This is a nice, premium product, Made in USA. Tested in a real engineering wind tunnel, Cutting Edge Power's thick UV resistant 3 blades and hub are designed for any generator with a 1/8" shaft. The hub is press fit and locks to the shaft with 3 stainless steel set screws (included).
Compatible with Cutting Edge Power Mini Wind Turbine.
- 18" swept diameter
- Specially designed brass threads are pre-assembled and heat set into the blades to eliminate vibration. (included)
- Black stainless steel machine screws provide a long-lasting outdoor finish. (included) These are not zinc or carbon steel screws, they are stainless.
Aerodynamic grooves on the blades create a thin turbulent boundary layer on the surface, which allows the blade to flow smoothly through the wind, similar to golf ball dimples.
Excellent quality and well machined. This product is well worth the cost.