5.1x4.5E Electric
$2.43
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5.1x4.5E Electric
$2.43
Composite Nylon
Durable USA Molded Construction
5.1x4.5 Pitch
Optimized Electric Power Output
Silent Operation
Efficient Aerodynamic Profile Design
In Stock
Precision Power DeliveryMaximize Your RC Plane Thrust
Enhance your electric flight performance with the APC 5.1x4.5E Thin Electric Propeller, engineered specifically for high-efficiency electric RC airplane motors. Manufactured in the USA from durable composite nylon, this electric prop delivers exceptional thrust while minimizing noise and amp draw for peak flight times.
Competition Tested DesignAerodynamic Engineering for Sport Pilots
Since 1989, APC model aircraft propellers have set the performance standard for aerobatic, racing, and sport flying enthusiasts worldwide. The APC 5.1x4.5E Thin Electric Propeller features an advanced aerodynamic blade profile created via precise injection molding techniques. Designed specifically to handle high-RPM brushless motors without flexing, this propeller maximizes thrust output while maintaining a remarkably silent noise profile. Whether you are upgrading your parkflyer or fine-tuning a speed setup, the APC 5.1x4.5E Thin Electric Propeller provides the strength, reliability, and precise balance required for top-level radio control performance.
Technical DimensionsExact Fitment and Engineering Specs
Part Type
Propeller
Compatible Vehicles
Electric RC Airplanes
Propeller Diameter
5.1 in (129.5 mm) (ruler)
Propeller Pitch
4.5 in
Material
Molded Composite Nylon
Hub Thickness
0.34 in (8.6 mm) (measure)
Shaft Diameter
1/4 in (6.35 mm) (bolt)
Weight
0.18 oz (5.1 g) (weight)
Rotation Direction
Normal / Tractor
Color
Gray
Performance FeaturesKey Advantages of APC Engineering
Propeller DesignThin Electric profile optimized for high RPM electric motors
Manufacturing QualityDesigned and precision injection molded in the USA
Material CompoundHigh-strength glass-filled composite nylon
Aerodynamic EfficiencyReduced noise profile and optimized motor amp draw
Balanced PerformanceFactory balanced for smooth power output
Application RangeIdeal for electric sport planes and high-speed parkflyers
Frequently Asked QuestionsEverything you need to know
What type of motor is the APC 5.1x4.5E Thin Electric Propeller designed for?
The APC 5.1x4.5E Thin Electric Propeller is designed specifically for electric motor setups, performing exceptionally well with high-RPM brushless motors.
Can I use the APC 5.1x4.5E Thin Electric Propeller on a nitro engine?
No, the APC 5.1x4.5E Thin Electric Propeller is engineered solely for electric RC aircraft power systems and should not be used on glow or gas engines.
What rotation direction is the APC 5.1x4.5E Thin Electric Propeller?
The APC 5.1x4.5E Thin Electric Propeller features a standard Normal/Tractor rotation design.
Does the APC 5.1x4.5E Thin Electric Propeller require re-balancing before flight?
APC propellers are factory balanced during production, but checking precision balance on the APC 5.1x4.5E Thin Electric Propeller prior to mounting is always recommended for optimal performance.