Advantages
Lower unit protection is the primary advantage of composite materials. While the initial cost of a composite propeller is usually comparable to aluminum, it is significantly less than a stainless steel propeller. Additionally, replacement blades offer significant savings over metal propeller repairs. Another advantage to using composite propellers is that it is a lightweight material. Composite material is about half the weight of aluminum and 1/6 the weight of stainless steel propeller. A lightweight propeller reduces the amount of wear and tear on the entire boat.
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