Screw Turbine

grabcad

A Screw Turbine (or AST) is a design that, in the past, was used to fetch or lift water flowing from a lower surface to a higher surface. Nowadays, it is used as a small hydropower plant to generate electricity.The design that is shown above consists of only a cylindrical shaft that is rounded with a helicoid screw flight/blade.The design is inspired by the internet.Any suggestions, ideas, and tips will be highly appreciated.