![]() ![]() ![]() Lenin, using the M-240 towed mortar as the basis. The new vehicle was developed by a team of engineers from the SKB (design bureau) of the Perm Machine Building Plant named after V. Initially, designers planned to utilize a common chassis used in the 2S1 Gvozdika self-propelled howitzer, but quickly found it was not robust enough to handle the significant recoil (approximately 400 tonne-force).Ī formal agreement to initiate work on the new project was signed on July 4, 1967, but preliminary design had been ongoing at the OKB-3 experimental design bureau since 1966 under G. Such a solution would help to simplify the overall design and construction of the vehicle and allow for a smaller, lighter prime mover. For firing, the gun was to be pivoted at the vehicle's rear and anchored in the ground with the use of a massive recoil-absorbing base plate. To alleviate the obvious mobility concerns, the military leadership proposed to mount the heavy mortar on a self-propelled, tracked chassis with the guns installed externally on the chassis, rather than in an enclosed superstructure or turret. Due to their relatively large dimensions, total mass and the heavy weight of their projectiles (and the M-240 in particular), these mortars could hardly hope to function in the field as infantry weapons, losing the features making such weapons desirable, that is their relatively simple operation, speed of deployment and mobility. ![]() History The Tyulpan in deployed position.įollowing World War II, the Soviet Union developed two types of heavy infantry mortar in 160 and 240 mm calibres, both conventional albeit breech-loaded designs. The Tyulpan is the largest mortar system in use today. The 2S4 Tyulpan (often spelled Tulpan, Russian: 2С4 «Тюльпан», lit.' tulip') is a Soviet 240 mm self-propelled heavy mortar. ![]()
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