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Flash Hobby BLS3858MED
Standard

Flash Hobby BLS3858MED

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand Flash Hobby
Product Number (add)
Category Hobby
Performance
Torque
8.4V 805.62 oz-in
7.4V 680.61 oz-in
6.0V 583.38 oz-in
Speed
8.4V 0.12 sec/60°
7.4V 0.14 sec/60°
6.0V 0.17 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 2.82 oz
Dimensions L 1.57 in
W 0.79 in
H 1.50 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Motor Drive (add)
Gears Steel
Gear Spline/Teeth 25 T
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 (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor Magnetic Encoder
Control System (add)
Programmable Yes
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–8.4 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating Waterproof
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal)
Wire Length 300 mm
Origin
Country of Origin China

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 6.35–12.41 W
Torque Density7.2923 oz-in/g
Stronger than 94% of the 832 Digital Standard servos in the database
Torque-to-Volume Ratio313.57 oz-in/in³
Denser torque than 96% of the 843 Digital Standard servos in the database
Power Density6.672 W/in³
More power-dense than 89% of the 1644 Digital Standard servos in the database
Speed-to-Weight0.07353 (1/sec·g)
Faster than 8% of the 821 Digital Standard servos in the database
Speed-Torque Trade-off99.19
Better balanced than 96% of the 826 Digital Standard servos in the database
Torque Gain per Volt15.87%/V
More voltage-responsive (torque) than 50% of the 673 Digital Standard servos in the database
Speed Gain per Volt17.37%/V
More voltage-responsive (speed) than 62% of the 687 Digital Standard servos in the database
Voltage Range Width2.4 V
Wider voltage range than 50% of the 1269 Digital Standard servos in the database

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