The 280 Gasoline Engine is a mid-range RC aircraft engine delivering 21.5 HP at 7,500 RPM with 351 cc displacement, supporting 97 kg maximum takeoff weight.
Key Capabilities
- 21.5 HP performance at 7,500 RPM
- 351 cc displacement with 66 × 41 mm bore × stroke
- 97 kg maximum takeoff weight support
- 10.5:1 compression ratio
- 1,800 RPM idle speed
- Compatible with BM6A spark plug
- Applicable propeller: 30×16, 32×16, 40×18, 45×20
Technical Specifications
| Performance | 21.5 HP / 7,500 RPM |
|---|---|
| Idle | 1,800 RPM |
| Maximum takeoff weight | 97 kg |
| Displacement | 351 cm³ |
| Cylinder diameter × stroke | 66 mm × 41 mm |
| Compression ratio | 10.5:1 |
| Lubrication ratio | 30:1 |
| Host weight | 9.45 kg |
| Applicable propeller | 30×16, 32×16, 40×18, 45×20 |
| Applicable spark plug | BM6A |
Applications
Medium-to-large UAV propulsion, agricultural drone platforms, surveillance aircraft, and cargo-carrying drone systems.
Deployment note: Final configuration, operator training, airspace approval, and local regulatory compliance are required before deployment.






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