The TM-1-14 was a Soviet railway gun from the Second World War with a caliber of 356 mm.
== Description == The barrel, with a weight of 83.3 t (82.0 long tons; 91.8 short tons), came from the battle-cruisers of the Borodino-class, which were never completed. The armour piercing shells, with a weight of 747 kg (1,647 lb), flew up to 31 km (19 mi), with a speed of 731 m/s (2,398 ft/s). Later versions, with a weight of 512.5 kg (1,130 lb), flew up to 44.4 km (27.6 mi), with a speed of 950 m/s (3,117 ft/s). High explosive shells, with a weight of 473 kg (1,043 lb) reached up to 65 km (40 mi). 3 charges were used. In transport-configuration the height was 5.35 m (18 ft). Transition to firing-configuration took one to three hours, where lifting up the gun took 23 minutes. A rate of fire of 45 rounds per day could be attained. The gun also could be installed on a firing platform. Three guns each were in service with the 6th Railway Battery of the Pacific Fleet and the 11th Battery of the Baltic Fleet.
References
Franz Kosar: Eisenbahngeschütze der Welt. Stuttgart 1991, S. 155 f. und 228.
