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| Specification | Details |
|---|---|
| Product Name | T-MOTOR HEP-L 21×7 High-Performance Ultra-Light Carbon Fiber Propeller |
| Model | HEP-L 21×7 |
| Propeller Diameter | 21 inch / 537.4 mm |
| Pitch | 7 inch / 177.8 mm |
| Type | One-Piece Straight Propeller |
| Material | Resin-Based Carbon Fiber Composite + PMI Foam Core |
| Single Propeller Weight | Approx. 32 g |
| Surface Finish | Matte |
| Common Thrust Range | 1.1–2.4 kg |
| Common Speed Range | 2680–3800 RPM |
| Recommended Maximum RPM | 6800 RPM |
| Limit RPM | 7650 RPM |
| Recommended Maximum Thrust | 10 kg |
| Limit Thrust | 13 kg |
| Mounting | Flange mount |
| Center Hole | Ø6 mm |
| Bolt Circle | Ø12 mm |
| Mounting Holes | 2 × Ø3 mm |
| Application | Long-Endurance Multi-Rotor UAV |
| Recommended Motor – 12S | T-MOTOR MN6007 II KV160 |
| Recommended Motor – 6S | T-MOTOR MN6007 II KV320 |
| Recommended Quadcopter Takeoff Weight | 7 kg |
The HEP-L 21*7 is a lightweight carbon fiber propeller designed for professional heavy-lift UAVs. Weighing just 34 g, it delivers up to 8 kg of recommended maximum thrust, operates efficiently within a 3700–4900 RPM range, and is optimized for the T-Motor MN505-S KV380 motor with 6S LiPo batteries, making it well suited for commercial, industrial, and long-endurance drone applications.



Key Features:
- High-strength carbon fiber composite construction
- Foldable design for easy transport and storage
- Optimized aerodynamic profile for improved efficiency
- Low vibration and smooth operation
- High thrust capability for industrial UAVs
- Lightweight design (34 g per blade)
- Designed for heavy-lift multirotor platforms
- Excellent durability and fatigue resistance
- Optimized for long-endurance commercial UAV operations
- Precision balanced for stable flight performance
Packing List Includes:
- 1 x HEP-L 21*7 propeller
- 1 x Accessories pack
