This APC AP205135EPN is an RC electric pattern propeller supplied in a thin-hub variant to suit tighter spinner and motor assemblies. The designation 20.5x13.5 covers diameter and pitch, while the thin hub aims to provide a compact mounting profile for common electric setups.
Deploy this propeller when predictable response and precise control are required for pattern routines. Before first use, verify spinner or adapter fit, confirm the hub seats securely on the motor shaft or collet, and tighten according to the motor manufacturer's recommendations. This product is intended for model aircraft only.
Practical checks: rebalance the prop with a prop balancer, inspect for chips or warping after incidents, and refine motor timing and pitch settings at the bench to match your handling goals. The thin hub may necessitate a low-profile washer or spacer to ensure correct spinner clearance.
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