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Eclipse Concept Jet (ECJ)

ECLIPSE AVIATION

The prototype of the four-seater Eclipse 400 was unveiled on 23 July 2007 at AirVenture as the Eclipse Concept Jet (ECJ).

The ECJ was equipped with a Pratt & Whitney PW615F turbojet engine, derated at 1,100 lbs, mounted above the fuselage and a V-tail. To reduce development and manufacturing the prototype aircraft has 60% parts commonality with its larger Eclipse 500 sibling.

It was built in complete secrecy by Swift Engineering. Swift Engineering was commissioned to design and build a single engine business jet in 200 days to first flight. This included conceptual design, sizing, vehicle architecting, analysis (CFD, FEA), detailed design, and wind-tunnel testing . All of the design, including interiors was completed at Swift’s state of the art design studio in San Clemente, California. All the composite tooling and parts were also fabricated and assembled in San Clemente at Swift’s Advanced Composite Manufacturing Center.

Eclipse Aviation finally decided in 2008 to produce the aircraft under the name Eclipse 400

Deliveries were planed to start in 2011. The project was canceled when Eclipse Aviation went bankrupt on November 25, 2008.  

The unique copy of the Eclipse Concept Jet is now owned by Eclipse Aerospace, which produces the Eclipse 550, an improved version of the Eclipse 500. The company is not currently planning to produce the Eclipse 400.

ECJ Characteristics

Manufacturer Swiss Engineering
TypePersnal Jet
First flightJuly 2007
Nb. built1
Crew4

Power plant

EnginePratt & Whitney CanadaPW615F
Count1 
TypeTurbofan 
Max ratingskg1,100 lbs

Dimensions

Span10,97 m36 ft
Length8,84 m29 ft
Height2,67 m8 ft 9 in
Areasft²
Aspect ratio  

Weights 

Empty1 125 kg2,480 lbs
Useful Load (average)kglbs
Payload kglb
Fuel capacity704 l186 US Gal
Max takeoff weight2 032 kg4,480lb
Max landing weightkglb

Performances 

Vne - Max. speedkm/hKts
Vno - Max. speed in operation 639 km/h345 Kts
Vs - Stall speedkm/hmph
V2 - Takeoff speedkm/hmph
Vs0 - Landing Speed113 km/h61 Kts
Max. rate of climbm/sft/min
Service ceiling12495 m41,000 ft
Max Range2315 km1,250 nm
Best gliding ratio  
Landing distance549 m1,800 ft
Take off distance671 m2,200 ft
G limitsGSGS