Blue Bird BMS-705MG

Search Amazon Search eBay

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	705MG
Category	Hobby
Performance
Torque	6.0V 103.00 oz-in 4.8V 83.00 oz-in Below Average
Speed	6.0V 0.16 sec/60° 4.8V 0.18 sec/60° Below Average
Physical
Weight	1.09 ozAbove Average
Dimensions	L 1.685 in W 0.847 in H 0.925 in
Drivetrain
Gears	Steel
Gear Spline/Teeth	25 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Pulse Cycle	125 ms
Neutral Position	1520 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Water Rating	Water Resistant
Connectivity
Connector	JR (Universal)
Origin
Country of Origin	Taiwan

Submit Missing Data Report an Error

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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Below Average Stronger than 16% of 177 Low Profile servos at 4.8V
Speed	Below Average Faster than 10% of 175 Low Profile servos at 4.8V
Weight	Above Average Lighter than 75% of 52 Analog Low Profile servos

Performance Analysis

Shaft Power	0.85–1.19 W
Power Density	0.902 W/in³ More power-dense than 71% of 50 Analog Low Profile servos
Torque Density	2.6774 oz-in/g Stronger than 55% of 30 Blue Bird servos
Torque-to-Volume Ratio	62.87 oz-in/in³ Denser torque than 38% of 30 Blue Bird servos
Speed-to-Weight	0.17921 (1/sec·g) Faster than 48% of 30 Blue Bird servos
Speed-Torque Trade-off	14.94 Better balanced than 60% of 31 Blue Bird servos
Torque Gain per Volt	20.08%/V More voltage-responsive (torque) than 45% of 23 Blue Bird servos
Speed Gain per Volt	10.43%/V More voltage-responsive (speed) than 0% of 23 Blue Bird servos
Voltage Range Width	1.2 V Wider voltage range than 72% of 26 Analog Low Profile servos