420mm 2B1 Oka Self-Propelled Gun-Mortar – Fotografije & Video

420mm 2B1 Ok Samohodna pištola-minomet
Državi	URSS
Vrsta	Samohodna malta

Photo galery of a 420mm 2B1 Oka Self-Propelled Gun-Mortar, 2B1 Oka (Russian: 2Б1 Ока) is a Soviet 420 mm self-propelled gun. 2B1 is its GRAU designation. An experimental model was ready in 1957. Its chassis (Object 273), was designed and built by the Kirov Plant. Its 20 meter barrel allowed it to fire 750 kg rounds up to 45 km. Due to its complexity of loading it had a relatively low rate of fire—one round every five minutes. Field tests showed various drawbacks of the entire design (the recoil was too strong for many components: it damaged drive sprockets, tore the gear-box away from its mountings, etc.) and the sheer length rendered it incredibly difficult to transport.

Vir: Wikipedija

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420-milimetrska 2B1 Oka samovozna pištola je bila sovjetski eksperimentalni topniški sistem, razvit v 1950-ih. Zasnovan je bil za streljanje jedrskih lupin na dolge razdalje, do 45 km. Pištola malta je bila nameščena na modificirano težko tankovsko podvozje T-10 in je imela šestčlansko posadko. 2B1 Oka je imela zelo velik kalibar in zelo nizko hitrost gobca, zaradi česar je bilo težko ciljati in ranljivo za protipožarni ogenj. Pištola-malta je imela tudi zelo visoko silo povratnega udara, ki je povzročila škodo na šasiji in posadki. 2B1 Oka ni nikoli sprejela sovjetska vojska in zgrajena sta bila le dva prototipa. Projekt je bil odpovedan leta 1960 zaradi svoje nepraktičnosti in zastarelosti.