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PBS TJ80-120

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TJ80-120
Type Turbojet
National origin Czech Republic
Manufacturer PBS Velká Bíteš
First run 2021

The PBS TJ80-120 is a small subsonic turbojet engine produced by a Czech turbine engine manufacturer PBS Velká Bíteš.

Development

The 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

The 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

Data 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

References

  1. ^ a b c "Aircarft Engines | Turboprop/Turboshaft & Turbojet | PBS". PBS. Archived from the original on 11 August 2022. Retrieved 11 August 2022.
  2. ^ "Farnborough 2022: PBS confirms four customers for its new turbojet engine | Shephard". www.shephardmedia.com. Archived from the original on 23 November 2022. Retrieved 11 August 2022.
  3. ^ 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.