The GL60 Ⅱ KV28 draws less current at its rating (1.56 A against 2.8 A), and is lighter (276 g against 315 g) and narrower (70.5 mm against 87 mm). The GL80 KV30 has more continuous torque (1 N·m against 0.6 N·m) and more peak torque (2.9 N·m against 1 N·m), is shallower (22.3 mm against 33.6 mm), and turns faster at the output (450 RPM against 153 RPM).
The GL60 Ⅱ KV28 is US$187 and the GL80 KV30 is US$204. That is US$311.67 per rated N·m for the GL60 Ⅱ KV28 and US$204.00 per rated N·m for the GL80 KV30.
| GL60 Ⅱ KV28 | GL80 KV30 | |
|---|---|---|
| Rated Torque (N·m) | 0.6 | 1 |
| OD (mm) | 70.5 | 87 |
| Weight (g) | 276 | 315 |
| Peak Torque (N·m) | 1 | 2.9 |
| Rated Speed (RPM) | 153 | 450 |
| Rated Current (A) | 1.56 | 2.8 |
| Peak Current (A) | 2.75 | 8.2 |
| Height (mm) | 33.6 | 22.3 |
| Rotor Inertia (g·cm²) | 401.086 | — |
| Application | Gimbal, Radar Bearings Imported 6705 ZZ | Gimbal, Radar |
| Rated Voltage (V) | — | 24 |
| No-Load Speed (RPM) | — | 650 |
| Maximum Torque Weight Ratio (N·m/kg) | — | 9.21 |
| Kv (RPM/V) | — | 30 |
| Kt (N·m/A) | — | 0.356 |
| Ke (V/kRPM) | — | 35.27 |
| Phase to Phase Resistance (mΩ) | — | 1800 |
| Phase to Phase Inductance (μH) | — | 1100 |
| Inertia (g·cm²) | — | 650 |
| Mechanical Time Constant (ms) | — | 0.92 |
| Electrical Time Constant (ms) | — | 0.61 |
| Pole Pairs | — | 21 |
| Winding Type | — | Star |
| Operation Ambient Temperature | — | -20℃~50℃ |
| Driving Way | — | FOC |
Rows the two disagree on are marked; the figures are CubeMars'. To put any other two parts side by side, build your own comparison.