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Jiri Kloucek
Jiri Kloucek
Jiri Kloucek
Department of Aircraft Engines
Jet Engine PBS TJ40-G1

Jet Engine PBS TJ40-G1

The small PBS TJ40-G1 jet engine was developed for unmanned systems. 
  • Compact design - all accessories incorporated in the engine (except for the fuel pump)
  • Excellent thrust-to-weight ratio, low power consumption in the given power category
  • Any engine position during start
  • Shortened start sequence under 25 seconds
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Its advantage is its low weight of 3.3 kg and thrust of 395 N. The PBS TJ40-G1 jet engine is a single-shaft engine with a one-stage radial compressor, radial and axial diffuser, annular combustion chamber, one-stage axial turbine and outlet nozzle. The output of the generator is 150 W.

Standard accessories - included: fuel pump and filter, engine control unit (ECU), connecting cables, fuel hose, data terminal, battery (4s Li-Fe - 2,5 Ah), CAN connector  

Engine parameters

Technical parameters SI units Imperial units
Max. thrust  395 N 88.8 lbf
Outer diameter 147 mm  5.79 in
Length 304 mm  11.97 in
Weight 3.3 kg 7.27 lb

Why us?

Restarting on the ground and in flight
Restarting on the ground and in flight
The option of restarting on the ground and in flight and the shorter startup sequence of less than 23 seconds are the indisputable advantages of this small jet engine.
Any engine position during startup
Any engine position during startup
The generator output of 150 W and the engine's ability to start in any position characterize this small jet engine developed especially for unmanned applications.

Service, spare parts and overhauls of aerospace technology

We provide service of the highest quality for all users of our aerospace technology products.

We have long been working to extend the service life of our products, e.g. by introducing new technologies to produce the most exposed parts. Our turbine-based aicraft equipment regularly receives very good references.