The Williams FJ33 is a family of turbofan

Turbofan

The turbofan is a type of airbreathing jet engine that is widely used for aircraft propulsion. A turbofan combines two types of engines, the turbo portion which is a conventional gas turbine engine, and the fan, a propeller-like ducted fan...

 jet engine

Jet engine

A jet engine is a reaction engine that discharges a fast moving jet to generate thrust by jet propulsion and in accordance with Newton's laws of motion. This broad definition of jet engines includes turbojets, turbofans, rockets, ramjets, pulse jets...

s intended for use in very light jet

Very Light Jet

A very light jet, entry-level jet or personal jet, previously known as a microjet, is a category of small jet aircraft approved for single-pilot operation, seating 4-8 people, with a maximum take-off weight of under...

 aircraft. The FJ33 is a scaled-down version of the FJ44

Williams FJ44

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 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 (136.1 kg), overall diameter of 21.05in, 47.9in overall length, and produces between 1000 and 1800 lbf (8,006.8 N) static thrust. Specific fuel consumption at 1200 lbf (5,337.9 N) thrust (SLS, ISA) is understood to be 0.486 lb/h/lbf.

FJ33 applications

The FJ33 has been selected to power a number of different aircraft:

• Adam A700
• ATG Javelin
  ATG Javelin
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• Cirrus Vision SF50
• Diamond D-Jet
  Diamond D-Jet
  The Diamond D-JET is a composite, five-seat, single-engine jet aircraft produced by Diamond Aircraft Industries. The aircraft is undergoing flight testing...
  
  
• Epic Elite
• Spectrum S-33 Independence

See also

External links

• Williams Product Information FJ33
• List of jets designed to use FJ33