Part comparison

Blue Bird BMS-35A vs Hitec DB961WP

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

11 shared specs3 scored

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No imageBlue BirdBlue Bird BMS-35ABMS-35A

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HitecHitec DB961WPDB961WP

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Directional spec summary

Counts across 3 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-35A / Hitec DB961WP
Compare bySpecification	ABlue BirdBlue Bird BMS-35A	BHitecHitec DB961WP
Performance3
Stall torque	3.481 Nm	5.394 Nm1.913 Nm higher
Stall torque @ 7.4V	35.5 kg·cm	55 kg·cm19.5 kg·cm higher
Speed @ 7.4V	0.14 s/60°0.01 s/60° lower	0.15 s/60°
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	titanium	Steel 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-35A

BHitecHitec DB961WP

Performance3

Stall torque

Part A3.481 Nm

Part B5.394 Nm1.913 Nm higher

Stall torque @ 7.4V

Part A35.5 kg·cm

Part B55 kg·cm19.5 kg·cm higher

Speed @ 7.4V

Part A0.14 s/60°0.01 s/60° lower

Part B0.15 s/60°

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 Atitanium

Part BSteel Steel

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-35AOpen source ↗

Hitec DB961WPNo public source