This APC AP12047SF propeller is supplied as a 12x4.7SF replacement for electric slow-flyer aircraft. It is intended for installations that call for a moderate diameter and low pitch to support calm cruise and easy low-speed control.
Fitting is uncomplicated: use the aircraft's current prop adapter, spinner or nut arrangement and follow the airframe manufacturer's fastening instructions. Check thread direction, apply correct torque and ensure spinner clearance before flight. Balance the propeller on a balancer or by carefully trimming to reduce vibration and protect the motor bearings.
In tuning terms the 4.7 pitch prioritizes controllable climb over top-end speed on light electric setups. Switching to a different diameter or pitch will alter RPM, thrust and current draw, so always confirm ESC and motor limits during initial testing flights.
Copyright © 2008-2026 rcjaz.co.uk All rights reserved