Williams FJ33

FJ33
Type Turbofan
National origin United States
Manufacturer Williams International
First run 1998 [1]
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. The FJ33-5A is the latest version certified in June 2016.[2]

Design

Engine configuration is believed to be 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 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

See also

Related development

Related lists

References

  1. ↑ "P&WC unveils light jet study". Flight International. 28 October 1998.
  2. ↑ "Williams International FJ33-5A Turbofan FAA-Certified". Retrieved 10 June 2016.
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