接近角与离去角

接近角与离去角（英语：Approach and departure angles）是汽车设计中的一项几何参数，常作为对车辆越野能力的指标之一，^[1]两者也合称为坡道角（英语：ramp angles）。 ^[2]接近角是指车辆能从水平地面顺利爬上的最大斜坡角度，^[3]也就是前悬^{[注 1]}与地面之间的夹角。 ^[1] ^[5]离去角则是车辆能顺利从斜坡回到水平地面的最大斜坡角度，即后悬^{[注 2]}与地面之间的夹角。

参见

纵向通过角（英语：Breakover angle）
外悬（英语：Overhang (vehicles)）
车高（英语：Ride height）

注脚

^ 前保险杆最凸出处到前轮中心的距离称为前悬^[4]
^ 后轮中心到后保险杆最凸出处的距离称为后悬^[4]

参考

^ ^1.0 ^1.1 Angle of Approach. carlist.com. [2014-12-04]. （原始内容存档于2015-03-28）.
^ Lane, Keith. Automotive A-Z: Lane's Complete Dictionary of Automotive Terms. Veloce Publishing Ltd. 2002: 376.
^ angle of approach, The free dictionary, [2023-05-31], （原始内容存档于2023-05-12）
^ ^4.0 ^4.1 汽車度量衡—車身尺寸. U-CAR.
^ 49 CFR 523.2 - Definitions., U.S. Code of Federal Regulations, Cornell University Law School, [2014-12-04], （原始内容存档于2023-05-31）, Approach angle means the smallest angle, in a plane side view of an automobile, formed by the level surface on which the automobile is standing and a line tangent to the front tire static loaded radius arc and touching the underside of the automobile forward of the front tire.

外部链接

Approach and Departure Angles （页面存档备份，存于互联网档案馆） at Why High End?

这是一篇与科技相关的小作品。您可以通过编辑或修订扩充其内容。

[5] 前保险杆最凸出处到前轮中心的距离称为前悬^[4]

[7] 后轮中心到后保险杆最凸出处的距离称为后悬^[4]

[carlist-1] 1.0 ^1.1 Angle of Approach. carlist.com. [2014-12-04]. （原始内容存档于2015-03-28）.

[2] Lane, Keith. Automotive A-Z: Lane's Complete Dictionary of Automotive Terms. Veloce Publishing Ltd. 2002: 376.

[3] roach, The free dictionary, [2023-05-31], （原始内容存档于2023-05-12）

[ucar-4] 4.0 ^4.1 汽車度量衡—車身尺寸. U-CAR.

[6] 49 CFR 523.2 - Definitions., U.S. Code of Federal Regulations, Cornell University Law School, [2014-12-04], （原始内容存档于2023-05-31）, Approach angle means the smallest angle, in a plane side view of an automobile, formed by the level surface on which the automobile is standing and a line tangent to the front tire static loaded radius arc and touching the underside of the automobile forward of the front tire.

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[注 1]

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[注 2]

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