https://blog.gongquiz.com/2024/04/27/%ea%bc%ac%eb%a6%ac%ed%9a%8c%ec%a0%84%eb%82%a0%ea%b0%9ctail-rotor%ea%b0%80-%ed%95%84%ec%9a%94%ed%95%9c-%ed%97%ac%eb%a6%ac%ec%bd%a5%ed%84%b0%eb%8a%94-%ed%95%ad%ea%b3%b5%ec%82%b0%ec%97%85%ea%b8%b0/