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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 Above Average
Speed
7.4V 0.11 sec/60°
6.0V 0.14 sec/60° Average
Physical
Weight 2.72 ozBelow Average
Dimensions L 1.594 in
W 0.827 in
H 1.512 in
Case Material Aluminum / Plastic
Drivetrain
Motor Type Brushless
Gears Metal
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Neutral Position 1520 µs
Electrical & Environment
Operating Voltage 6–7.4 V
Connectivity
Connector Futaba J

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.

Class Comparison

TorqueAbove Average
Stronger than 88% of 1060 Digital Standard servos at 6.0V
SpeedAverage
Faster than 52% of 1045 Digital Standard servos at 6.0V
WeightBelow Average
Lighter than 19% of 1880 Digital Standard servos

Performance Analysis

Shaft Power 5.69–8.64 W
Power Density4.334 W/in³
More power-dense than 74% of 1768 Digital Standard servos
Torque Density5.5922 oz-in/g
Stronger than 85% of 1053 Digital Standard servos
Torque-to-Volume Ratio216.04 oz-in/in³
Denser torque than 87% of 1058 Digital Standard servos
Speed-to-Weight0.09276 (1/sec·g)
Faster than 29% of 1038 Digital Standard servos
Speed-Torque Trade-off60.28
Better balanced than 85% of 1034 Digital Standard servos
Torque Gain per Volt13.82%/V
More voltage-responsive (torque) than 38% of 873 Digital Standard servos
Speed Gain per Volt19.48%/V
More voltage-responsive (speed) than 77% of 874 Digital Standard servos
Voltage Range Width1.4 V
Wider voltage range than 37% of 1560 Digital Standard servos

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