APC AP12047SF Propeller 12x4.7SF Electric Slow Flyer Replacement  [AP12047SF]

APC PROPELLER 12x4.7SF ELECTRIC SLOW FLYER
Price:
USD$5.10
Brand:
APC
Model:
AP12047SF
Condition:
Brand New
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Propeller for electric slow-flyers

This APC AP12047SF propeller is an RC-scale replacement part sized 12x4.7SF intended for electric slow-flyer aircraft. It serves as a direct spare for airframes that call for a medium-diameter, low-pitch blade aimed at gentle cruise and low-speed handling.

Installation is straightforward: use the model's existing prop adapter, spinner or nut system and follow the airframe manufacturer's fastening guidance. Check thread direction, torque and spinner clearance before flight. Balance the blade on a prop balancer or by trial weight trimming to reduce vibration and protect the motor and bearings.

In tuning terms this propeller is useful when adjusting climb rate versus top speed; the 4.7 pitch favors controllable climb and relaxed cruise on lightweight electric setups. Swapping to a different diameter or pitch will change RPM, thrust and current draw, so confirm ESC and motor limits before prolonged testing.

What size and pitch is this propeller and what does it affect?

The propeller is designated 12x4.7SF, where the numbers indicate diameter and pitch; pitch primarily affects speed and climb while diameter influences thrust and load on the motor.

How should I install and safety-check this propeller?

Mount with your aircraft's existing prop adapter or spinner, secure according to the airframe manual, verify proper thread direction and clearance, then balance the prop before the first flight.

Will changing to this prop affect motor current draw?

Yes, different diameter and pitch alter RPM and thrust which can change current draw; monitor motor and ESC temperatures and amp draw during initial test flights.

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