Tupolev SB facts ✈️ Tupolev ANT-40 ✈️ high speed twin-engined three-seat monoplane bomber скачать в хорошем качестве

Tupolev SB facts ✈️ Tupolev ANT-40 ✈️ high speed twin-engined three-seat monoplane bomber

#aircraft Aircraft facts. Military aircraft facts. The Tupolev ANT-40, also known by its service name Tupolev SB and development co-name TsAGI-40, was a high speed twin-engined three-seat monoplane bomber, first flown in 1934. The Tupolev design was advanced but lacked refinement, much to the dismay of crews, maintenance personnel, and Stalin, who pointed out that "there are no trivialities in aviation". Numerically the most important bomber in the world in the late 1930s, the SB was the first modern stressed skin aircraft produced in quantity in the Soviet Union and probably the most formidable bomber of the mid-1930s. It was produced in the Soviet Union and was also built under license in Czechoslovakia. Many versions saw extensive action in Spain, the Republic of China, Mongolia, Finland and at the beginning of World War 2 against Germany in 1941. It was also used in various duties in civil variants, as trainers and in many secondary roles. By June 1941, 94 percent of bombers in the Red Army air force were SBs. The SB was an all-metal monoplane powered by two Klimov M-100 12-cylinder water-cooled engines which drove fixed-pitch two-bladed metal propellers. The engines were provided with honeycomb-type frontal radiators enclosed by vertical thermostat-controlled cooling shutters. At an early production stage, the M-100 engine gave place to an improved M-100A engine, driving ground-adjustable three-pitch propellers, with speed being boosted to 423 kilometers per hour at 4,000 meters. Because of its broad, high aspect ratio wing, that gave it a good altitude performance – Soviet crews nicknamed the SB the "Pterodactyl" Credits https://vimeo.com/297681836