Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:aircraft
|
| gptkbp:basedOn |
gptkb:Douglas_WB-66D
|
| gptkbp:crew |
3
|
| gptkbp:engineType |
Allison J71 turbojet
|
| gptkbp:firstFlight |
1963
|
| gptkbp:height |
23 ft 7 in (7.19 m)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Northrop X-21
|
| gptkbp:length |
75 ft 2 in (22.91 m)
|
| gptkbp:manufacturer |
gptkb:Northrop_Corporation
|
| gptkbp:maxTakeoffWeight |
92,000 lb (41,730 kg)
|
| gptkbp:notableFeature |
porous wing surfaces for boundary layer suction
|
| gptkbp:numberBuilt |
2
|
| gptkbp:powerplant |
2 × Allison J71-A-13 turbojets
|
| gptkbp:primaryUser |
gptkb:United_States_Air_Force
|
| gptkbp:purpose |
study of laminar flow control
|
| gptkbp:registration |
55-0408
55-0409 |
| gptkbp:retired |
1964
|
| gptkbp:role |
laminar flow research
|
| gptkbp:status |
retired
|
| gptkbp:wingspan |
117 ft 5 in (35.81 m)
|
| gptkbp:bfsParent |
gptkb:Northrop
gptkb:US_military_X-plane_program |
| gptkbp:bfsLayer |
7
|