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本帖最后由 a5mg4n 于 2023-3-7 01:57 编辑
3、斯莱特号好像设置了一个单独的照明弹发射炮？是否属实，有否必要呢
http://www.pcf45.com/misfire/81-50.html
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With one of its primary roles being search and rescue at sea, the need for providing illumination for night time operations has always been a Coast Guard priority.
Both during World War II and the years following, this capability was provided by flares fired from three inch and five inch guns installed on its sea going cutters and weather ships. However, this method often performed poorly. The light of the flares was either too bright or too low in height to be of much use to the rescuers on the ships. The black powder used for these rounds also quickly gummed the barrels of the guns, creating the need to clean them after only four to six flares had been fired.
With these problems in mind, the Coast Guard began to look for a better at-sea illumination system late in 1962. The primary function of the new system would be to supplement the existing means, and give commanding officers of cutters greater latitude in establishing emergency illumination. The alternative was found in the U. S. Navy's 81mm mortar.
The Coast Guard headquarters took possession of two mounts from the Navy for testing and evaluation. The first tests were held off the coast of Bermuda on board a 311 foot former sea plane tender. The tests were successful, with evaluators reporting that, unlike the parachute flares, illumination from the mortar allowed them to see their instruments when the new system was used. The mortar also had the advantage of speed. It was possible to fire mortar rounds much faster than flares from the larger guns.
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大要:3"或5"炮發射的照明彈在撈人時用處不大,用的發射藥又容易汙染砲管,
後來裝個81迫,效果高到不知哪裡去了
在該艦上若有,大概目的相似? |
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发表于 2023-3-6 22:59
发表于 2023-3-7 18:56
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