引用・参考資料等 https://www.quora.com/Why-was-the-Corsair-cockpit-so-far-backhttps://www.quora.com/Why-was-the-nose-on-the-F4U-Corsair-so-much-longer-than-the-F6F-Hellcat-as-the-both-used-the-same-engine-R2800-double-wasphttp://www.historyofwar.org/articles/weapons_F4U-1.html
http://www.nicovideo.jp/watch/sm44090362