Dora - a unique super-heavy artillery weapon

Dora is a unique super-heavy railway artillery gun of the German army. Developed by Krupp (Germany) in the late 1930s.

Type: Super Heavy Railroad Artillery System

Country: Third Reich

Years of operation: 1941-1945

Designed: 1934

Total Issued: 2

Weight, kg: 1350 tons

Length, mm: 47, 3 m

Barrel length, mm: 32, 48 m

Width, mm: 7, 1 m

Height, mm: 11.6 m

Crew (calculation), people: 250 people to prepare the gun in 54 hours and 2, 500 additional personnel. 2 air defense battalions

Projectile: 4, 8 tons high-explosive; 7 tons of concrete breaker. Caliber, mm: 807 mm (31.5 inches)

Rate of fire, shots / min: 1 shot every 30-45 minutes or up to 14 shots per day

The initial velocity of the projectile, m / s 820 m / s high-explosive; 720 m / s concrete-breaking

Sighting range:

Maximum - up to 39 km

Maximum - 48 km