Kpower HBL838

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	HBL838
Category	Hobby
Performance
Torque	7.4V102.79 oz-in
Speed	7.4V0.14 sec/60°
Physical
Weight	2.29 ozAverage
Dimensions	L 1.57 in W 0.79 in H 1.50 in
Case Material	Aluminum
Drivetrain
Motor Type	Brushless
Gears	Titanium
Rotation/Support	Dual Bearings
Control & Signal
Rotational Range	120°
Electrical & Environment
Operating Voltage	4.8–8.4 V

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Compatible Hardware

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*Based on known specs.

Class Comparison

Weight

Average

Lighter than 35% of 2538 Standard servos

Performance Analysis

Shaft Power	1.36 W
Power Density	0.730 W/in³ More power-dense than 33% of 62 Kpower servos
Torque Density	1.5814 oz-in/g
Torque-to-Volume Ratio	55.25 oz-in/in³
Speed-to-Weight	0.10989 (1/sec·g)
Speed-Torque Trade-off	14.39
Voltage Range Width	3.6 V Wider voltage range than 73% of 34 Kpower servos