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APC Propellers (APC)
SKU:APC10045MR
10x4.5 Multi Rotor Propeller (APC10045MR)
10x4.5 Multi Rotor Propeller (APC10045MR)
10 x 4.5 Multi-Rotor Propeller is a lightweight, high-performance option designed for quadcopters and other multi-rotor aircraft. It belongs to APC's MR line, positioned between the Thin Electric and Slow Flyer propellers to offer a balanced blend of light weight and speed. MR props are lighter than Thin Electric models and provide higher RPM potential than Slow Flyers, with a maximum RPM calculated as 105,000 divided by the prop diameter in inches.
Built for multi-rotor use, this 10 x 4.5 prop delivers responsive throttle and efficient thrust in a 10-inch package. It’s a versatile choice for pilots building agile, reliable quadcopters and other multi-rotor platforms that demand a lightweight prop with strong RPM capability.
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Parts List
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Product Manual

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Overview
The 10x4.5 Multi Rotor Propeller (APC10045MR) is designed specifically for Multi-Rotor applications, including Quad-Copters. APC delivers a propeller line that effectively bridges the gap between Thin Electric propellers and Slow Flyer propellers. The ‘MR’ propellers stand out by being lighter than Thin Electrics while offering a higher RPM capability than Slow Flyers.
For optimal performance, APC suggests a maximum RPM of 105,000 divided by the propeller diameter in inches for these Multi-Rotor props.
Features
- Designed specifically for Multi-Rotor applications, including Quad-Copters
- Lighter than Thin Electric propellers
- Higher RPM capability than Slow Flyer propellers
- Maximum RPM: 105,000 / prop diameter (inches)
- Size: 10 x 4.5 inches
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Specifications
- Model: APC10045MR
- Type: Multi-Rotor Propeller
- Diameter: 10 inches
- Pitch: 4.5 inches
- Maximum RPM: 105,000 / prop diameter (inches)
- Application: Designed for Multi-Rotor applications (Quad-Copters)
- Weight: Lighter than Thin Electric propellers
- RPM Capability: Higher than Slow Flyer propellers
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