Part comparison

Blue Bird BMS-28A vs Hitec D956WP

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

12 shared specs2 scored

Start over

No imageBlue BirdBlue Bird BMS-28ABMS-28A

View details

No imageHitecHitec D956WPD956WP

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

12 specifications compared side by side.

Blue Bird BMS-28A / Hitec D956WP
Compare bySpecification	ABlue BirdBlue Bird BMS-28A	BHitecHitec D956WP
Physical1
Weight	74 g	68 g6 g lower
Performance1
Stall torque	2.746 Nm	2.844 Nm0.098 Nm higher
Electrical2
Minimum voltageUse-dependent	6 V	4.8 V
Maximum voltage	7.4 V	7.4 V
Mechanical & integration4
Motor kind	Rc servo	Rc servo
Drive principle	servo actuator	servo actuator
ArchitectureUse-dependent	Integrated servo module	Rc servo module
Gear materialUse-dependent	metal	steel
Control & communication3
Communication interfaces	PWM	PWM
Control modes	PWM servo	PWM servo
Servo signal	PWM	PWM
Other specifications1
PWM pulse center	1500 µs	1500 µs

ABlue BirdBlue Bird BMS-28A

BHitecHitec D956WP

Physical1

Weight

Part A74 g

Part B68 g6 g lower

Performance1

Stall torque

Part A2.746 Nm

Part B2.844 Nm0.098 Nm higher

Electrical2

Minimum voltageUse-dependent

Part A6 V

Part B4.8 V

Maximum voltage

Part A7.4 V

Part B7.4 V

Mechanical & integration4

Motor kind

Part ARc servo

Part BRc servo

Drive principle

Part Aservo actuator

Part Bservo actuator

ArchitectureUse-dependent

Part AIntegrated servo module

Part BRc servo module

Gear materialUse-dependent

Part Ametal

Part Bsteel

Control & communication3

Communication interfaces

Part APWM

Part BPWM

Control modes

Part APWM servo

Part BPWM 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 ↗

Hitec D956WPOpen source ↗