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PBS TJ80-120

From Wikipedia, the free encyclopedia

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

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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

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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

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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

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  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.