APC Props 9.5x4.5 40 Free Flight RC Aircraft Propeller - APC09545

The APC Props 9.5x4.5 Free Flight propeller (APC09545) is a fixed-pitch RC aircraft prop designed for 40-class free flight and glow or electric powered models. APC's propellers are a well-regarded choice among aircraft modellers for consistent pitch accuracy and reliable balanced performance straight out of the packet. At 9.5 inches in diameter with a 4.5-inch pitch, this prop suits a specific class of model aircraft where diameter and pitch must be matched carefully to the engine or motor output for correct thrust and efficiency.

Key Features

• 9.5-inch diameter with 4.5-inch pitch, suited to 40-class free flight model aircraft applications
• Fixed-pitch design machined to consistent tolerances for reliable balance and smooth running
• Compatible with standard APC hub fittings — check your engine or motor shaft adapter requirements before fitting
• Lightweight construction helps maintain efficient thrust without adding unnecessary rotational mass
• Part number APC09545 makes it straightforward to reorder or cross-reference against engine manufacturer recommendations

What's Included

• 1x APC 9.5x4.5 free flight propeller (APC09545)

What You Need

• Suitable prop adapter or collet to match your engine or motor shaft diameter
• Engine or electric motor sized appropriately for a 9.5x4.5 pitch propeller load
• Prop balancer recommended before first flight to check and correct any minor imbalance