Weight
Part A79 g
Part B70 g9 g lower
Part comparison
Hitec D980TW vs KST BLS815
A side-by-side comparison of source-backed specifications within the same subcategory.
11 shared specs2 scored
Directional spec summary
Counts across 2 numeric specifications with a clear higher-or-lower direction.
Part A leads
1
Tied
0
Part B leads
1
These are metric-by-metric differences, not an overall performance score. Check the values below.
Specifications
11 specifications compared side by side.
| Compare bySpecification | AHitecHitec D980TW | BKSTKST BLS815 |
|---|---|---|
| Physical1 | ||
| Weight | 79 g | 70 g9 g lower |
| Performance1 | ||
| Stall torque | 4.315 Nm2.354 Nm higher | 1.961 Nm |
| Electrical2 | ||
| Minimum voltageUse-dependent | 4.8 V | 6 V |
| Maximum voltageUse-dependent | 7.4 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 |
AHitecHitec D980TW
BKSTKST BLS815
Physical1
Performance1
Stall torque
Part A4.315 Nm2.354 Nm higher
Part B1.961 Nm
Electrical2
Minimum voltageUse-dependent
Part A4.8 V
Part B6 V
Maximum voltageUse-dependent
Part A7.4 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
Hitec D980TWOpen source ↗
KST BLS815Open source ↗