>>2444037It was an ancient mod that allowed for mobile structures and functional restone to boot: the tank can't actually move over inclines and is stuck in position. It's a shame none of the mobile block mods ever matured to the point their creators wanted them.
Here's a later mod which had better physics but lacked redstone utility. These sort of things are usually better with ships then they are on ground vehicles, which never got any satisfactory attention by major modders.
