FMS 1300mm PA-18 3536 Motor Shaft For 1400mm Kingfisher, 1300mm PA-18, 1020mm F3A
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Frequently Asked Questions
Which aircraft and motors is this motor shaft compatible with?
This motor shaft is designed specifically for the FMS 3536-series brushless outrunner motor. It is compatible with the following three fixed-wing aircraft: 1400mm Kingfisher, 1300mm PA-18, and 1020mm F3A. Please verify that your motor is a 3536-size brushless outrunner. Other motor sizes (e.g., 3530, 3542) are not compatible.
What material is this motor shaft made of, and what are its specifications?
This motor shaft is manufactured from high-strength alloy steel with a hardened surface treatment, offering excellent wear resistance and torsional strength. Its dimensions match the factory-original FMS 3536 motor shaft exactly, ensuring precise fitment with both the motor rotor and propeller collet adapter.
Under what circumstances should I replace the motor shaft?
Replace the motor shaft if any of the following conditions occur: (1) The shaft is bent or deformed after a crash or hard landing; (2) The shaft is damaged due to propeller impact with foreign objects; (3) Visible wear or increased play develops after extended use; (4) Abnormal vibration or noise persists during motor operation after ruling out bearing issues. Warning: A bent motor shaft must be replaced. Continued use will cause excessive wear on motor bearings and may lead to motor failure.
What is included in the package?
This is a single replacement motor shaft only. The package contains one (1) 3536 motor shaft. It does not include the propeller collet adapter, mounting screws, E-clip/retaining clip, or any other hardware. Please reuse the original components from your motor for installation.
What should I pay attention to when replacing the motor shaft?
(1) Take photos of the original assembly order and component orientation before disassembly. (2) Ensure the motor shaft is concentric with the rotor during installation — avoid angular misalignment. (3) After installing the propeller collet, check for axial play (fore-aft movement). (4) Manually rotate the motor shaft after installation to verify smooth, noise-free operation. (5) Always confirm the propeller is securely tightened before the first power-up to prevent propeller throw.
What's in the Box
- 1x 3536 Motor Shaft
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Description
For 1400mm Kingfisher, 1300mm PA-18, 1020mm F3A
Shipping Info

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Domestic Orders (within the United States): Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days to arrive, depending on your location. Please note that delivery times may vary due to factors such as weather conditions and holidays.
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About Returns
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Once an order has been shipped and received without issue, returns are not accepted unless there is a quality problem with the product.
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If you wish to return a product that has been delivered normally and has no quality issues, you will be responsible for all related shipping costs and tariffs, and the product must be returned in its original condition.
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