diff --git a/block/qnb/BlockQuantumLinkChamber.java b/block/qnb/BlockQuantumLinkChamber.java
index f94a28d97..e60910661 100644
--- a/block/qnb/BlockQuantumLinkChamber.java
+++ b/block/qnb/BlockQuantumLinkChamber.java
@@ -1,11 +1,15 @@
 package appeng.block.qnb;
 
+import java.util.Arrays;
 import java.util.EnumSet;
+import java.util.List;
 import java.util.Random;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
+import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
 import appeng.block.AEBaseBlock;
@@ -15,12 +19,13 @@ import appeng.client.render.blocks.RenderQNB;
 import appeng.core.CommonHelper;
 import appeng.core.features.AEFeature;
 import appeng.core.sync.GuiBridge;
+import appeng.helpers.ICustomCollision;
 import appeng.tile.qnb.TileQuantumBridge;
 import appeng.util.Platform;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
 
-public class BlockQuantumLinkChamber extends AEBaseBlock
+public class BlockQuantumLinkChamber extends AEBaseBlock implements ICustomCollision
 {
 
 	public BlockQuantumLinkChamber() {
@@ -78,4 +83,18 @@ public class BlockQuantumLinkChamber extends AEBaseBlock
 		return false;
 	}
 
+	@Override
+	public Iterable<AxisAlignedBB> getSelectedBoundingBoxsFromPool(World w, int x, int y, int z, Entity e, boolean isVisual)
+	{
+		double OnePx = 2.0 / 16.0;
+		return Arrays.asList( new AxisAlignedBB[] { AxisAlignedBB.getBoundingBox( OnePx, OnePx, OnePx, 1.0 - OnePx, 1.0 - OnePx, 1.0 - OnePx ) } );
+	}
+
+	@Override
+	public void addCollidingBlockToList(World w, int x, int y, int z, AxisAlignedBB bb, List out, Entity e)
+	{
+		double OnePx = 2.0 / 16.0;
+		out.add( AxisAlignedBB.getAABBPool().getAABB( OnePx, OnePx, OnePx, 1.0 - OnePx, 1.0 - OnePx, 1.0 - OnePx ) );
+	}
+
 }
diff --git a/block/qnb/BlockQuantumRing.java b/block/qnb/BlockQuantumRing.java
index 30aed95dc..4f1a49f4c 100644
--- a/block/qnb/BlockQuantumRing.java
+++ b/block/qnb/BlockQuantumRing.java
@@ -1,17 +1,22 @@
 package appeng.block.qnb;
 
+import java.util.Arrays;
 import java.util.EnumSet;
+import java.util.List;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.world.World;
 import appeng.block.AEBaseBlock;
 import appeng.client.render.BaseBlockRender;
 import appeng.client.render.blocks.RenderQNB;
 import appeng.core.features.AEFeature;
+import appeng.helpers.ICustomCollision;
 import appeng.tile.qnb.TileQuantumBridge;
 
-public class BlockQuantumRing extends AEBaseBlock
+public class BlockQuantumRing extends AEBaseBlock implements ICustomCollision
 {
 
 	public BlockQuantumRing() {
@@ -38,4 +43,36 @@ public class BlockQuantumRing extends AEBaseBlock
 		return RenderQNB.class;
 	}
 
+	@Override
+	public Iterable<AxisAlignedBB> getSelectedBoundingBoxsFromPool(World w, int x, int y, int z, Entity e, boolean isVisual)
+	{
+		double OnePx = 2.0 / 16.0;
+		TileQuantumBridge bridge = getTileEntity( w, x, y, z );
+		if ( bridge != null && bridge.isCorner() )
+		{
+			OnePx = 4.0 / 16.0;
+		}
+		else if ( bridge != null && bridge.isFormed() )
+		{
+			OnePx = 1.0 / 16.0;
+		}
+		return Arrays.asList( new AxisAlignedBB[] { AxisAlignedBB.getBoundingBox( OnePx, OnePx, OnePx, 1.0 - OnePx, 1.0 - OnePx, 1.0 - OnePx ) } );
+	}
+
+	@Override
+	public void addCollidingBlockToList(World w, int x, int y, int z, AxisAlignedBB bb, List out, Entity e)
+	{
+		double OnePx = 2.0 / 16.0;
+		TileQuantumBridge bridge = getTileEntity( w, x, y, z );
+		if ( bridge != null && bridge.isCorner() )
+		{
+			OnePx = 4.0 / 16.0;
+		}
+		else if ( bridge != null && bridge.isFormed() )
+		{
+			OnePx = 1.0 / 16.0;
+		}
+		out.add( AxisAlignedBB.getAABBPool().getAABB( OnePx, OnePx, OnePx, 1.0 - OnePx, 1.0 - OnePx, 1.0 - OnePx ) );
+	}
+
 }
diff --git a/me/cluster/implementations/QuantumCluster.java b/me/cluster/implementations/QuantumCluster.java
index 32d1e031e..a1f67b19a 100644
--- a/me/cluster/implementations/QuantumCluster.java
+++ b/me/cluster/implementations/QuantumCluster.java
@@ -2,6 +2,7 @@ package appeng.me.cluster.implementations;
 
 import java.util.Iterator;
 
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.world.chunk.Chunk;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.common.util.ForgeDirection;
@@ -64,7 +65,10 @@ public class QuantumCluster implements ILocatable, IAECluster
 			{
 				Chunk c = qc.center.getWorldObj().getChunkFromBlockCoords( qc.center.xCoord, qc.center.zCoord );
 				if ( c.isChunkLoaded )
-					return false;
+				{
+					TileEntity te = qc.center.getWorldObj().getTileEntity( qc.center.xCoord, qc.center.yCoord, qc.center.zCoord );
+					return te != qc.center;
+				}
 			}
 		}
 		return true;