Steampunk Project - Random Pieces of Machinery Part 1

I've decided that I will be designing a steampunk weapon and as part of the designing process I am designing random pieces of machinery and mechanics. Here is my first piece of machinery an axial-flow fan.

For more renders, a video and the full project go to the dedicated page:

http://tfpearson.blogspot.com/p/steampunk-project.html