The 8.5x4.5 Folding Carbon Propeller Set is designed for electric RC aircraft that require a larger folding propeller setup. Its folding blade design helps reduce propeller damage risk during landing and provides a cleaner, more compact setup when the motor is not running.
This propeller can be used on suitable electric RC airplanes, gliders, and custom aircraft setups. Compatibility should always be checked according to the motor, battery, ESC, aircraft weight, and available propeller clearance.
Because this is a larger propeller than small park flyer sizes, setup safety is especially important. Always make sure the propeller, hub parts, screws, and motor shaft connection are properly installed before running the motor.
Key Features
- 8.5x4.5 folding propeller size
- Compatible with 4 mm motor shafts
- Folding blade design for safer landings and easier transport
- Suitable for electric RC aircraft and glider-style models
- Includes hub/adaptor parts and mounting screws
- Lightweight and practical propeller solution for custom RC setups
Package Includes
- 1x 8.5x4.5 folding propeller set
- 2 types of hub/adaptor parts
- Mounting screws
Technical Specifications
| Specification | Value |
|---|---|
| Propeller Size | 8.5x4.5 inch |
| Shaft Compatibility | 4 mm |
| Propeller Type | Folding |
| Material | Carbon alloy / carbon-reinforced material |
| Application | Electric RC aircraft |
| Brand | SF MODEL |
| Maximum RPM | Do not exceed 10,000 rpm |
Compatibility Note
This propeller is suitable for electric RC aircraft that support an 8.5x4.5 propeller size and a 4 mm shaft connection. Before use, check your motor KV, battery voltage, ESC capacity, aircraft weight, and propeller clearance.
Do not use this propeller on setups that exceed the recommended operating range. If you are unsure about compatibility, test with a wattmeter and check motor, ESC, and battery temperatures carefully.
Safety Warning
Do not exceed 10,000 rpm. Running the propeller above the recommended speed may cause blade failure or propeller breakage.
Before every use, inspect the propeller blades, hub/adaptor parts, screws, and motor shaft connection. Do not use the propeller if there are cracks, deformation, loose parts, or visible damage.
Always run motor tests from a safe distance and keep people, hands, cables, and loose objects away from the propeller arc.
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