The APC 18x8 Competition Pattern Propeller (part number APC18080) is engineered for large-scale RC aircraft demanding powerful low-end torque, smooth throttle response, and precision flight control. With its 18-inch diameter and 8-inch pitch, this prop is ideal for pattern competition, aerobatic sport flying, and 3D maneuvers using high-output glow or electric motors. Constructed from glass-reinforced nylon, the APC 18x8 is built for durability and efficiency, delivering reliable performance even under high-stress flight conditions. Each propeller is factory-balanced to ensure reduced vibration and optimal motor longevity. Key Features: Part Number: APC18080 Size: 18 x 8 (18" diameter x 8" pitch) Type: Competition Pattern / Sport Propeller Material: Glass-reinforced nylon composite Compatibility: Suitable for glow and electric-powered aircraft Performance Highlights: Excellent torque and throttle response for large aerobatic aircraft Ideal for precision maneuvers, pattern flying, and 3D Factory-balanced for smooth, vibration-free performance Hub: Requires adapter rings (sold separately) Made in USA: Precision-molded by APC for reliable, high-performance flight Take full control of your large-scale model with the APC 18x8 Competition Pattern Propeller [APC18080]—the ultimate upgrade for power, precision, and performance in the air.