Comparison of de Havilland DH-106 Comet 4 and Northrop Grumman B-2 Spirit

Attribute	Northrop Grumman B-2 Spirit ×	de Havilland DH-106 Comet 4 ×
General
Manufacturer	Northrop Grumman	de Havilland
Model	Northrop Grumman B-2 Spirit	de Havilland DH-106 Comet 4
Country	United States	United Kingdom
Manufactured from (year)	1997	1952
Manufactured to (year)	2000	1964
Type	Military Aircraft	Mid Size Passenger Jets
Icao	B2	-
Performance
Engine	4x 4 × General Electric F118-GE-100	4x 4 × Rolls-Royce Avon Mk 524 turbojets
Power, lbf (lbf)	17,300	10,500
Avionics	Honeywell and GEC Avionics	-
Max cruise speed (km/h)	1,019	900
Travel range (km)	11,112	5,189
Fuel economy (km/l)	0.117	0.152
Service ceiling (m)	15,240	12,802
Rate of climb (m/sec)	15.24	-
Take off distance (m)	2,039	2,290
Landing distance (m)	1,052	-
Weights
Max take off weight (kg)	152,635	73,483
Max payload (kg)	20,000	10,930
Fuel tank capacity (l)	94,351	39,520
Dimensions
Seats	2	81
Seats - business class	-	81
Seats - first class	-	56
Exterior length (m)	21	34
Tail height (m)	5.18	8.99
Wing span (m)	52.4	35
Wing tips	No Winglets	No Winglets