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- SPAD S.XI byl francouzský průzkumný, pozorovací a lehký bombardovací dvouplošník vyráběný firmou Société Pour L'Aviation et ses Dérivés v době první světové války. (cs)
- Die SPAD S.XI war ein französisches Militärflugzeug, das im Ersten Weltkrieg zum Einsatz kam. (de)
- The SPAD S.XI or SPAD 11 was a French two-seat biplane reconnaissance aircraft of the First World War. The SPAD 11 was the work of Louis Béchereau, chief designer of the Société Pour L'Aviation et ses Dérivés (SPAD), who also designed the highly successful SPAD 7 and SPAD 13 single-seat fighter aircraft. It was developed under military specification C2, which called for a two-seat fighter aircraft. As a result of its failure to meet the levels of performance and agility demanded by the C2 specification, the SPAD 11 was used, along with the more successful Salmson 2 and Breguet 14, to replace ageing Sopwith 1½ Strutter and Dorand AR reconnaissance aircraft. Persistent problems with the SPAD 11 led to its early replacement by the SPAD S.XVI or SPAD 16 variant. The SPAD 11 had some resemblance to Béchereau's single-seat fighters and employed much the same method of simple construction. Longer and heavier than the fighters, the SPAD 11's lower wings were designed with cut-outs to improve the observer's view of the ground. The aircraft was armed with a single 0.303-inch (7.7 mm) Vickers machine gun firing forward and a single Lewis machine gun of the same calibre on a flexible mount for the observer. Testing of the SPAD 11 showed poor performance, said to be little better than that of the SPAD S.A of 1915 and it was rejected as a C.2 class fighter aircraft, being reclassified as an A.2 reconnaissance aircraft. Further problems were encountered with the SPAD 11's Hispano-Suiza 8B engine. Some aircraft were fitted with a 12-cylinder Renault engine, but this lowered the aircraft's poor performance yet more. Handling problems were encountered, including tail-heaviness, making the aircraft tiring to fly, and a propensity to stall. In spite of these flaws, the SPAD was still superior to the Sopwiths and Dorands, and 12 squadrons were fully equipped with SPAD 11s. Some 1,000 SPAD 11s were built, most of which were out of service by the autumn of 1918, in most cases replaced by the SPAD S.XVI. Three Belgian squadrons used the SPAD 11 and two from the United States. The SPAD 11 was unpopular in American service, as in French, and so much so that one of the two squadrons issued with SPADs replaced them with Sopwith 1½ Strutters. Uruguay purchased a small number of aircraft after the war and some examples are known to have been used by Russia and Japan. A single SPAD 11 was modified as a night fighter, fitted with a searchlight on a framework mounted ahead of the propeller, under the Cn2 specification. (en)
- Le SPAD S.XI ou SPAD 11 était un avion de reconnaissance français biplan à deux places utilisé durant la Première Guerre mondiale. (fr)
- Lo SPAD S.XI fu un aereo da ricognizione monomotore, biposto e biplano, sviluppato dall'azienda aeronautica francese negli anni dieci del XX secolo. Utilizzato principalmente dall'Aéronautique Militaire, componente aerea dell'Armée de terre (esercito francese), e dalla russo-imperiale Imperatorskij voenno-vozdušnyj flot durante la prima guerra mondiale, pur realizzato in grande numero non incontrò i favori degli equipaggi che lo utilizzarono. Tuttavia il modello rimase in linea anche dopo il termine del conflitto, diventando uno dei principali aerei in dotazione alla neofondata Voenno-vozdušnye sily in Unione Sovietica. (it)
- SPAD S.XI – francuski samolot myśliwski i rozpoznawczy z okresu I wojny światowej. (pl)
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- 1000 (xsd:nonNegativeInteger)
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- 8198 (xsd:nonNegativeInteger)
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- water-cooled V-8 engine (en)
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- The Complete Book of Fighters (en)
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- Reconnaissance aircraft (en)
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- SPAD S.XI byl francouzský průzkumný, pozorovací a lehký bombardovací dvouplošník vyráběný firmou Société Pour L'Aviation et ses Dérivés v době první světové války. (cs)
- Die SPAD S.XI war ein französisches Militärflugzeug, das im Ersten Weltkrieg zum Einsatz kam. (de)
- Le SPAD S.XI ou SPAD 11 était un avion de reconnaissance français biplan à deux places utilisé durant la Première Guerre mondiale. (fr)
- Lo SPAD S.XI fu un aereo da ricognizione monomotore, biposto e biplano, sviluppato dall'azienda aeronautica francese negli anni dieci del XX secolo. Utilizzato principalmente dall'Aéronautique Militaire, componente aerea dell'Armée de terre (esercito francese), e dalla russo-imperiale Imperatorskij voenno-vozdušnyj flot durante la prima guerra mondiale, pur realizzato in grande numero non incontrò i favori degli equipaggi che lo utilizzarono. Tuttavia il modello rimase in linea anche dopo il termine del conflitto, diventando uno dei principali aerei in dotazione alla neofondata Voenno-vozdušnye sily in Unione Sovietica. (it)
- SPAD S.XI – francuski samolot myśliwski i rozpoznawczy z okresu I wojny światowej. (pl)
- The SPAD S.XI or SPAD 11 was a French two-seat biplane reconnaissance aircraft of the First World War. The SPAD 11 was the work of Louis Béchereau, chief designer of the Société Pour L'Aviation et ses Dérivés (SPAD), who also designed the highly successful SPAD 7 and SPAD 13 single-seat fighter aircraft. It was developed under military specification C2, which called for a two-seat fighter aircraft. As a result of its failure to meet the levels of performance and agility demanded by the C2 specification, the SPAD 11 was used, along with the more successful Salmson 2 and Breguet 14, to replace ageing Sopwith 1½ Strutter and Dorand AR reconnaissance aircraft. Persistent problems with the SPAD 11 led to its early replacement by the SPAD S.XVI or SPAD 16 variant. (en)
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- SPAD S.XI (cs)
- SPAD S.XI (de)
- SPAD S.XI (fr)
- SPAD S.XI (it)
- SPAD S.XI (pl)
- SPAD S.XI (en)
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