Rotor blades, like aircraft wings, are essentially cantilevered beams with aerodynamic exteriors. Early blades were made of wood. More recently, they consist of fiberglass and epoxy resins manufactured by reaction injection molding in rather complex equipment. The quest for greater power will demand longer blades which has led designers to examine carbon fibers as a…
Wind turbine blade comes to DC with signatures and a message
GE Energy and the American Wind Energy Association (AWEA) recently delivered a petition from Americans in the form of a 131-foot wind turbine blade. The blade traveled more than 4,000 miles through 10 states gathering signatures from Americans who support a clean energy future. After it arrived in Washington, D.C., it was parked in front…