Hi, I was just doing a tutorial, wich learns you how to make a podracer engine, all went well, untill I had to duplicate turbine fins, along an axis, It did not dupplicate right!

This is before duplicating, this fin, should be duplicated along the Z axis, so the fins duplicate around the engine thingy.



But when I duplicate it, this is what happends:



And I did exactly what the guy in the tutorial said.
Any ideas on what I could be doing wrong?