HobbyKing HK-5320

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*Based on known specs.

Technical Specifications

Last Updated: 2026-09-16

Identity
Brand
Product Number	HK-5320
Category	Hobby
Performance
Torque	4.2V 1.04 oz-in 2.8V 0.70 oz-in Bottom 10%
Speed	4.2V 0.05 sec/60° 2.8V 0.07 sec/60° Above Average
Physical
Weight	0.06 ozTop 10%
Dimensions	L 0.551 in W 0.244 in H 0.63 in
Drivetrain
Motor Type	Coreless
Gears	Plastic
Gear Spline/Teeth	24 T
Control & Signal
Modulation	Digital
Dead Band	4 µs
Control System	PWM
Electrical & Environment
Operating Voltage	2.8–4.2 V
Connectivity
Connector	JST-Molex

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Bottom 10% Stronger than 0% of 29 Nano servos at 2.8V
Speed	Above Average Faster than 89% of 29 Nano servos at 2.8V
Weight	Top 10% Lighter than 98% of 41 Digital Nano servos

Performance Analysis

Shaft Power	0.02–0.04 W
Power Density	0.454 W/in³ More power-dense than 15% of 35 Digital Nano servos
Torque Density	0.4118 oz-in/g Stronger than 0% of 29 Nano servos
Torque-to-Volume Ratio	8.26 oz-in/in³ Denser torque than 0% of 29 Nano servos
Speed-to-Weight	8.40336 (1/sec·g) 3rd-highest speed-to-weight of 29 Nano servos
Speed-Torque Trade-off	0.05 Better balanced than 0% of 29 Nano servos
Torque Gain per Volt	34.69%/V More voltage-responsive (torque) than 97% of 2020 Hobby servos
Speed Gain per Volt	28.58%/V More voltage-responsive (speed) than 97% of 2056 Hobby servos
Voltage Range Width	1.4 V Wider voltage range than 42% of 32 Digital Nano servos