Barrel roll

（重定向自Do A Barrel Roll）

Barrel rolls being performed by the Indian Air Force Surya Kiran during an air show

A barrel roll is an aerial maneuver in which an airplane makes a complete rotation on both its longitudinal and lateral axes, causing it to follow a helical path, approximately maintaining its original direction. It is sometimes described as a "combination of a loop and a roll." The g-force is kept positive (but not constant) on the object throughout the maneuver, commonly between 2–3 g, and no less than 0.5 g.

单词	Do A Barrel Roll
释义	Do A Barrel Roll 原声例句世界奇趣图谱 The F-4 did a barrel roll and avoided the incoming object. F-4 做了一个桶滚并避开了来袭的物体。英语百科 Barrel roll （重定向自Do A Barrel Roll） A barrel roll is an aerial maneuver in which an airplane makes a complete rotation on both its longitudinal and lateral axes, causing it to follow a helical path, approximately maintaining its original direction. It is sometimes described as a "combination of a loop and a roll." The g-force is kept positive (but not constant) on the object throughout the maneuver, commonly between 2–3 g, and no less than 0.5 g.
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