Weight
Part A74 g5 g lower
Part B79 g
Part comparison
A side-by-side comparison of source-backed specifications within the same subcategory.
Directional spec summary
Counts across 2 numeric specifications with a clear higher-or-lower direction.
Part A leads
2
Tied
0
Part B leads
0
These are metric-by-metric differences, not an overall performance score. Check the values below.
13 specifications compared side by side.
| Compare bySpecification | AFutabaFutaba S9177SV | BMKSMKS HBL550 |
|---|---|---|
| Physical1 | ||
| Weight | 74 g5 g lower | 79 g |
| Performance1 | ||
| Stall torque | 4.021 Nm0.196 Nm higher | 3.825 Nm |
| Electrical2 | ||
| Minimum voltageUse-dependent | 4.8 V | 6 V |
| Maximum voltageUse-dependent | 7.4 V | 8.4 V |
| Mechanical & integration4 | ||
| Motor kind | Rc servo | Rc servo |
| Drive principle | servo actuator | servo actuator |
| Architecture | Integrated servo module | Integrated servo module |
| Gear material | metal | metal |
| Control & communication3 | ||
| Communication interfacesUse-dependent | PWM;S.Bus2 | PWM |
| Control modesUse-dependent | PWM/S.Bus2 servo | PWM servo |
| Servo signal | PWM | PWM |
| Other specifications2 | ||
| PWM pulse center | 1500 µs | 1500 µs |
| Case materialUse-dependent | metal center case | CNC case |
Product sources used by this comparison