V2EX understeer

Understeer

定义 Definition

(车辆)转向不足/推头:车辆在转弯时前轮抓地力不足,导致实际转弯半径比驾驶者期望的更大,车头“往外推”,需要更大的转向角或降低速度才能按预定路线过弯。(也可作动词:to understeer)

发音 Pronunciation (IPA)

/ndrstr/

例句 Examples

The car began to understeer on the wet road.
车在湿滑路面上开始出现转向不足(推头)。

If you enter the corner too fast, the front tires can lose grip and the car will understeer wide, forcing you to slow down and adjust your line.
如果你入弯速度过快,前轮可能失去抓地力,车辆会推头向外跑,你就不得不减速并调整行车路线。

词源 Etymology

由 **under-**(“不足、低于”)+ steer(“转向、操纵方向”)构成,字面意思是“转向不够”。该词常用于汽车工程、车辆动态与赛车驾驶语境,用来描述车辆转向响应小于驾驶者输入的情况。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Race Car Vehicle Dynamics(William F. Milliken & Douglas L. Milliken)讨论车辆动态时频繁使用“understeer”描述稳态转向特性。
  • Tune to Win(Carroll Smith)在悬架与设定章节中用“understeer/oversteer”分析操控倾向。
  • Ultimate Speed Secrets(Ross Bentley)在驾驶技巧与弯道策略中用“understeer”解释推头现象及应对方法。
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