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Futaba BLS251
Standard Discontinued

Futaba BLS251

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand Futaba
Product Number FUTM0521
Category Hobby
Discontinued Yes
Performance
Torque
4.8V53.00 oz-in
Speed
4.8V0.06 sec/60°
Running Current (add)
Stall Current (add)
Shaft Power 1.63 W
Physical
Weight 2.10 oz
Dimensions L 1.57 in
W 0.79 in
H 1.45 in
Case Material (add)
Drivetrain
Motor Type Brushless
Motor Drive (add)
Gears Metal
Gear Spline/Teeth 21 T estimate
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 (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System (add)
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage (add)
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal)
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.

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Reviews (2)

  • silcom69

    September 23, 2023

    Application(s): Tail rotor 700 heli - TDR Henseleit

    Comments: Robust, precise and reliable.

  • Logos1

    June 20, 2012

    Application(s): Tailrotor 600heli (Mikado Logo)

    Comments: An outstanding servo! Sollid as a rock!

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