Ever wanted to put an engine on a ship for aesthetics reason but run out of room to do it?
Just add the lines in this text file to gc2types.xml file in /data/english and you will be able to add fake engines to your ships for aesthetic purposes.
LinkIt is great for balancing engines on each side of the ship when you can only place one real engine. Even more fun is to create super engines by placing many engines together, like this:

