Graupner HGM SST +T BBMG

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	S4086
Category	Hobby
Performance
Torque	7.4V 145.83 oz-in 6.0V 125.00 oz-in 4.8V 104.17 oz-in Below Average
Speed	7.4V 0.08 sec/60° 6.0V 0.09 sec/60° 4.8V 0.12 sec/60° Above Average
Physical
Weight	2.05 ozAbove Average
Dimensions	L 1.575 in W 0.768 in H 1.543 in
Case Material	Aluminum
Drivetrain
Motor Type	Brushless
Gears	Steel
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	90°
Pulse Cycle	2.5 ms
Neutral Position	1500 µs
Refresh Rate	400 Hz
Control System	PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–8.4 V
Power Source	2S LiPo
Idle Current	0.035 A
Connectivity
Connector	JR (Universal)

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*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 19% of 1060 Digital Standard servos at 4.8V
Speed	Above Average Faster than 66% of 1045 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 67% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	1.61–3.60 W
Power Density	1.927 W/in³ More power-dense than 43% of 1768 Digital Standard servos
Torque Density	1.7960 oz-in/g Stronger than 17% of 1053 Digital Standard servos
Torque-to-Volume Ratio	55.83 oz-in/in³ Denser torque than 18% of 1058 Digital Standard servos
Speed-to-Weight	0.14368 (1/sec·g) Faster than 70% of 1038 Digital Standard servos
Speed-Torque Trade-off	12.50 Better balanced than 18% of 1034 Digital Standard servos
Voltage Range Width	3.6 V Wider voltage range than 85% of 1560 Digital Standard servos