https://blog.gongquiz.com/2023/05/22/%ea%b8%b0%ea%b4%80%ec%9d%b4-1500-rpm%ec%97%90%ec%84%9c-20-m-kgf%ec%9d%98-%ed%9a%8c%ec%a0%84%eb%a0%a5%ec%9d%84-%eb%82%bc-%eb%95%8c-%ea%b8%b0%ea%b4%80%ec%9d%98-%ec%b6%9c%eb%a0%a5%ec%9d%80-41-87ps/