15x4E APC AP1504E Electric RC Prop for Fixed-Wing Models  [AP1504E]

Durability and fit: APC AP1504E

This APC AP1504E propeller is supplied as a replacement for electric model aircraft where a 15x4E size is appropriate. The 15x4E label helps determine the diameter and pitch so modellers can match the prop to their motor and ESC. Keep this prop as a service item for routine swaps, repairs, or comparative trials between prop sizes.

Fit notes: the prop is suitable for electric RC models that accept a 15-inch diameter and 4-inch pitch. Do not presume compatibility with every airframe; check the hub bore and motor shaft diameter before ordering. Confirm that the prop's mounting hole aligns with your motor hardware to avoid fit issues.

Mounting guidance: use the correct thrust washer and nut or the appropriate adapter for your motor shaft, and tighten to the advised torque for your mounting hardware. After fitting, conduct a static run while the model is restrained to check for clearance and vibration. Re-balance the prop if it shows any imbalance using a prop balancer or small corrective weights.

Flight behaviour: moving to a 15x4E can shift cruise rpm and throttle feel compared with other sizes, with modest impact on climb and cruise performance. When trying a new prop, observe motor temperature and ESC loading during initial flights and make component or battery changes only if necessary to keep systems within safe limits.