Weight
Part A65 g5 g lower
Part B70 g
Part comparison
FEETECH FT5116M vs KST BLS815
A side-by-side comparison of source-backed specifications within the same subcategory.
12 shared specs3 scored
Directional spec summary
Counts across 3 numeric specifications with a clear higher-or-lower direction.
Part A leads
1
Tied
0
Part B leads
2
These are metric-by-metric differences, not an overall performance score. Check the values below.
Specifications
12 specifications compared side by side.
| Compare bySpecification | AFEETECHFEETECH FT5116M | BKSTKST BLS815 |
|---|---|---|
| Physical1 | ||
| Weight | 65 g5 g lower | 70 g |
| Performance2 | ||
| Stall torque | 1.471 Nm | 1.961 Nm0.49 Nm higher |
| Stall torque @ 8.4V | 15 kg·cm | 20 kg·cm5 kg·cm higher |
| Electrical2 | ||
| Minimum voltageUse-dependent | 4 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 interfacesUse-dependent | PWM/feedback | PWM |
| Control modesUse-dependent | PWM servo;programmable | PWM servo |
| Servo signal | PWM | PWM |
| Other specifications1 | ||
| PWM pulse center | 1500 µs | 1500 µs |
AFEETECHFEETECH FT5116M
BKSTKST BLS815
Physical1
Performance2
Stall torque
Part A1.471 Nm
Part B1.961 Nm0.49 Nm higher
Stall torque @ 8.4V
Part A15 kg·cm
Part B20 kg·cm5 kg·cm higher
Electrical2
Minimum voltageUse-dependent
Part A4 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 interfacesUse-dependent
Part APWM/feedback
Part BPWM
Control modesUse-dependent
Part APWM servo;programmable
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
FEETECH FT5116MOpen source ↗
KST BLS815Open source ↗