diff --git a/core/test/net/sf/openrocket/rocketcomponent/FlightConfigurationTest.java b/core/test/net/sf/openrocket/rocketcomponent/FlightConfigurationTest.java
index ebec46523..de5eb006f 100644
--- a/core/test/net/sf/openrocket/rocketcomponent/FlightConfigurationTest.java
+++ b/core/test/net/sf/openrocket/rocketcomponent/FlightConfigurationTest.java
@@ -462,9 +462,9 @@ public class FlightConfigurationTest extends BaseTestCase {
 					assertThat((Class<TrapezoidFinSet>) boosterFinContext0.component.getClass(), equalTo(TrapezoidFinSet.class));
 					assertThat(boosterFinContext0.instanceNumber, equalTo(0));
 					final Coordinate boosterFin0Location = boosterFinContext0.getLocation();
-					assertEquals(boosterFin0Location.x,  1.044, EPSILON);
-					assertEquals(boosterFin0Location.y, -0.104223611, EPSILON);
-					assertEquals(boosterFin0Location.z, -0.027223611, EPSILON);
+					assertEquals(1.044, boosterFin0Location.x, EPSILON);
+					assertEquals( -0.104223611, boosterFin0Location.y, EPSILON);
+					assertEquals( -0.027223611, boosterFin0Location.z, EPSILON);
 
 					final InstanceContext boosterFinContext1 = finContextList.get(4);
 					assertThat((Class<TrapezoidFinSet>) boosterFinContext1.component.getClass(), equalTo(TrapezoidFinSet.class));
diff --git a/core/test/net/sf/openrocket/rocketcomponent/FreeformFinSetTest.java b/core/test/net/sf/openrocket/rocketcomponent/FreeformFinSetTest.java
index 6b5160ede..9c2e3e9e0 100644
--- a/core/test/net/sf/openrocket/rocketcomponent/FreeformFinSetTest.java
+++ b/core/test/net/sf/openrocket/rocketcomponent/FreeformFinSetTest.java
@@ -1207,7 +1207,7 @@ public class FreeformFinSetTest extends BaseTestCase {
 		assertEquals(0.03423168, coords.x, EPSILON);
 		assertEquals(0.01427544, coords.y, EPSILON);
 		
-		BodyTube bt = new BodyTube();
+		BodyTube bt = new BodyTube(0.1, 0.1);
 		bt.addChild(fins);
 		FinSetCalc calc = new FinSetCalc(fins);
 		FlightConditions conditions = new FlightConditions(null);
diff --git a/core/test/net/sf/openrocket/rocketcomponent/RocketTest.java b/core/test/net/sf/openrocket/rocketcomponent/RocketTest.java
index 33dbd276f..7e0a631f5 100644
--- a/core/test/net/sf/openrocket/rocketcomponent/RocketTest.java
+++ b/core/test/net/sf/openrocket/rocketcomponent/RocketTest.java
@@ -55,6 +55,29 @@ public class RocketTest extends BaseTestCase {
 		//ComponentCompare.assertDeepEquality(r1, r2);
 	}
 
+	@Test
+	public void testAutoAlphaIII() {
+		Rocket rocket = TestRockets.makeEstesAlphaIII();
+
+		AxialStage stage = (AxialStage) rocket.getChild(0);
+
+		BodyTube body = (BodyTube)stage.getChild(1);
+		final double expRadius = 0.012;
+		double actRadius = body.getOuterRadius();
+		assertEquals(" radius match: ", expRadius, actRadius, EPSILON);
+
+		body.setOuterRadiusAutomatic(true);
+		actRadius = body.getOuterRadius();
+		assertEquals(" radius match: ", expRadius, actRadius, EPSILON);
+
+		final Transition transition = new Transition();
+		stage.addChild(transition);
+
+		transition.setForeRadiusAutomatic(true);
+		actRadius = transition.getForeRadius();
+		assertEquals(" trailing transition match: ", expRadius, actRadius, EPSILON);
+	}
+
 	@Test
 	public void testEstesAlphaIII(){
 		Rocket rocket = TestRockets.makeEstesAlphaIII();