P-47 Heavy Damage

devastatingly effective at short range.

As with the French, the German 37mm gun in use early in the war was not automatic. The 3.7cm SKC/30 fired an exceptionally powerful 37 X 380R cartridge (750g at 1,000 m/s) but at only 30 rpm.

The Italians also used 37mm and 20mm cannon, the former using a 37 X 230SR cartridge and the latter firing the same (20 X 138B) ammunition as the German guns. There was also a 13.2mm Breda Ml931 machine gun, using Hotchkiss ammunition and with a similar specification, fitted to submarines in both single and twin mountings. Some earlier 40mm Vickers-Terni in single mountings, licence-produced versions of the British 2pdr, remained in service.

The 37mm Breda was available in a variety of single and twin mountings, one of which was

Breda 37mm M1932

Effect of 25mm Type 96 fire; damage to P-47 wing

(Courtesy: US Naval Historieal Centre)

Hotchkiss Rapid Fire Cannon Pic

25 mm Type 96 (25mm Hotchkiss) triple mounting installed on Guadalcanal beach, October 1942

(Courtesy: US Naval Historical Centre)


Prinz Eugen

20mm Flakvierling installed on Prinz Eugen in preparation for the Channel Dash, February 1942

(Courtesy: US Naval Historical Centre)

stabilised - an unusual degree of sophistication for weapons were derived from the Bofors 25mm of any weapon at that time. Most were air-cooled

1932, the Soviets concentrating first on adapting

(although the stabilised M1932 twin was water- the gun to 37 X 250R calibre to produce the M39.

cooled), but all were fed by six-round magazines. This was initially an air-cooled weapon available in

Mounting weights varied between 1,500kg and a single manually operated mount weighing

5,000kg and the rate of fire was 120 rpm per barrel. 2,800kg and fed by five-round clips, although a

The gas-operated air-cooled 20mm Breda was water-cooled version, the W-ll-M, in a single also available in a stabilised twin mounting, the mounting or a twin weighing 3,800kg, appeared

RM1935, in which the guns were arranged in a after the war. The 25mm version, the M1940, fired diagonally staggered mounting weighing 2,200kg. a 25 X 218R cartridge based on the Bofors' (but

There was a free-swinging single Ml940 mounting slightly different in dimensions), and did not enter weighing a more realistic 312kg. The rate of fire service until 1941. The 12.7mm gun was a version was 240 rpm, but the magazine held only twelve of the armys Degtyarev (DShK) heavy machine rounds. The Regia Navale also made use of the Isotta-Fraschini-built Scotti 20mm which used the same ammunition. It was available in twin (RM1935) and single (M1939) mountings.

gun, available in single, twin and quadruple mountings.

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