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REPUBLIQUE TCHEQUE

TJ-40

PBS, První brněnská strojírna Velká Bíteš, a.s

TJ40 (G1 and G2 verions) was designed to propel UAV systems, such as target drones, decoy drones, or small reconnaissance drones. It can also equip gliders or ultralight

Its advantage is its low weight of 3.8 kg and thrust of 395 N. The PBS TJ40 jet engine is a single-shaft turbine jet engine with a one-stage radial compressor, radial and axial diffuser, annular combustion chamber, one-stage axial turbine and outlet nozzle. The generator output is 200 W, and with an external converter it is an additional 900 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.

TJ-40 Technical data

ManufacturerPBS, První brněnská strojírna Velká Bíteš, a.s
Initial testing 
Certification 
TypeSingle-shaft turbojet
Nb. built 

Dimensions

Diameter147 mm5.79 in.
Length overall304 mm11.97 in.

Weight

Dry3.3 kg7.27 lbs
Accessories200 g0.44 lbs

Performances

Max RPM98 000 t/mn98,000 rpm
Idle RPM t/mn rpm
Thrust at max RPM395 N88.8 lb
Thrust max continuous  
Thrust at idle RPM  
Pressure ratio / 1 
Max Flow/slbs/sec
Max continue EGTdeg.Cdeg.F

Consumption (Jet A1)

Consumption at Max1 260 ml/min47.61 fl oz/min
Consumption at Idle230  ml/min7.77 fl oz/min
Specific fuel consumption 0,147 kg/N/min1.44 lb/lbf/hr