WWII German Luftwaffe Bomber
The SB (Skorostnoy Bombardirovschik – High-speed Bomber) was one of the world’s first twin-engined bombers with smooth metal plating and retractable chassis. SB (ANT-40) has constructed in the A.
N. Tupolev design bureau under the supervision of A.A. Archangelsky. It made its maiden flight in October 7, 1934.
M-100 engines powered first serial aircraft. They took part in Spanish Civil War (nicknamed “Katiushka” by Republicans and “Martin Bomber” by Nationalists).
Since 1937 it were produced SB with M-100A engines and three-blade propellers. These aircraft became the basis of Soviet bomber aviation. SB took part in many armed conflicts in late 30s and in
the initial stage of the Soviet-German War.
In 1938 began license building of SB 2M-100 in Czechoslovakia as Avia B-71. These aircraft later served in Bulgarian Air Force and German Luftwaffe.
fuselage and interior assembly
body and rudder assembly
bomb bay assembly
inner frame assembly
rudder and elevator assembly
landing gear assembly