Overview
MAD M13 EEE is a heavy-lift drone motor designed for high-efficiency operation on 12S systems. It is positioned for 7–9 kg single-rotor payload (recommended hover thrust) with 36-inch propellers, while supporting a maximum thrust rating of 20.5 kg/20.5 kgf (as stated).
| Sustained thrust | 7~9 kg |
| Recommended hover thrust | 7.0~9.0 kgf |
| Max thrust | 20.5 kg / 20.5 kgf |
| Support voltage | 12S |
| Optimized weight / motor weight | 615 g |
| KV | 90KV |
| Efficiency (stated) | >79% |
Key Features
- Heavy-lift positioning for large multirotor platforms and industrial UAV builds
- Peak thrust up to 20.5 kgf (per axis, stated)
- 12S system support (nominal voltage: 12S LiPo battery)
- Rain protection (degree of protection, stated)
- Independent centrifugal heat dissipation (stated)
Specifications
Motor Data
| Motor model | MAD M13 EEE V1.0 | Number of pole pairs | 21 |
| Stator | Anticorrosive | Varnished wire degree | 220°C |
| Motor size | D:116 × 35 mm | Motor balance | 180°C |
| Degree of protection | Rain protection | Cable length | 150 mm (extended enameled wires) |
| Centrifugal heat dissipation | Independent | Rotor balance | ≤10 mg |
| Propeller mounting holes | D:20 M3×4, D:23 M4×4 | Motor balance | ≤20 mg |
| Shaft diameter | IN: 15 mm | Motor mounting holes | D:50 M5×4 |
| Bearing | 6802ZZ*2 | Disruptive test | 500 V |
Performance (90KV test sheet)
| RPM/V | 90 KV | Nominal voltage | 12S lipo battery |
| No load current | 2.0A/20V | Internal resistance | 35mΩ |
| Motor weight | 615 g | Product boxed weight | 965g (200 x 150 x 70 mm) |
| Maximum current | 88 A | Maximum power | 4189W |
| Maximum thrust | 20.5 kg | Maximum torque | 8.8 Nm |
| Recommended ESC | MAD AMPX 120A (5-14S) | Recommended propellers | 36x11.5 |
| UAV take-off weight | 12S-36"/ 28kg-Quadcopter; 42kg-Hexacopter; 56kg-Octocopter | Single rotor take-off weight | 7kg ~9kg |
Test configuration shown: MAD M13 EEE 90KV + FLUXER PRO 36x11.5 GLOSSY + AMPX 120A (5-14S). Input voltage stated as 48 V, temperature 25°C, sea level. Sheet also lists: 12S, MAX 108°C.
Throttle Table (48 V input, stated)
| Throttle (%) | Voltage (V) | Current (A) | Input Power (W) | Output Power (W) | Torque (N×m) | RPM | Thrust (gf) | Efficiency (%) | Efficiency (gf/W) |
|---|---|---|---|---|---|---|---|---|---|
| 30 | 47.88 | 3.72 | 178.3 | 124.9 | 0.982 | 1214 | 2381 | 70.15 | 13.4 |
| 35 | 47.87 | 5.88 | 281.6 | 211.2 | 1.405 | 1435 | 3374 | 75.06 | 12.0 |
| 40 | 47.84 | 8.15 | 389.9 | 297.3 | 1.771 | 1603 | 4246 | 76.27 | 10.9 |
| 45 | 47.85 | 10.81 | 517.1 | 402.6 | 2.173 | 1769 | 5204 | 77.9 | 10.1 |
| 50 | 47.85 | 13.81 | 660.6 | 527.4 | 2.602 | 1936 | 6181 | 79.85 | 9.4 |
| 55 | 47.81 | 18.41 | 880.0 | 701.6 | 3.165 | 2117 | 7478 | 79.72 | 8.5 |
| 60 | 47.82 | 23.09 | 1104.1 | 894.8 | 3.721 | 2297 | 8792 | 81.03 | 8.0 |
| 65 | 47.81 | 28.95 | 1384.0 | 1105.0 | 4.290 | 2460 | 10102 | 79.84 | 7.3 |
| 70 | 47.77 | 34.42 | 1644.1 | 1324.6 | 4.838 | 2614 | 11465 | 80.59 | 7.0 |
| 75 | 47.73 | 40.36 | 1926.2 | 1566.8 | 5.435 | 2753 | 12801 | 81.35 | 6.6 |
| 80 | 47.7 | 48.43 | 2310.5 | 1831.6 | 6.064 | 2884 | 14075 | 79.28 | 6.1 |
| 85 | 47.67 | 55.02 | 2623.0 | 2096.7 | 6.629 | 3020 | 15496 | 79.93 | 5.9 |
| 90 | 47.63 | 63.89 | 3043.2 | 2404.1 | 7.294 | 3148 | 16933 | 78.99 | 5.6 |
| 95 | 47.59 | 73.39 | 3492.3 | 2706.0 | 7.896 | 3272 | 18493 | 77.48 | 5.3 |
| 100 | 47.54 | 88.1 | 4188.5 | 3171.3 | 8.846 | 3424 | 20522 | 75.7 | 4.9 |
Sheet note (stated): Values are theoretical at 48 V for reference only. At 25°C with no additional cooling, current >88 A is a non-working zone; 29–88 A is short-term (about 10–30 s); below 29 A is the sustainable working zone. Control running time according to ambient temperature and heat dissipation conditions.
Drawing & Mount Holes (selected dimensions shown)
| Outer diameter | Ø116 |
| Side-view dimensions | 2.5; 32.5; Ø29 (as labeled) |
| Motor mounting holes | Ø50-M5×4 |
| Propeller mounting holes | Ø23-M4×4; Ø20-M3×4 |
| Additional labeled dimensions | Ø11.6; Ø10; 14.5; Ø20-Ø3.2×4; 3; Ø32 (as labeled) |
Applications
- Large multirotor drones with heavy payload requirements
- Industrial UAV platforms
- Builds focused on maximizing power output without increasing motor weight
For compatibility questions (ESC, propeller, mounting), contact support@rcdrone.top or visit https://rcdrone.top/.
Details

The MAD M13 EEE 90KV motor drawing details the Ø50 face and M5, M4, and M3 mounting hole patterns for fit and hardware planning.

The MAD M13 EEE 90KV drone motor is rated for up to 12S setups, with a listed thrust range of 7.0–9.0 kgf and efficiency above 79%.

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