APC AP13045MR 13x4.5MR Electric Multirotor Propeller  [AP13045MR]

APC AP13045MR Multirotor Propeller Details

The APC AP13045MR is a purpose made propeller for electric multirotor RC models. The 13x4.5MR marking denotes the diameter and pitch combination, which helps match motors and ESCs typically used on small to medium multirotor frames. This description covers fit checks, simple installation steps, and how this prop can affect flight tuning and routine upkeep.

Fit and compatibility follow the product name: the blade uses the MR multirotor profile found across APC prop lines. Before fitting, confirm the prop's rotation direction aligns with the motor and ensure the adapter or nut secures the hub without play. Do not force a prop onto an unknown hub size; compare it to existing blades or your motor adapter first.

Installation checklist: inspect the prop for visible damage, mount in the correct rotation orientation, hand tighten the retaining hardware, then run a low throttle spin check to verify clearance and vibration. If you detect vibration, remove the prop and examine the hub and blades; replace if you find cracks or warping. Regular inspections reduce abnormal loads on motors and ESCs.

Tuning notes: a 13x4.5 profile balances lift and efficiency for many setups and swapping blade diameter or pitch will change thrust and handling. Treat blade changes as part of iterative tuning, and always test adjustments safely at low throttle.