What are rotor blades made of?

Rotor blades are typically made from materials that provide a strong combination of strength, lightweight properties, and durability. Common materials include fiberglass, carbon fiber, and various metals like aluminum and titanium. These materials are often used in composite structures to enhance performance and reduce weight, which is crucial for efficient rotor operation in applications like helicopters and wind turbines. Additionally, some blades may have protective coatings to withstand environmental factors.