The APC AP1107SFP is an RC prop intended for electric slow-fly machines where either pusher or reversed rotation mounting is needed. The 11x7 marking indicates the nominal diameter and pitch and guides matching the prop to motor and ESC combinations suited for low-speed flight.
Fit and compatibility: best used on lightweight slow-fly airframes that accept the hub size and mounting hardware. Verify hub bore and thread orientation before installation, and ensure the motor's rotation direction is set for the selected thrust layout.
Installation tips: orient the hub faces according to desired thrust, tighten the retaining nut so it will not slip but avoid excessive torque, and apply thread locker if the installation calls for it. Always perform a static balance and a low-power spin test prior to the first flight.
Tuning role: the AP1107SFP aims to boost static thrust at low RPMs to improve slow-speed handling and power economy. If you notice vibration or poor climb, inspect prop balance, review motor timing and ESC settings, and consider only recommended prop size adjustments.
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