開起來會左右上下搖晃 是避震器還是底盤問題?

蠻好奇大家說的舊型日系車 開起來都像船
乘坐的人若遇到連續彎 或多坑洞道路 一定暈!
然後也不是歐洲車就一定不會暈 像Tiguan其實後座也蠻晃的

這到底是避震器太軟 還是底盤剛性問題?

比如說公認的船車CRV 如果把避震器改的很硬 是否就沒這個問題了?
還有跟輪胎有沒有關係? 比如說也換成黏性強一點的胎
請專家幫忙解答 感謝~
2018-07-23 21:01 發佈

lujatin wrote:
蠻好奇大家說的舊型...(恕刪)

太硬了
太硬的晃無法吸收震動 但是就搖一次
太軟的晃是吸收完抓不住 又多晃兩下
輪胎也有關係
輪胎胎壁阻尼高跟阻尼低差異也蠻明顯的

這是個人感受啦
I think you need at least Koni Sport. European OEM shocks are not good enough for your taste. I have similar problem as yours now...

See the below chart. Japanese can also make firm sport shocks but they just cannot make firm sport shocks which can also reasonable comfort ride at the same time. This is why GT-R adopts Bilstein and my GS F adopts Sachs... (So far European damping technology is more advanced)

----------------------------------- stable----------comfort
Japanese Shock (comfort): ----- 3 --------- 8
Japanese Shock (sport) : ------- 8 -------- 3 <-- without reasonable comfort, this is more suitable on only race track use because race track is smooth most of time.
European Shock (comfort) : ----- 6 ------------ 8
European Shock (sport) : ------- 8 ------------ 6 <-- this can be used on both race track and public roads

So shock design becomes much more sophisticate when they are intended to be used on public roads and race tracks at the same time I think...
Let me tell you one more thing. In my experience Honda's damping is best or firmest when it is comparing with Toyota and Nissan...

Nissan usually has firmer springs. So when turning you may feel Nissan is better. But when road becomes bad, Nissan become unstable quickly.

I'm not sure what is your problem is. You may need firmer sway bars only....
By the way firmer shock/spring/sway bar is not always better. Too firm shocks/springs and bad road can make your car become unstable and lost control easily....
One more hint...

Shock, spring, sway bar, tire, unit body hardness, double A suspension, steering etc all impact your handling/stable feel of your car but shock, spring, tire and sway bar are most important factors which you can feel right away, I think.

Tire is most important factor to your car's grip/capable level. Some cars feel soft/unstable but good tire make its limit much higher. Some cars feel stable but bad tire make it lost control easily.





如依你的主題是避震器的問題,底盤剛性比較沒關係
lujatin wrote:
這到底是避震器太軟 還是底盤剛性問題?

駕駛的問題佔很重

軟有軟的開法
整體的連貫和布局非常重要
對車況路線的掌握要求更高
像是 S 彎道的負重移動過程要順
必需考慮彈簧的作用時機和程度
從轉幅和路線來進行搭配

改彈簧避震可以讓反應變快, 開起來比較輕鬆
但負重移動不做好一樣會暈
個人積分: 87, 不能再高了 www.flickr.com/photos/inunu
休旅車車高比較高 本來就會放大所有路感

如果用駕駛轎車邏輯來開休旅車 一定會罵聲連連

我認識的輪胎底盤店家處理這類問題

會優先建議換組泥油 或是換強化前後下拉桿(防傾桿) 這樣最不影響定位

但如果不介意吃胎跳花 或是桶身壽命縮短

把避震彈簧改低 輪距加寬 穩定上就會非常有感
lujatin wrote:
蠻好奇大家說的舊型日...(恕刪)
SUV 的重心高,另一個很重要的因素是輪胎的扁平比,通常都到65以上,像前面說的,車輛的重心轉移要平順,駕駛的方式要改變…
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