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gptkbp:instanceOf
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gptkb:aircraft
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|
gptkbp:crew
|
1
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gptkbp:emptyWeight
|
4,600 lb (2,087 kg)
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|
gptkbp:firstFlight
|
1948
December 15, 1948
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|
gptkbp:height
|
8 ft 2 in (2.49 m)
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|
https://www.w3.org/2000/01/rdf-schema#label
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Northrop X-4
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gptkbp:length
|
23 ft 2 in (7.06 m)
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gptkbp:manufacturer
|
gptkb:Northrop_Corporation
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gptkbp:maximumSpeed
|
620 mph (998 km/h)
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|
gptkbp:maxTakeoffWeight
|
7,100 lb (3,221 kg)
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|
gptkbp:numberBuilt
|
2
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gptkbp:powerplant
|
2 × Westinghouse J30-W-7 turbojets
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|
gptkbp:primaryUser
|
gptkb:United_States_Air_Force
gptkb:NACA
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|
gptkbp:purpose
|
study semi-tailless aircraft at transonic speeds
|
|
gptkbp:range
|
200 mi (322 km)
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|
gptkbp:retired
|
1953
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gptkbp:role
|
gptkb:aircraft
|
|
gptkbp:serviceCeiling
|
38,000 ft (11,582 m)
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|
gptkbp:status
|
retired
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gptkbp:survivorLocation
|
gptkb:National_Air_and_Space_Museum
gptkb:National_Museum_of_the_United_States_Air_Force
|
|
gptkbp:testLocation
|
gptkb:Edwards_Air_Force_Base
|
|
gptkbp:thrust
|
1,600 lbf (7.1 kN) each
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|
gptkbp:wingspan
|
26 ft 10 in (8.18 m)
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gptkbp:bfsParent
|
gptkb:USAF_X-plane_program
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gptkbp:bfsLayer
|
8
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