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RJX Hobby BLS0521THV
Standard

RJX Hobby BLS0521THV

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand RJX Hobby
Product Number (add)
Category Hobby
Performance
Torque
8.4V 116.68 oz-in
7.4V 102.79 oz-in
6.0V 83.34 oz-in
Speed
8.4V 0.03 sec/60°
7.4V 0.03 sec/60°
6.0V 0.04 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 2.47 oz
Dimensions L 1.46 in
W 0.79 in
H 1.57 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Motor Drive (add)
Gears Metal
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support (add)
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 760 µs
Dead Band (add)
Refresh Rate 333 Hz
Angle Sensor (add)
Control System (add)
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–8.4 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal) estimate
Wire Length (add)
Origin
Country of Origin China

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Performance Analysis

Shaft Power 3.85–7.19 W
Torque Density1.1906 oz-in/g
Stronger than 8% of the 831 Digital Standard servos in the database
Torque-to-Volume Ratio46.02 oz-in/in³
Denser torque than 14% of the 842 Digital Standard servos in the database
Power Density3.971 W/in³
More power-dense than 71% of the 1643 Digital Standard servos in the database
Speed-to-Weight0.35714 (1/sec·g)
Faster than 97% of the 820 Digital Standard servos in the database
Speed-Torque Trade-off3.33
Better balanced than 5% of the 825 Digital Standard servos in the database
Torque Gain per Volt16.67%/V
More voltage-responsive (torque) than 60% of the 672 Digital Standard servos in the database
Speed Gain per Volt13.89%/V
More voltage-responsive (speed) than 39% of the 686 Digital Standard servos in the database
Voltage Range Width2.4 V
Wider voltage range than 48% of the 1268 Digital Standard servos in the database

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