diff --git a/src/main/java/resonantinduction/mechanical/network/MechanicalNetwork.java b/src/main/java/resonantinduction/mechanical/network/MechanicalNetwork.java
index 9aa33d13..93003cfe 100644
--- a/src/main/java/resonantinduction/mechanical/network/MechanicalNetwork.java
+++ b/src/main/java/resonantinduction/mechanical/network/MechanicalNetwork.java
@@ -6,6 +6,7 @@ import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 
+import resonantinduction.mechanical.process.TileGrinderWheel;
 import net.minecraftforge.common.ForgeDirection;
 import universalelectricity.api.net.IUpdate;
 import universalelectricity.core.net.Network;
@@ -80,7 +81,7 @@ public class MechanicalNetwork extends Network<IMechanicalNetwork, IMechanical>
 						float ratio = adjacentMech.getRatio(dir) / mechanical.getRatio(dir.getOpposite());
 						long torque = mechanical.getTorque();
 
-						boolean inverseRotation = mechanical.inverseRotation(dir, adjacentMech) || adjacentMech.inverseRotation(dir.getOpposite(), mechanical);
+						boolean inverseRotation = mechanical.inverseRotation(dir, adjacentMech) && adjacentMech.inverseRotation(dir.getOpposite(), mechanical);
 
 						int inversion = inverseRotation ? -1 : 1;
 
@@ -93,7 +94,7 @@ public class MechanicalNetwork extends Network<IMechanicalNetwork, IMechanical>
 
 						if (Math.abs(velocity + inversion * (adjacentMech.getAngularVelocity() * ratio * ACCELERATION)) < Math.abs(adjacentMech.getAngularVelocity() * ratio))
 						{
-							mechanical.setAngularVelocity(velocity + inversion * ((adjacentMech.getAngularVelocity() * ratio * ACCELERATION)));
+							mechanical.setAngularVelocity(velocity + (inversion * adjacentMech.getAngularVelocity() * ratio * ACCELERATION));
 						}
 					}
 				}
diff --git a/src/main/java/resonantinduction/mechanical/network/TileMechanical.java b/src/main/java/resonantinduction/mechanical/network/TileMechanical.java
index 17c6f34f..f5a8d2c5 100644
--- a/src/main/java/resonantinduction/mechanical/network/TileMechanical.java
+++ b/src/main/java/resonantinduction/mechanical/network/TileMechanical.java
@@ -1,13 +1,19 @@
 package resonantinduction.mechanical.network;
 
-import resonantinduction.mechanical.gear.PartGearShaft;
+import com.google.common.io.ByteArrayDataInput;
+
+import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.common.ForgeDirection;
+import resonantinduction.core.ResonantInduction;
+import resonantinduction.mechanical.gear.PartGearShaft;
 import universalelectricity.api.vector.Vector3;
+import calclavia.lib.network.IPacketReceiver;
+import calclavia.lib.network.PacketHandler;
 import calclavia.lib.prefab.tile.TileAdvanced;
 
-public abstract class TileMechanical extends TileAdvanced implements IMechanical
+public abstract class TileMechanical extends TileAdvanced implements IMechanical, IPacketReceiver
 {
 	/** The mechanical connections this connector has made */
 	protected Object[] connections = new Object[6];
@@ -16,6 +22,12 @@ public abstract class TileMechanical extends TileAdvanced implements IMechanical
 	protected long torque;
 	public float angle = 0;
 
+	/**
+	 * For sending client update packets
+	 */
+	private float prevAngularVelocity;
+	private boolean markPacketUpdate;
+
 	@Override
 	public void initiate()
 	{
@@ -29,6 +41,29 @@ public abstract class TileMechanical extends TileAdvanced implements IMechanical
 		angle += angularVelocity / 20;
 		torque *= getLoad();
 		angularVelocity *= getLoad();
+
+		if (Math.abs(prevAngularVelocity - angularVelocity) > 0.05f)
+		{
+			prevAngularVelocity = angularVelocity;
+			markPacketUpdate = true;
+		}
+
+		if (markPacketUpdate && ticks % 10 == 0)
+		{
+			sendRotationPacket();
+			markPacketUpdate = false;
+		}
+	}
+
+	private void sendRotationPacket()
+	{
+		PacketHandler.sendPacketToClients(ResonantInduction.PACKET_TILE.getPacket(this, angularVelocity), worldObj, new Vector3(this), 20);
+	}
+
+	@Override
+	public void onReceivePacket(ByteArrayDataInput data, EntityPlayer player, Object... extra)
+	{
+		angularVelocity = data.readFloat();
 	}
 
 	@Override
diff --git a/src/main/java/resonantinduction/mechanical/process/TileGrinderWheel.java b/src/main/java/resonantinduction/mechanical/process/TileGrinderWheel.java
index 46e8638c..8d39fd03 100644
--- a/src/main/java/resonantinduction/mechanical/process/TileGrinderWheel.java
+++ b/src/main/java/resonantinduction/mechanical/process/TileGrinderWheel.java
@@ -2,7 +2,10 @@ package resonantinduction.mechanical.process;
 
 import org.apache.commons.lang3.ArrayUtils;
 
+import com.google.common.io.ByteArrayDataInput;
+
 import net.minecraft.entity.item.EntityItem;
+import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.common.ForgeDirection;
@@ -167,6 +170,12 @@ public class TileGrinderWheel extends TileMechanical implements IRotatable
 	@Override
 	public boolean canConnect(ForgeDirection from, Object source)
 	{
-		return from != this.getDirection() && from != this.getDirection().getOpposite();
+		if (getDirection().ordinal() < 2)
+		{
+			return from.offsetY != 0;
+		}
+
+		return getDirection().getRotation(ForgeDirection.UP) == from || getDirection().getRotation(ForgeDirection.DOWN) == from;
 	}
+
 }