How to make a helice 4 pale on SolidWorks 2007?

Hi, every one, I'm student and i may know how to make a helice pale on SolidWorks 2007?
This helice will be Use in A purification station.
Thanks

2 Answers

It looks like a boat prop. I would go to the Grab Cad library and reverse engineer some of the props there to see how its done.

Thanks :)