Austria and Germany were particularly prolific in
manufacturing such massive weapons. Owing to the design and production
capabilities of the Krupp facilities, Germany produced the most famous heavy
weapons of the war. During the 1890s, Krupp began a program to produce a heavy
howitzer capable of destroying the massive concrete fortifications then being
constructed in Belgium and France. “Alpha,” the first of a series of
prototypes, was a 204mm weapon; it was followed in 1900 by the 305mm “Beta.”
Completed in 1911, the 420mm “Gamma” H was the culmination of the firm’s
program; weighing 175 tons, it required dismantling for transport on ten
railroad cars and fired a 2,535-pound shell up to 8.8 miles. By 1914 the Gamma
series had evolved into the more mobile Gamma M, also known as the “Big Bertha”
gun.
Popularly named after Alfred Krupp’s daughter, the 41.3-ton,
420mm “Big Bertha” had a horizontal sliding block and fired a 1,719-pound shell
up to 10,253 yards. Big Bertha required five tractors to transport its
components, and it had to be assembled on site. In conjunction with a number of
Austrian Skoda 305mm howitzers, the L/14 was first used with devastating effect
against Liège in August 1914; it saw other action on both the Western and
Eastern fronts. Owing to its relatively short range and vulnerability to Allied
fire, Big Bertha was obsolete by 1917. Another heavy piece, the 211mm Mörser
was adopted in 1916. It weighed 14,727 pounds and fired a 250-pound shell up to
12,139 yards.
420mm L/14 “Big
Bertha”
Adoption date: 1914
Caliber: 420mm
Weight: 41.3 tons
Breech: horizontal sliding block
Barrel length: 231 inches
Elevation: 70°
Traversal: 360°
Projectile weight: 1,719 pounds
Muzzle velocity: 2,676.5 fps
Maximum range: 10,253 yards
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