Discover XQ-Power Servos in Our eBay Store!

Shop Now
Futaba BLS571SV
Low Profile Discontinued

Futaba BLS571SV

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-08
Identity
Brand Futaba
Product Number 01102261-3
Category Hobby
Discontinued Yes
Performance
Torque
7.4V 152.80 oz-in
6.6V 130.60 oz-in
6.0V 130.60 oz-in
4.8V 104.20 oz-in
Speed
7.4V 0.08 sec/60°
6.6V 0.10 sec/60°
6.0V 0.10 sec/60°
4.8V 0.13 sec/60°
Physical
Weight 1.45 ozAbove Average
Dimensions L 1.594 in
W 0.787 in
H 1.00 in
Case Material Plastic
Drivetrain
Motor Type Brushless
Gears Metal
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Control System SBUS2
Programmable Yes
Electrical & Environment
Operating Voltage 4–8.4 V
Water Rating Water Resistant

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

WeightAbove Average
Lighter than 90% of 251 Digital Low Profile servos

Performance Analysis

Shaft Power 1.48–3.53 W
Power Density2.815 W/in³
More power-dense than 44% of 215 Digital Low Profile servos
Torque Density2.5415 oz-in/g
Torque-to-Volume Ratio83.06 oz-in/in³
Speed-to-Weight0.18762 (1/sec·g)
Speed-Torque Trade-off13.55
Voltage Range Width4.4 V
Wider voltage range than 96% of 223 Digital Low Profile servos

Similar Active Servos

Reviews (1)

  • Gastonvk

    November 26, 2017

    Application(s): Steering servo on Xray NT1 1:10 IC RC car. I use 7.4 LiPo as Rx battery.

    Comments: Very fast response with high power. Durable gears. Highly recommended!

Submit a review of Futaba BLS571SV