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Futaba BLS157HV
Standard Discontinued

Futaba BLS157HV

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-09-14
Identity
Brand Futaba
Product Number FUTM0751
Category Hobby
Discontinued Yes
Performance
Torque
7.4V 513.90 oz-in
6.0V 430.60 oz-in
Speed
7.4V 0.11 sec/60°
6.0V 0.14 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 2.72 oz
Dimensions L 1.59 in
W 0.83 in
H 1.51 in
Case Material Aluminum / Plastic
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 (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1520 µs
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System (add)
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 Futaba J
Wire Length (add)
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 5.69–8.64 W
Torque Density5.5922 oz-in/g
Stronger than 83% of the 833 Digital Standard servos in the database
Torque-to-Volume Ratio216.04 oz-in/in³
Denser torque than 85% of the 844 Digital Standard servos in the database
Power Density4.334 W/in³
More power-dense than 73% of the 1645 Digital Standard servos in the database
Speed-to-Weight0.09276 (1/sec·g)
Faster than 27% of the 822 Digital Standard servos in the database
Speed-Torque Trade-off60.28
Better balanced than 85% of the 827 Digital Standard servos in the database
Torque Gain per Volt13.82%/V
More voltage-responsive (torque) than 36% of the 674 Digital Standard servos in the database
Speed Gain per Volt19.48%/V
More voltage-responsive (speed) than 77% of the 688 Digital Standard servos in the database
Voltage Range Width1.4 V
Wider voltage range than 37% of the 1271 Digital Standard servos in the database

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