The APC AP13055EP propeller is a purpose-made replacement for electric pusher configurations, with the 13x5.5WEP stamp denoting diameter and pitch in standard RC notation. Its wide blade shifts surface area forward of the hub to yield enhanced low speed thrust and a calmer response when used on rear-mounted motors.
Fitting is simple for skilled modelers: check that the propeller's rotation aligns with the intended thrust, secure it using the correct nut or shaft adapter, and static-balance the blade before flying. Aerodynamically the propeller alters performance - changes in blade form and pitch influence acceleration, climb behavior, and slow speed handling, so swapping to this wide profile will alter the throttle curve.
When matching the prop, confirm hub bore and thread compatibility with your motor shaft and adapter, ensure the prop clears the airframe and control surfaces, and keep an eye on motor draw and ESC temperatures after the change. Periodic inspections for chips, delamination or cracks are recommended; replace any damaged blade to avoid vibration or control issues.
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