Williams FJ33


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 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
Iran apparently reverse engineered a variant, and is using it as high endurance UAV powerplant.

Applications