Williams FJ33

FJ33
Type	Turbofan
National origin	United States
Manufacturer	Williams International
First run	1980s
Major applications	Diamond D-Jet ; Cirrus Vision SF50
Developed from	Williams FJ44

The Williams FJ33 is a family of turbofan jet engines intended for use in very light jet aircraft. The FJ33 is a scaled-down version of the FJ44 engine.

Design

Engine configuration is believed to be a single stage fan, with booster stage/s, driven by a 2 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 300 lb (140 kg), overall diameter of 21.05 in (535 mm), 47.9 in (1,220 mm) overall length, and produces between 1,000 lbf (4,400 N) and 1,800 lbf (8,000 N) static thrust. Specific fuel consumption at 1,200 lbf (5,300 N) thrust (SLS, ISA) is understood to be 0.486 lb/(lbf⋅h) (13.8 g/(kN⋅s)).

Variants

FJ33-1
FJ33-2
FJ33-3
FJ33-4-A11
FJ33-4
FJ33-4-17M
FJ33-4-18M
FJ33-4A-19
FJ33-5A

Applications

Specifications

General characteristics

Type: Turbofan
Length: 47.9 in (1,220 mm)
Diameter: 21.05 in (535 mm),
Dry weight: less than 300 lb (140 kg)

Components

Compressor:

Performance

Maximum thrust: max takeoff thrust 1500 lbs

External links

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