APC AP0474 Propeller 4.75x4 (1/2A PYLON/COMBAT) — RC spare propeller  [AP0474]

4.75x4 propeller for 1/2A pylon/combat

This APC AP0474 propeller is an RC-scale replacement blade intended for 1/2A pylon and combat sport models. It is molded from polycarbonate and designed for small-scale sport flight where quick prop swaps and fine trimming are common. The description focuses on fitting, installation care, and how changing a propeller affects flight characteristics rather than claiming performance figures.

Compatibility is determined by hub bore and shaft size rather than model name alone. Before fitting, confirm the prop bore matches your prop adapter or hub; adapters are common for matching propellers to different shaft diameters. Allow adequate clearance from the airframe and control surfaces to avoid strikes during high-angle manoeuvres.

Installation notes: mount the propeller so blade pitch and rotation match the motor direction, hand-tighten the retaining nut or collet, then follow with the correct torque for your prop adapter. After mounting, static-balance the propeller and verify no rubbing occurs at full control deflection. Conduct a low-throttle run-in to check vibration and retention before full-power flights.

Tuning role: swapping to a 4.75x4 propeller changes thrust and response relative to other diameters and pitches, so use prop swaps as a tuning step—balance, observe motor load, and make incremental adjustments to power settings or prop choice to refine handling for pylon or combat formats. This description treats the part solely as an RC accessory and avoids implications for full-size vehicles.