
+            shoulder.setName(boosterStage.getName() + " Shoulder");
+            shoulder.setColor(this.bodyTube.getColor());
+            shoulder.setShapeType(Transition.Shape.CONICAL);
+            shoulder.setLength(shoulderLength);
+            shoulder.setAftRadiusAutomatic(false);
+            shoulder.setForeRadiusAutomatic(true);
+            shoulder.setAftRadius(this.bodyTube.getOuterRadius());
+            this.boosterStage.addChild(shoulder, 0);
+        }
 
         // Add boat tail if it exists
         if (this.boatTailLength > 0 && this.boatTailRearDiameter > 0) {
diff --git a/core/src/net/sf/openrocket/file/rasaero/importt/FinCanHandler.java b/core/src/net/sf/openrocket/file/rasaero/importt/FinCanHandler.java
index 2806ba7cc..6a23d0fc4 100644
--- a/core/src/net/sf/openrocket/file/rasaero/importt/FinCanHandler.java
+++ b/core/src/net/sf/openrocket/file/rasaero/importt/FinCanHandler.java
@@ -55,11 +55,6 @@ public class FinCanHandler extends BodyTubeHandler {
         this.finCan.setAngleOffset(0);
     }
 
-    @Override
-    public ElementHandler openElement(String element, HashMap<String, String> attributes, WarningSet warnings) throws SAXException {
-        return super.openElement(element, attributes, warnings);
-    }
-
     @Override
     public void closeElement(String element, HashMap<String, String> attributes, String content, WarningSet warnings) throws SAXException {
         super.closeElement(element, attributes, content, warnings);
@@ -77,6 +72,7 @@ public class FinCanHandler extends BodyTubeHandler {
     @Override
     public void endHandler(String element, HashMap<String, String> attributes, String content, WarningSet warnings) throws SAXException {
         super.endHandler(element, attributes, content, warnings);
+        this.bodyTube.setOuterRadiusAutomatic(false);
 
         // Add the shoulder to the front of the fin can
         Transition shoulder = new Transition();
diff --git a/core/src/net/sf/openrocket/file/rasaero/importt/TransitionHandler.java b/core/src/net/sf/openrocket/file/rasaero/importt/TransitionHandler.java
index 35b004ed9..5efef4f95 100644
--- a/core/src/net/sf/openrocket/file/rasaero/importt/TransitionHandler.java
+++ b/core/src/net/sf/openrocket/file/rasaero/importt/TransitionHandler.java
@@ -61,7 +61,8 @@ public class TransitionHandler extends BaseHandler<Transition> {
     public void endHandler(String element, HashMap<String, String> attributes, String content, WarningSet warnings) throws SAXException {
         super.endHandler(element, attributes, content, warnings);
         this.transition.setLength(length / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH);
-        this.transition.setForeRadius(diameter/2  / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH);
+        this.transition.setForeRadius(diameter/2  / RASAeroCommonConstants.RASAERO_TO_OPENROCKET_LENGTH);       // Not really useful, but adding it for completeness
+        this.transition.setForeRadiusAutomatic(true);
         this.transition.setThickness(0.002);    // Arbitrary value; RASAero doesn't specify this
     }
 
diff --git a/core/src/net/sf/openrocket/rocketcomponent/RocketComponent.java b/core/src/net/sf/openrocket/rocketcomponent/RocketComponent.java
index e3f1cdcd4..e572c7640 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/RocketComponent.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/RocketComponent.java
@@ -1296,6 +1296,10 @@ public abstract class RocketComponent implements ChangeSource, Cloneable, Iterab
 		mutex.verify();
 		return 0;
 	}
+
+	public double getRadiusOffset(RadiusMethod method) {
+		return method.getRadius(this.parent, this, getRadiusOffset());
+	}
 	
 	public RadiusMethod getRadiusMethod() {
 		return RadiusMethod.COAXIAL;