Im not sure if I understand what you mean, but the only reason I could think icebergs would do such things is that you have placed them too shallow. I once put a group of icebergs in very shallow water and was rewarded with this wierd looking island where 50m high icebergs had "fell" on their sides because there wasnt enough water for them to actually "float" :P
And escpecially if you have given them some speed it could be that they are just hitting the bottom all the time.
|