引用・参考資料等 war thunder 内の画像・映像 https://www.quora.com/Why-did-some-Spitfires-have-clipped-wings-in-WW2https://www.quora.com/The-last-few-Marks-of-the-Spitfire-had-squared-off-wing-tips-Did-that-mean-earlier-marks-were-flawedhttps://www.stokemuseums.org.uk/pmag/the-science-behind-the-spitfire-part-1-wonderful-wings-strong/
http://www.nicovideo.jp/watch/sm44090357
