See, yeah, the way it blinks in and out of existence every time it moves made me suspect it became one big entity, hence why I thought this might work. But, when I actually tried to send it through the portal, it collided with the portal blocks and wouldn't even pass through them. -_-[DOUBLEPOST=1367938149][/DOUBLEPOST]Aaahhh, Ugocraft ...yeah, used that a few times, way too buggy for my taste. ^^ I once tried to combine it with the Zeppelin mod to have ships with rotating propellers and stuff, but ... yeah, I had to mining-laser that monstrosity out of the sky. XD