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CYS BLS5517
Low Profile

CYS BLS5517

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand CYS
Product Number CYS-BLS5517
Category Hobby
Performance
Torque
7.2V 83.32 oz-in
6.0V 69.44 oz-in Below Average
Speed
7.4V 0.05 sec/60°
6.0V 0.06 sec/60° Top 10%
Stall Current 3–3 AAbove Average
Physical
Weight 1.83 ozAverage
Dimensions L 1.575 in
W 0.787 in
H 0.992 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Titanium
Gear Spline/Teeth 25 T
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Direction Counterclockwise
Pulse Width 1000-2000 µs
Neutral Position 1500 µs
Dead Band 2 µs
Control System PWM
Electrical & Environment
Operating Voltage 6–7.4 V
Temperature -10–50 °C
Water Rating Waterproof
Idle Current 0.020 A
Connectivity
Connector JR (Universal) estimate
Wire Length 180 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.

Class Comparison

TorqueBelow Average
Stronger than 11% of 136 Digital Low Profile servos at 6.0V
SpeedTop 10%
Faster than 95% of 135 Digital Low Profile servos at 6.0V
WeightAverage
Lighter than 48% of 251 Digital Low Profile servos
Stall CurrentAbove Average
Lower draw than 70% of 64 Digital Low Profile servos

Performance Analysis

Shaft Power 2.14 W
Power Density1.740 W/in³
More power-dense than 22% of 215 Digital Low Profile servos
Torque Density1.3354 oz-in/g
Stronger than 5% of 136 Digital Low Profile servos
Torque-to-Volume Ratio56.47 oz-in/in³
Denser torque than 13% of 136 Digital Low Profile servos
Speed-to-Weight0.32051 (1/sec·g)
Faster than 93% of 135 Digital Low Profile servos
Speed-Torque Trade-off4.17
Better balanced than 3% of 134 Digital Low Profile servos
Current-per-Torque Ratio0.0432 A/oz-in
More efficient than 13% of 40 Digital Low Profile servos
Speed Gain per Volt14.29%/V
More voltage-responsive (speed) than 53% of 117 Digital Low Profile servos
Voltage Range Width1.4 V
Wider voltage range than 24% of 223 Digital Low Profile servos
Dead-Band-to-Pulse-Width Ratio0.0020
Finer dead band than 32% of 60 Digital Low Profile servos

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