Republic XF-12 Rainbow (original) (raw)
Le Republic XF-12 Rainbow est un avion de reconnaissance quadrimoteur, entièrement métallique, conçu à la fin des années 1940 par la Republic Aviation Company.
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| dbo:abstract | Die Republic XF-12 Rainbow (englisch „Regenbogen“) war ein viermotoriges Ganzmetall-Aufklärungsflugzeug der Vereinigten Staaten, konstruiert von Republic Aviation in den späten 1940er-Jahren. Der Buchstabe „F“ in der Bezeichnung steht für die von 1930 bis 1947 gebräuchliche Missionsbezeichnung Fotografische Aufklärung und darf nicht mit der heute bei der USAF gebräuchlichen Bezeichnung für Fighter verwechselt werden. Im Jahr 1948 wurde die Bezeichnung der Maschine in Republic XR-12A geändert (reconnaissance). Wie die meisten großen Flugzeuge der Alliierten dieser Ära hatte es Sternmotoren – in diesem Fall den Pratt & Whitney R-4360 „Wasp Major“. Das Flugzeug hatte hervorragende aerodynamische Eigenschaften und konnte „auf allen Vieren fliegen“ („flying on all fours“), denn es war schneller als 400 Meilen pro Stunde (643 km/h), hatte eine größere Reichweite als 4000 Seemeilen (7408 km) und eine Dienstgipfelhöhe von 40.000 Fuß (12.190 m). Obwohl die Rainbow sehr innovativ war, konnte sie gegen die modernere Düsentechnologie nicht bestehen und eine Serienfertigung wurde nie begonnen. (de) El Republic XF-12 Rainbow fue un prototipo estadounidense de avión de reconocimiento totalmente metálico de cuatro motores, diseñado por la Republic Aviation Company a finales de los años 40 del siglo XX. Como la mayoría de los grandes aviones de la época, usaba motores radiales (en este caso, el Pratt & Whitney R-4360 Wasp Major). El avión fue diseñado con la máxima eficiencia aerodinámica en mente. Se refirió al XF-12 como un avión que "volaba todos los cuatros", es decir: cuatro motores, 400 mph (643,74 km/h) de crucero, 4000 millas náuticas (6 437,38 km) de alcance, a 40 000 pies (12 192 m). Todavía es el avión de motor de pistones más rápido de su tamaño, superando en casi 80,47 km/h al Boeing XB-39 de 1944. Aunque altamente innovador, el XF-12 Rainbow de posguerra tuvo que competir contra la más moderna tecnología del motor a reacción, y no entró en producción. (es) Le Republic XF-12 Rainbow est un avion de reconnaissance quadrimoteur, entièrement métallique, conçu à la fin des années 1940 par la Republic Aviation Company. (fr) The Republic XF-12 Rainbow was an American four-engine, all-metal prototype reconnaissance aircraft designed by the Republic Aviation Company in the late 1940s. Like most large aircraft of the era, it used radial engines, specifically the Pratt & Whitney R-4360 Wasp Major. The XF-12 was referred to as "flying on all fours" meaning: four engines, 400 mph (640 km/h) cruise, 4,000 mi (6,400 km) range, at 40,000 ft (12,000 m). The aircraft was designed to maximize aerodynamic efficiency. Although innovative, the jet engine and the end of World War 2 made it obsolete, and it did not enter production. A proposed airliner variant, the RC-2, was deemed uneconomical and cancelled before being built. (en) Il Republic XF-12 Rainbow fu un aereo da ricognizione strategica ad alta quota e a lungo raggio, quadrimotore e monoplano ad ala bassa, sviluppato dall'azienda aeronautica statunitense Republic Aviation Company alla metà degli anni quaranta e rimasto allo stato di prototipo. Il modello, progettato per ottenere la massima efficienza aerodinamica, era propulso da quattro motori radiali Pratt & Whitney R-4360 Wasp Major, imponenti propulsori a 28 cilindri raffreddati ad aria, come la maggior parte dei grandi aerei statunitensi dell'epoca, venne indicato come aereo che volava su tutti i quattro (flying on all fours), ovvero 4 motori, 400 mph di velocità di crociera, 4 000 mi di autonomia e 40 000 ft di quota operativa. Superando di circa 50 mph (80 km/h) il del 1944, detiene ancora il primato del più veloce aereo a pistoni di queste dimensioni. Benché estremamente innovativo, con l'introduzione dei motori a reazione e le sempre più esigenti prestazioni dell'aviazione militare strategica statunitense del dopoguerra, l'XF-12 Rainbow divenne velocemente obsoleto e non venne avviato alla produzione in serie. (it) |
| dbo:manufacturer | dbr:Republic_Aviation |
| dbo:numberBuilt | 2 (xsd:nonNegativeInteger) |
| dbo:thumbnail | wiki-commons:Special:FilePath/XF12.jpg?width=300 |
| dbo:type | dbr:Aerial_reconnaissance |
| dbo:wikiPageExternalLink | https://archive.org/details/Aviation_Week_1947-11-10/page/n13/mode/2up |
| dbo:wikiPageID | 1336114 (xsd:integer) |
| dbo:wikiPageLength | 15070 (xsd:nonNegativeInteger) |
| dbo:wikiPageRevisionID | 1117507659 (xsd:integer) |
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| dbp:airfoil | :*Root: Republic R-4,40-318-1 :*Tip: Republic R-4,40-413-.6 (en) |
| dbp:ceilingFt | 44000 (xsd:integer) |
| dbp:climbRateFtmin | 5000 (xsd:integer) |
| dbp:crew | 7 (xsd:integer) |
| dbp:cruiseSpeedMph | 400 (xsd:integer) |
| dbp:cruiseSpeedNote | at (en) |
| dbp:emptyWeightLb | 65000 (xsd:integer) |
| dbp:eng1Hp | 3250 (xsd:integer) |
| dbp:eng1Name | dbr:Pratt_&_Whitney_R-4360-31_Wasp_Major |
| dbp:eng1Number | 4 (xsd:integer) |
| dbp:eng1Type | 28 (xsd:integer) |
| dbp:firstFlight | 1946-02-04 (xsd:date) |
| dbp:grossWeightLb | 101400 (xsd:integer) |
| dbp:heightM | 8.630000 (xsd:double) |
| dbp:lengthM | 28.590000 (xsd:double) |
| dbp:lists | * List of military aircraft of the United States (en) |
| dbp:manufacturer | dbr:Republic_Aviation |
| dbp:maxSpeedMph | 470 (xsd:integer) |
| dbp:nationalOrigin | United States (en) |
| dbp:numberBuilt | 2 (xsd:integer) |
| dbp:primaryUser | dbr:United_States_Army_Air_Forces |
| dbp:primeUnits?_ | imp (en) |
| dbp:propBladeNumber | 4 (xsd:integer) |
| dbp:propDiaM | 4.900000 (xsd:double) |
| dbp:propDiaNote | reversible-pitch constant-speed propellers (en) |
| dbp:propName | Curtiss (en) |
| dbp:rangeMiles | 4500 (xsd:integer) |
| dbp:ref | Jane's all the World's Aircraft 1947 (en) |
| dbp:retired | June 1952 (en) |
| dbp:similarAircraft | * Boeing RB-29 Superfortress * Hughes XF-11 * Lockheed R7V-2/YC-121F Constellation * SNCASE SE-1010 (en) |
| dbp:spanM | 39.360000 (xsd:double) |
| dbp:stallSpeedMph | 104 (xsd:integer) |
| dbp:status | Cancelled (en) |
| dbp:type | Strategic aerial reconnaissance (en) |
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| dbp:wingAreaSqft | 1640 (xsd:integer) |
| dbp:wingLoadingLb/sqft | 61.800000 (xsd:double) |
| dcterms:subject | dbc:1940s_United_States_military_reconnaissance_aircraft dbc:Republic_aircraft dbc:Low-wing_aircraft dbc:Cancelled_military_aircraft_projects_of_the_United_States dbc:Four-engined_piston_aircraft dbc:Four-engined_tractor_aircraft dbc:Mid-wing_aircraft dbc:Aircraft_first_flown_in_1946 |
| gold:hypernym | dbr:Aircraft |
| rdf:type | owl:Thing schema:Product dbo:MeanOfTransportation wikidata:Q11436 yago:WikicatCancelledMilitaryAircraftProjectsOfTheUnitedStates yago:Abstraction100002137 yago:Act100030358 yago:Activity100407535 yago:Category105838765 yago:Cognition100023271 yago:Concept105835747 yago:Content105809192 yago:Event100029378 yago:Idea105833840 yago:Kind105839024 yago:PsychologicalFeature100023100 yago:Work100575741 yago:YagoPermanentlyLocatedEntity dbo:Aircraft yago:Type105840188 yago:Undertaking100795720 umbel-rc:Model_airplane umbel-rc:TransportationDevice_Vehicle |
| rdfs:comment | Le Republic XF-12 Rainbow est un avion de reconnaissance quadrimoteur, entièrement métallique, conçu à la fin des années 1940 par la Republic Aviation Company. (fr) The Republic XF-12 Rainbow was an American four-engine, all-metal prototype reconnaissance aircraft designed by the Republic Aviation Company in the late 1940s. Like most large aircraft of the era, it used radial engines, specifically the Pratt & Whitney R-4360 Wasp Major. The XF-12 was referred to as "flying on all fours" meaning: four engines, 400 mph (640 km/h) cruise, 4,000 mi (6,400 km) range, at 40,000 ft (12,000 m). The aircraft was designed to maximize aerodynamic efficiency. Although innovative, the jet engine and the end of World War 2 made it obsolete, and it did not enter production. A proposed airliner variant, the RC-2, was deemed uneconomical and cancelled before being built. (en) Die Republic XF-12 Rainbow (englisch „Regenbogen“) war ein viermotoriges Ganzmetall-Aufklärungsflugzeug der Vereinigten Staaten, konstruiert von Republic Aviation in den späten 1940er-Jahren. Der Buchstabe „F“ in der Bezeichnung steht für die von 1930 bis 1947 gebräuchliche Missionsbezeichnung Fotografische Aufklärung und darf nicht mit der heute bei der USAF gebräuchlichen Bezeichnung für Fighter verwechselt werden. Im Jahr 1948 wurde die Bezeichnung der Maschine in Republic XR-12A geändert (reconnaissance). (de) El Republic XF-12 Rainbow fue un prototipo estadounidense de avión de reconocimiento totalmente metálico de cuatro motores, diseñado por la Republic Aviation Company a finales de los años 40 del siglo XX. Como la mayoría de los grandes aviones de la época, usaba motores radiales (en este caso, el Pratt & Whitney R-4360 Wasp Major). El avión fue diseñado con la máxima eficiencia aerodinámica en mente. Se refirió al XF-12 como un avión que "volaba todos los cuatros", es decir: cuatro motores, 400 mph (643,74 km/h) de crucero, 4000 millas náuticas (6 437,38 km) de alcance, a 40 000 pies (12 192 m). Todavía es el avión de motor de pistones más rápido de su tamaño, superando en casi 80,47 km/h al Boeing XB-39 de 1944. Aunque altamente innovador, el XF-12 Rainbow de posguerra tuvo que competir (es) Il Republic XF-12 Rainbow fu un aereo da ricognizione strategica ad alta quota e a lungo raggio, quadrimotore e monoplano ad ala bassa, sviluppato dall'azienda aeronautica statunitense Republic Aviation Company alla metà degli anni quaranta e rimasto allo stato di prototipo. Benché estremamente innovativo, con l'introduzione dei motori a reazione e le sempre più esigenti prestazioni dell'aviazione militare strategica statunitense del dopoguerra, l'XF-12 Rainbow divenne velocemente obsoleto e non venne avviato alla produzione in serie. (it) |
| rdfs:label | Republic XF-12 (de) Republic XF-12 Rainbow (es) Republic XF-12 Rainbow (fr) Republic XF-12 Rainbow (it) Republic XF-12 Rainbow (en) |
| owl:sameAs | freebase:Republic XF-12 Rainbow yago-res:Republic XF-12 Rainbow wikidata:Republic XF-12 Rainbow dbpedia-de:Republic XF-12 Rainbow dbpedia-es:Republic XF-12 Rainbow dbpedia-fr:Republic XF-12 Rainbow dbpedia-it:Republic XF-12 Rainbow http://tg.dbpedia.org/resource/Republic_XF-12_Rainbow dbpedia-vi:Republic XF-12 Rainbow https://global.dbpedia.org/id/228F2 |
| prov:wasDerivedFrom | wikipedia-en:Republic_XF-12_Rainbow?oldid=1117507659&ns=0 |
| foaf:depiction | wiki-commons:Special:FilePath/Republic_XF-12_Rainbow.jpg wiki-commons:Special:FilePath/XF12.jpg |
| foaf:isPrimaryTopicOf | wikipedia-en:Republic_XF-12_Rainbow |
| is dbo:wikiPageDisambiguates of | dbr:Rainbow_(disambiguation) |
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