13x4.5MR APC AP13045MR Multirotor Prop  [AP13045MR]

13x4.5MR Blade Summary

The APC AP13045MR propeller is engineered for electric multirotor RC aircraft. Its 13x4.5MR designation captures blade diameter and pitch, useful when matching the prop to motor and ESC characteristics on common multirotor frames. This overview highlights practical compatibility checks, basic fitting advice, and the prop's role in flight behavior tuning.

Compatibility is indicated by the name: the MR profile suits multirotor applications and is consistent with APC's multirotor lineup. Prior to installation ensure the rotation direction matches the motor and that the mounting hardware seats the prop firmly. Confirm hub sizing by comparison to current props or the motor adapter instead of forcing a fit.

Fitting checklist: inspect for nicks or deformation, fit the prop in the proper rotation, hand tighten the retaining hardware, and perform a cautious low-throttle spin to check clearance and vibration. If any vibration appears, withdraw the prop and inspect both the hub and blade; replace if damage or warping is present. Regular checks protect motors and ESCs from abnormal loads.

Performance note: the 13x4.5 profile gives a compromise between thrust and efficiency; changing blade dimensions or pitch will alter thrust and handling. Use blade swaps as part of controlled tuning tests and always trial changes at low power.