Spektrum H3055

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	SPMSH3055
Category	Hobby
Performance
Torque	6.0V 36.00 oz-in 4.8V 29.00 oz-in Average
Speed	6.0V 0.05 sec/60° 4.8V 0.07 sec/60° Top 10%
Physical
Weight	0.46 ozAverage
Dimensions	L 0.91 in W 0.47 in H 1.17 in
Drivetrain
Motor Type	Coreless Brushed
Gears	Metal
Gear Spline/Teeth	24 T
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Pulse Cycle	3.003 ms
Neutral Position	1520 µs
Dead Band	2 µs
Refresh Rate	333 Hz
Control System	PWM
Programmable	No
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal) estimate
Wire Length	200 mm

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Average Stronger than 55% of 328 Digital Micro servos at 4.8V
Speed	Top 10% Faster than 95% of 328 Digital Micro servos at 4.8V
Weight	Average Lighter than 35% of 620 Digital Micro servos

Performance Analysis

Shaft Power	0.80–1.26 W
Power Density	2.510 W/in³ More power-dense than 58% of 590 Digital Micro servos
Torque Density	2.2481 oz-in/g Stronger than 44% of 327 Digital Micro servos
Torque-to-Volume Ratio	57.95 oz-in/in³ Denser torque than 29% of 327 Digital Micro servos
Speed-to-Weight	1.15701 (1/sec·g) Faster than 76% of 327 Digital Micro servos
Speed-Torque Trade-off	1.94 Better balanced than 25% of 327 Digital Micro servos
Torque Gain per Volt	20.11%/V More voltage-responsive (torque) than 68% of 268 Digital Micro servos
Speed Gain per Volt	22.02%/V More voltage-responsive (speed) than 73% of 273 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 20% of 511 Digital Micro servos