迎むかえ角かく

noun

angle of attack

Technical term in aerodynamics and fluid dynamics; the angle between a reference line on a body (such as a wing chord) and the oncoming flow.

• 迎むかえ角かくが大おおきすぎると、翼つばさは失しっ速そくする。

  If the angle of attack is too large, the wing stalls.