WhirlWind’s RZ GA Series propellers (ASTM certified) are designed for LSA and S.T.O.L. type aircraft. Optimized planform shape and proprietary airfoils make this propeller efficient and very quiet in operation. The carbon fiber construction with X-Core™ ensures a safe, strong propeller with low inertia for quick throttle response. The Nickel leading edge provides superior abrasion protection and the the blade’s satin black surface finish will satisfy the most discriminating owner. WhirlWind’s GA blades are constructed from aerospace thermo-set composite materials, and are equipped with a full length electro-formed nickel leading edge for unparalleled durability and precise fit. These blades are light and durable, and are suitable for flying in rain and from unimproved airstrips. WhirlWind’s GA hubs are machined from aerospace grade billet aluminum.