Tired of copycat blocks completely throwing off your Create: Aeronautics airship physics? Copycats Weight Tweaker gives you full control over the mass properties of your copycat blocks so your assemblies fly exactly the way you designed them.
Physics adjustments do not apply in real-time. Because of how the data engine registers block properties during world initialization, you must save and reload your world (or restart the server) after changing your mass values for the new weights to take effect.