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de Havilland Comet 2X

Image Description

G-ALYT was the sixth Comet to be built and was used to test the Rolls Royce Avon RA9 Mk502 engines and was dubbed the 2X. It was withdrawn from use by De Havillands in 1954.

de Havilland Comet 2X

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De Havilland

Aircraft Data

The de Havilland DH.106 Comet was the world's first commercial jet airliner. Early Comet models suffered from metal fatigue, causing a string of accidents. The redesigned Comet 4 series enjoyed a long and productive career of over 30 years.

only 9 Mk 1s built, 5 of which crashed. The Mk 1A had a reinforced structure and a MTOW of 115Klb. The Mk 3 included a stretched fuselage and oval windows. The Mk 4 was a heavily modified Mk 3 incorporating a different alloy for the fuselage

Summary data for de Havilland Comet -
Country of originFirst flightNo. builtNo. in serviceCrewPassengers
United Kingdom1949114n/a456 - 109


4 x Rolls Royce Avon (6500 - 11700 lbf) or de Havilland Ghost engines.

The prototype and Comet 1 used the DH Ghost engine all later versions used various RR Avon engines


Dimensions for de Havilland Comet -
Length (Comet 4)
Wing Span115 ft. 0 in. (Comet 4)
Height30 ft. 0 in. (Comet 4)
Empty Weight75,400 lbs. (Comet 4)
Max Weight162,000 lbs. (Comet 4)


Performance of de Havilland Comet -
Max Speed500 mph (Comet 4)
Cruise Speed450 mph (Comet 4)
Ceiling40,000 ft. (Comet 4)
Normal Range3,000mi. (Comet 4)
Max Range3,225mi. (Comet 4)

Updated 22nd February 2009

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