翻訳と辞書
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・ BL 4.7 inch /45 naval gun
・ BL 5 inch gun Mk I – V
・ BL 5-inch howitzer
・ BL 5.4-inch howitzer
・ BL 5.5 inch Mark I naval gun
・ BL 5.5-inch Medium Gun
・ BL 6 inch 80 pounder gun
・ BL 6 inch gun Mk II – VI
・ BL 6 inch gun Mk V
・ BL 6 inch Mk XI naval gun
・ BL 6 inch Mk XII naval gun
・ BL 6 inch Mk XXII naval gun
・ BL 6 inch Mk XXIII naval gun
・ BL 6 inch naval guns Mk XIII – XVIII
・ BL 6-inch 26 cwt howitzer
BL 6-inch 30 cwt howitzer
・ BL 6-inch Gun Mk XIX
・ BL 6-inch Mk VII naval gun
・ BL 60-pounder gun
・ BL 7.2-inch howitzer
・ BL 7.5 inch Mk VI naval gun
・ BL 7.5-inch Mk I naval gun
・ BL 7.5-inch Mk II – V naval gun
・ BL 7.5-inch naval howitzer
・ BL 8 inch Mk I – VII naval gun
・ BL 8 inch Mk VIII naval gun
・ BL 8-inch howitzer
・ BL 8-inch howitzer Mk I–V
・ BL 8-inch howitzer Mk VI – VIII
・ BL 9.2 inch gun Mk IX–X


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BL 6-inch 30 cwt howitzer : ウィキペディア英語版
BL 6-inch 30 cwt howitzer

The Ordnance BL 6 inch 30cwt howitzer was a British medium howitzer used in the Second Boer War and early in World War I. The qualifier "30cwt" refers to the weight of the barrel and breech together which weighed 30 hundredweight (cwt) : 30 x 112 lb = 3360 lb. It can be identified by the slightly flared shape of the muzzle and large recuperator springs below the barrel.
==History==
Introduced 1896, based on an Indian Army design.
Its original shell was 122 lb 9 oz Lyddite explosive. In 1901 a lighter shell was introduced which increased maximum range when firing from its wheeled travelling carriage to 7000 yards.〔Hall June 1972〕 These were then referred to as the "heavy" and "light" shell respectively. A 100 lb shrapnel shell was also available.
It was phased out and replaced by 6 inch 26 cwt howitzer from late 1915 onwards.
Also, in 1915 it received barrel, breechlock, recoil system and ammunition upgrade increasing its maximum range to 10400m (8400m with standard ammunition).((See specifications) )

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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