APC AP0947SFP Reverse/Pusher Propeller 9x4.7 for Electric Slow-Flyers  [AP0947SFP]

APC PROPELLER 9x4.7SFP ELECTRIC SLOW FLYER REVERSE/PUSHER
Price:
AUD$5.38
Brand:
APC
Model:
AP0947SFP
Condition:
Brand New
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Details for reverse and pusher slow-flyer use

The APC AP0947SFP propeller suits electric slow-flyer models configured in a reverse or pusher orientation. The stamped 9x4.7 provides a quick reference for matching blade size and pitch to your motor and airframe.

Practical notes for hobbyists:

  • Compatibility: Match this prop where a 9x4.7 reverse or pusher prop is specified; verify spinner hub diameter and adapter fit before committing to installation.
  • Pre-install checks: Scan for manufacturing defects, make sure mounting boss and hole align correctly, and balance the assembly to reduce low-RPM shaking.
  • Installation tips: Fit with correct face orientation for pusher layouts, torque fasteners evenly, and re-check balance after securing the prop to the shaft.
  • Tuning role: Expect the 9x4.7 to influence static thrust and throttle response at low RPM; fine-tune ESC and motor settings for smoother slow-flight performance.
  • Safety: Carry out bench tests at reduced throttle to confirm secure fit and acceptable vibration levels before flying.

How does a 9x4.7 prop affect motor load and ESC settings?

A larger pitch increases prop load at higher throttle; for slow-flyers the 9x4.7 balances low-end thrust and efficiency, but you may need to adjust ESC throttle curves or reduce timing for smoother low-RPM torque.

What pre-flight safety checks should I perform?

Verify spinner and prop security, run the motor briefly at low throttle to check for vibration, and ensure there is no contact with airframe parts when controls move.

Is this prop suitable for composite or foam fuselages in pusher layouts?

Yes, but confirm clearance and inspect for vibration transfer to the airframe; softer mounts or padding near the hub can help protect foam or composite surfaces from repeated vibration.

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