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Racerstar BL7146HV
Standard

Racerstar BL7146HV

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand Racerstar
Product Number (add)
Category Hobby
Performance
Torque
7.4V 638.82 oz-in
6.0V 536.05 oz-in
Speed
7.4V 0.10 sec/60°
6.0V 0.12 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 2.50 oz
Dimensions L 1.59 in
W 0.81 in
H 1.42 in
Case Material (add)
Drivetrain
Motor Type Brushless
Motor Drive (add)
Gears Metal
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range 180°
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width 500-2500 µs
Neutral Position 1520 µs
Dead Band 2 µs
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–7.4 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal)
Wire Length 265 mm
Origin
Country of Origin (add)

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 8.26–11.81 W
Torque Density7.5500 oz-in/g
Stronger than 95% of the 831 Digital Standard servos in the database
Torque-to-Volume Ratio293.11 oz-in/in³
Denser torque than 94% of the 842 Digital Standard servos in the database
Power Density6.459 W/in³
More power-dense than 88% of the 1643 Digital Standard servos in the database
Speed-to-Weight0.11737 (1/sec·g)
Faster than 49% of the 820 Digital Standard servos in the database
Speed-Torque Trade-off64.33
Better balanced than 86% of the 825 Digital Standard servos in the database
Torque Gain per Volt13.69%/V
More voltage-responsive (torque) than 34% of the 672 Digital Standard servos in the database
Speed Gain per Volt14.29%/V
More voltage-responsive (speed) than 42% of the 686 Digital Standard servos in the database
Voltage Range Width1.4 V
Wider voltage range than 26% of the 1268 Digital Standard servos in the database
Dead-Band-to-Pulse-Width Ratio0.0010
Finer dead band than 70% of the 326 Digital Standard servos in the database

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