[問題] 飛機在巡航時螺旋槳會怠速運轉嗎?
因為本身很少有機會搭到國內線螺旋槳系列的小飛機
只有搭過一兩次去外島玩的時候搭過ATR-72型
只是之前沒特別注意飛機的螺旋槳詳細運作的方式
剛剛看到一個影片發現 原來螺旋槳在巡航時會怠速運轉?
http://www.youtube.com/watch?v=sw3P8CXMA2U
該影片應該是由台東飛往松山的班機
原本以為是視覺殘差造成的錯覺 不過後來要降落前螺旋槳還真的運轉了
比較好奇的是 通常這種螺旋槳飛機巡航時的動力來源是什麼?
是透過螺旋槳後面發動機那個洞口嗎?
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