| gptkbp:instanceOf | gptkb:experimental_fighter_aircraft 
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                                | gptkbp:armament | 4 × 0.50 in (12.7 mm) M2 Browning machine guns 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
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                                | gptkbp:designedFor | gptkb:B-36_bomber 
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                                | gptkbp:developedBy | gptkb:Cold_War 
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                                | gptkbp:emptyWeight | 1,588 kg 
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                                | gptkbp:engineType | gptkb:Westinghouse_J34-WE-7_turbojet 
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                                | gptkbp:firstFlight | August 23, 1948 
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                                | gptkbp:height | 2.54 m 
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                                | gptkbp:intendedUse | defend bombers from enemy fighters 
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                                | gptkbp:length | 4.5 m 
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                                | gptkbp:location | gptkb:National_Museum_of_the_United_States_Air_Force National Museum of the United States Air Force, Dayton, Ohio
 
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                                | gptkbp:manufacturer | gptkb:McDonnell_Aircraft 
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                                | gptkbp:maximumSpeed | 1,042 km/h 
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                                | gptkbp:maxTakeoffWeight | 2,086 kg 
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                                | gptkbp:nickname | gptkb:Elf 
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                                | gptkbp:notableFeature | designed to be carried in a bomber's bomb bay 
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                                | gptkbp:numberBuilt | 2 
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                                | gptkbp:pilot | gptkb:Edwin_Foresman_Schoch 
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                                | gptkbp:projectCancelled | 1949 
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                                | gptkbp:projectOutcome | unsuccessful 
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                                | gptkbp:range | 805 km 
 | 
                        
                            
                                | gptkbp:role | parasite fighter 
 | 
                        
                            
                                | gptkbp:status | gptkb:prototype 
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                                | gptkbp:testFlights | 7 
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                                | gptkbp:testLocation | gptkb:Muroc_Army_Air_Field 
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                                | gptkbp:wingspan | 6.44 m 
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                                | gptkbp:bfsParent | gptkb:Westinghouse_J34_jet_engine 
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                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | McDonnell XF-85 Goblin 
 |