APC AP04747EP Electric Propeller 4.75x4.75 EP Reverse/Pusher for Speed 400 Motor  [AP04747EP]

EP electric propeller, reverse/pusher

This APC AP04747EP propeller is an RC-scale replacement part specified as 4.75x4.75 for EP electric applications that reference Speed 400 motors. It is intended for model builders who fit reverse or pusher prop layouts on small electric craft where matching prop dimensions and rotation orientation to the motor is important.

Dimension labeling (4.75x4.75) indicates nominal diameter and pitch used by model tuners to estimate thrust and motor load; use that information to match the prop to your Speed 400 motor and the motor’s operating RPM. Because this prop is described for reverse/pusher mounting, confirm the rotation direction and securement method on your motor shaft before final installation.

Installation notes: check shaft diameter and the prop adapter you use, ensure the prop seats squarely on the hub, and tighten the retaining hardware to prevent slippage. After mounting, perform static balance and a low-throttle run to detect vibration or undue motor load. For trimming performance, adjust gear ratio, battery voltage and ESC configuration as needed to keep motor temperature and current within safe limits for Speed 400 setups.

Practical tuning role: this prop is a straightforward swap for trialing different pitches and orientations when optimizing climb, cruise speed, or static thrust on small electric scale models; expect changes in acceleration and RPM as you alter prop pitch or rotation direction.