https://forum.axishistory.com/viewtopic.php?f=47&t=235059 여기서 주운 WAL 710/930-1라는 미군 보고서인데
There are conflicting data on the performance of spaced armor arrangements against shaped-charge shell. Tests during World War II showed that the 105 mm HEAT M67 shell could be defeated by spaced armor consisting of two 1-1/2" thick homogeneous armor plates spaced 12" apart. NDRC reported that spaced armor is superior to solid steel on a weight basis for protection against shaped charged shell. This advantage was attributed largely to the effect of the increased standoff caused by the spaced armor arrangements. The British report that "Hollow charge shell likewise exhibit a similar degradation of performance against such combination targets [...]. The efficiency of the jet deteriorated markedly with space distance [...]."
More recent information on newly designed shaped-charge shell indicate that they are not degraded by spaced armor combinations unless the skirting plates are placed at distanced from the main armor which are impossible from a practical engineering viewpoint to use in actual vehicle designs.
대충 2차대전 당시에는 공간장갑이 성작탄 상대로 짱짱이었는데 지금은(저 보고서 쓰여질때 기준으로 1950년) 의미 없다는 내용이 있거든. 그러면 쉬르첸도 2차대전 당시 성작탄들 상대로는 유효했던거 아니냐는 말임
저보고서에 써있는 레퍼들 보면 실험결과도 세세히 알 수 있을거 같긴한데 못찾겠고
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