The Williams FJ33 is an American family of turbofan jet engines intended for use in very light jet aircraft. The FJ33 is a scaled-down version of the FJ44 engine. The FJ33-5A is the latest version certified in June 2016.
Design
Engine configuration is a single stage fan, with booster stage, driven by a two-stage LP turbine, supercharging a centrifugal HP compressor, driven by a single stage HP turbine. An annular combustor is featured.
The FJ33 has a dry weight of less than , overall diameter of , overall length, and produces between and static thrust. Specific fuel consumption at thrust (SLS, ISA) is understood to be .
Variants
FJ33-1
FJ33-2
FJ33-3
FJ33-4-A11
FJ33-4
FJ33-4-17M
FJ33-4-18M
FJ33-4A-19
FJ33-5A
Jahesh-700
Iranian Reverse engineered variant serving as high endurance UAV powerplant.
Applications
Adam A700
ATG Javelin
Cirrus Vision SF50
Diamond D-Jet
Epic Elite
Flaris LAR01
Spectrum S-33 Independence
Sport Jet II
Eclipse 700
Specifications (FJ33-5A)