Wind Turbine Blades (Update)

On friday in Engineering Class, Mr. Carpenter had told us to grab white boards and start making notes of things that we've noticed works best for our wind turbine blades throughout our several prototypes. My group had done two different prototypes. One with a blade angled 15 degrees and another with the blade angled negative 15 degrees. By doing so we realized that a blade angled negative 15 degrees works a lot better than a blade angled positive 15 degrees. The difference was small yet significant, a blade angled 15 degrees went .34 mW and a blade angled negative 15 degrees went .37 mW. Therefore, as you can see we came to the conclusion that a blade angled negative 15 degrees works better than one angled positive 15 degrees. Note, negative means it spins counterclockwise and positive means it spins clockwise. Thus, if you plan on creating a wind turbine, it will be more efficient if you make the blades spin counterclockwise as opposed to clockwise. So far, this has been our progression on what we've noticed throughout our many prototypes for this assignment.