The PBS TJ80-120 is a small subsonic turbojet engine produced by a Czech turbine engine manufacturer PBS Velká Bíteš.
| TJ80-120 | |
|---|---|
| |
| Type | Turbojet |
| National origin | Czech Republic |
| Manufacturer | PBS Velká Bíteš |
| First run | 2021 |
Development
editThe engine has been developed for unmanned aerial vehicles, including target drones, remote carriers, unmanned combat systems and disposable applications with weight ranging from 330-551 lb (150-250 kg).[1][2] The PBS TJ80-120 has the best thrust-to-weight ratio among gas turbine engines with thrust more than 1,150 N.[3] With a thrust 269 lbf (1,200 N) and weight 28.21 lb (12.8 kg) including the accessories, the thrust-to-weight ratio is currently 9.53.
Design
editThe PBS TJ80-120 is a small single-shaft turbojet engine with a built-in brushless starter generator including the ECU. The engine is capable of ground and in-flight restart under 7 seconds and a windmill starting. The engine offers a possibility of salt water recovery.[1]
Specifications
editData from Manufacturer[1]
General characteristics
- Type: turbojet
- Length: 636 mm (25.0 in)
- Diameter: 235 mm (9.3 in)
- Dry weight: 12.8 kg (28.2 lb)
Components
- Compressor: axial
- Oil system: fuel mixed with oil
Performance
- Maximum thrust: 1,200 N (270 lbf)
- Specific fuel consumption: 34.72 g/(kN⋅s) (1.226 lb/(lbf⋅h))
- Thrust-to-weight ratio: 9.6:1
References
edit- ^ a b c "Aircarft Engines | Turboprop/Turboshaft & Turbojet". PBS. Archived from the original on 11 August 2022. Retrieved 11 August 2022.
- ^ "Farnborough 2022: PBS confirms four customers for its new turbojet engine". www.shephardmedia.com. Archived from the original on 23 November 2022. Retrieved 11 August 2022.
- ^ Konowe, Celia. "PBS Unveils Turbine Engine for Unmanned Aerial Vehicles". Aviation International News. Archived from the original on 11 August 2022. Retrieved 11 August 2022.