Re: [請益] 球速?
先和原po說聲抱歉
這篇內容不是探討你原來的問題
而是看了推文及回文的人在討論之後
另外衍生出有關球速與變化球方面我好奇的地方
就是
究竟,本身快速球球速不快的選手(約在80~90km),
他的變化球(球種不討論)究竟是因為球的旋轉產生變化,
還是因為地心引力的功勞所產生的錯覺??
因為據我粗淺的知識所知,
變化球之所以會變化的原理,
是因為球的旋轉使得球縫線與氣流產生與快速球(直球)不同方向的擾動方式,
所以球行進方向與快速球不同稱為變化球,
但是如果要能夠使球的縫線與球周圍的氣流產生足夠擾動的能量,
球本身的旋轉速度(轉速)與球行進的速度(球速)究竟要到達哪種程度呢?(問題一)
舉個例子:在投變化球時,有人能夠將球投出時帶有強力的轉速,但是球行進的速度很慢,
那他投出的這顆球有可能成為一顆成功的變化球嗎?(問題二)
(本人懷疑那顆球在本壘板的很前面落下的可能性會比較大)
假設例子中的狀況能夠成立
那..如果一個選手他的最快球速(直球)不快(前面說到的80~90km),
那麼在投變化球時他能夠辦到我所說的
"將球投出時帶有強力的轉速"的可能性又有多大?(問題三)
歡迎討論、勿戰 希望有高手能夠解答
謝謝
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