Part comparison

Blue Bird BMS-28A vs Futaba BLS172SV

A side-by-side comparison of source-backed specifications within the same subcategory.

11 shared specs2 scored

Start over

No imageBlue BirdBlue Bird BMS-28ABMS-28A

View details

FutabaFutaba BLS172SVBLS172SV

View details

Directional spec summary

Counts across 2 numeric specifications with a clear higher-or-lower direction.

Part A leads

Tied

Part B leads

These are metric-by-metric differences, not an overall performance score. Check the values below.

Specifications

11 specifications compared side by side.

Blue Bird BMS-28A / Futaba BLS172SV
Compare bySpecification	ABlue BirdBlue Bird BMS-28A	BFutabaFutaba BLS172SV
Physical1
Weight	74 g	74 g
Performance1
Stall torque	2.746 Nm	3.628 Nm0.882 Nm higher
Electrical2
Minimum voltageUse-dependent	6 V	6.6 V
Maximum voltage	7.4 V	7.4 V
Mechanical & integration3
Motor kind	Rc servo	Rc servo
Drive principle	servo actuator	servo actuator
Architecture	Integrated servo module	Integrated servo module
Control & communication3
Communication interfacesUse-dependent	PWM	PWM;S.Bus2
Control modesUse-dependent	PWM servo	PWM/S.Bus2 servo
Servo signal	PWM	PWM
Other specifications1
PWM pulse center	1500 µs	1500 µs

ABlue BirdBlue Bird BMS-28A

BFutabaFutaba BLS172SV

Physical1

Weight

Part A74 g

Part B74 g

Performance1

Stall torque

Part A2.746 Nm

Part B3.628 Nm0.882 Nm higher

Electrical2

Minimum voltageUse-dependent

Part A6 V

Part B6.6 V

Maximum voltage

Part A7.4 V

Part B7.4 V

Mechanical & integration3

Motor kind

Part ARc servo

Part BRc servo

Drive principle

Part Aservo actuator

Part Bservo actuator

Architecture

Part AIntegrated servo module

Part BIntegrated servo module

Control & communication3

Communication interfacesUse-dependent

Part APWM

Part BPWM;S.Bus2

Control modesUse-dependent

Part APWM servo

Part BPWM/S.Bus2 servo

Servo signal

Part APWM

Part BPWM

Other specifications1

PWM pulse center

Part A1500 µs

Part B1500 µs

Product sources

Product sources used by this comparison

Blue Bird BMS-28AOpen source ↗

Futaba BLS172SVOpen source ↗