Part comparison

KST BLS815 vs Savox SV-1270TG+

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

12 shared specs3 scored

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KSTKST BLS815BLS815

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SavoxSavox SV-1270TG+SV-1270TG+

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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

12 specifications compared side by side.

KST BLS815 / Savox SV-1270TG+
Compare bySpecification	AKSTKST BLS815	BSavoxSavox SV-1270TG+
Performance3
Stall torque	1.961 Nm	4.413 Nm2.452 Nm higher
Stall torque @ 8.4V	20 kg·cm	45 kg·cm25 kg·cm higher
Speed @ 8.4V	0.07 s/60°0.03 s/60° lower	0.1 s/60°
Electrical2
Minimum voltage	6 V	6 V
Maximum voltage	8.4 V	8.4 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 interfaces	PWM	PWM
Control modes	PWM servo	PWM servo
Servo signal	PWM	PWM
Other specifications1
PWM pulse center	1500 µs	1500 µs

AKSTKST BLS815

BSavoxSavox SV-1270TG+

Performance3

Stall torque

Part A1.961 Nm

Part B4.413 Nm2.452 Nm higher

Stall torque @ 8.4V

Part A20 kg·cm

Part B45 kg·cm25 kg·cm higher

Speed @ 8.4V

Part A0.07 s/60°0.03 s/60° lower

Part B0.1 s/60°

Electrical2

Minimum voltage

Part A6 V

Part B6 V

Maximum voltage

Part A8.4 V

Part B8.4 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 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

KST BLS815Open source ↗

Savox SV-1270TG+Open source ↗