Naval IjiTS

Twin 40mm Bofors on Hazemeyer stabilised mounting (Courtesy: MoD Pattern Room)

Makineli Fekler

the Oerlikons) was seen to disturb the approach of of the war the simpler and slightly lighter (6,500kg) the Japanese aircraft. The recommendation was Mk V twin mounting was developed instead and strongly in favour of fitting Bofors guns in the future.

The air cooling obviously limited the continuous this became the basis of the standard post-war twin mounting.

The increase in automatic AA firepower fitted to rate of fire. The navy therefore adopted the twin- British ships was considerable. At the start of the barrel, water-cooled Hazemeyer mounting of war, destroyers were typically fitted with a pair of

Dutch origin, the first RN vessel being equipped in quadruple .5" mountings (and their main gun

November 1942. This was a complex powered armament was incapable of AA fire). The late-war mounting, triaxially stabilised so that the guns Battle class destroyers were equipped with up to would (at least in theory) be held on target regard- eight Bofors and six Oerlikon guns, as well as hav-

less of ship movement, but it weighed over 7,000kg ing dual-purpose wain guns.

and was not noted for reliability. Towards the end

Both air- and water-cooled Bofors guns were

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