The GL80 KV60 turns faster at the output (1010 RPM against 450 RPM). The GL80 KV30 has a higher torque constant (0.356 N·m/A against 0.178 N·m/A), and draws less current at its rating (2.8 A against 5.6 A). They match on continuous torque, peak torque, weight, diameter and depth.
The GL80 KV60 is US$204 and the GL80 KV30 is US$204. That is US$204.00 per rated N·m for the GL80 KV60 and US$204.00 per rated N·m for the GL80 KV30.
| GL80 KV60 | GL80 KV30 | |
|---|---|---|
| Rated Torque (N·m) | 1 | 1 |
| OD (mm) | 87 | 87 |
| Weight (g) | 315 | 315 |
| Peak Torque (N·m) | 2.9 | 2.9 |
| Rated Voltage (V) | 24 | 24 |
| Rated Speed (RPM) | 1010 | 450 |
| No-Load Speed (RPM) | 1300 | 650 |
| Rated Current (A) | 5.6 | 2.8 |
| Peak Current (A) | 16.3 | 8.2 |
| Maximum Torque Weight Ratio (N·m/kg) | 9.21 | 9.21 |
| Height (mm) | 22.3 | 22.3 |
| Kv (RPM/V) | 60 | 30 |
| Kt (N·m/A) | 0.178 | 0.356 |
| Ke (V/kRPM) | 17.47 | 35.27 |
| Phase to Phase Resistance (mΩ) | 450 | 1800 |
| Phase to Phase Inductance (μH) | 270 | 1100 |
| Inertia (g·cm²) | 650 | 650 |
| Mechanical Time Constant (ms) | 0.92 | 0.92 |
| Electrical Time Constant (ms) | 0.60 | 0.61 |
| Pole Pairs | 21 | 21 |
| Winding Type | Star | Star |
| Operation Ambient Temperature | -20℃~50℃ | -20℃~50℃ |
| Driving Way | FOC | FOC |
| Application | Gimbal, Radar | Gimbal, Radar |
Rows the two disagree on are marked; the figures are CubeMars'. To put any other two parts side by side, build your own comparison.