JR DS8911HV

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Technical Specifications

Last Updated: 2026-10-27

Identity
Brand
Product Number	JRPS8911HV
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V470.00 oz-inAbove Average
Speed	7.4V0.12 sec/60°Above Average
Physical
Weight	2.50 ozBelow Average
Dimensions	L 1.579 in W 0.819 in H 1.559 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	23 T
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	180°
Pulse Cycle	20 ms
Pulse Width	800-2200 µs
Dead Band	1 µs
Refresh Rate	50 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	7.4–7.4 V
Power Source	2S Li-Po / 2S Li-Fe
Regulator Type	Direct
Connectivity
Connector	JR (Universal)

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 89% of 1060 Digital Standard servos at 7.4V
Speed	Above Average Faster than 68% of 1045 Digital Standard servos at 7.4V
Weight	Below Average Lighter than 32% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	7.24 W
Power Density	3.592 W/in³ More power-dense than 68% of 1768 Digital Standard servos
Torque Density	6.6291 oz-in/g Stronger than 92% of 1053 Digital Standard servos
Torque-to-Volume Ratio	233.12 oz-in/in³ Denser torque than 89% of 1058 Digital Standard servos
Speed-to-Weight	0.11754 (1/sec·g) Faster than 53% of 1038 Digital Standard servos
Speed-Torque Trade-off	56.40 Better balanced than 82% of 1034 Digital Standard servos
Voltage Range Width	0.0 V Wider voltage range than 1% of 1560 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0007 Finer dead band than 92% of 504 Digital Standard servos