hughkk wrote:
從各種測試項目的測試結果綜合評估起來
哪來的各種測試項目的測試結果綜合評估起來??
請提出~
hughkk wrote:
awd真的不像是安全配備，而是功能型配備（視個人需要選購）
連4/AWD車都沒開過就下這樣的評論真有你的
上面都有大大自己換了4WD的Outlander現身說明了
阿你不是有好朋友有pajero,為什麼就是不借來開哩??
Dwing wrote:
這些車輛多在柏油路面上行駛，不須駕駛進行手動切換，主要目的是增加車輛的行駛安全性或性能；
網路上的確充斥許多像這種對awd似是而非的評論
沒經過實際的測試，只憑感覺寫文章
美國極俱公信力的測試機構consumer reports不是已經說了
「 it does nothing to improve cornering or braking.」
另外從之前貼過糜鹿測試、skidpad、thatcham影片也可以看出來
有awd的車型真的沒有比較厲害。
你如果還是不相信awd沒辦法為車子帶來額外的安全性
不仿試著在google輸入
「awd safer」
「awd safety」
你會看到很多類似這樣的文章
http://www.4x4abc.com/jeep101/safety.html
4WD/AWD safety - Is 4WD/AWD safer on snow and ice?
I am assuming that you want 4WD/AWD for safety on snow and ice. 4WD/AWD systems provide some but not much added safety! Only the convenience, that you don't have spinning tires when starting - or the convenience to get started where a 2WD would not be able to get going. Or the convenience to get up a snowy pass without spinning tires or without mounting chains.
However, once moving the physics for all vehicles are equal. 1WD, 2WD, 4WD, 6WD etc.
All motor vehicles need traction for safe steering - 4WD/AWD does not provide extra traction for steering.
All cars need traction for safe braking - 4WD/AWD does not provide extra traction for braking.
In that sense 2WD is "safer" - it leaves you stranded early and keeps you out of trouble. The trouble only 4WD/AWD owners might get into.
The problem is, that most 4WD/AWD owners think they operate a safer system. Once moving (on any slippery stuff) they drive faster than they should and not as carefully and slowly as they would in a 2WD. Much more 4WD vehicles are involved in accidents on snow and ice than 2WD.
Since snow and ice provide only marginal traction (so marginal that you need 4WD/AWD to start moving) and not enough lateral force can be created to support the tires during a turn, they slip sideways and the vehicle falls off the road. 4WD does not prevent that. 4WD is not involved in the steering part of driving.
Since snow and ice provide only marginal traction (so marginal that you need 4WD to start moving) not enough traction is available for safely stopping the car. Neither ABS nor 4WD helps you to stop the car. 4WD is not involved in the braking part of driving at all and ABS only keeps the tires from locking up. Locking or not locking has almost no influence on the stopping distance.
====
↑這篇文章的作者甚至認為某些情況下2wd比4wd安全
Dwing wrote:
目前雙Ｂ及一些超跑導入AWD 是為了噱頭,還是嫌車子太重增加重量?
前面說過了，是為了更好的直線加速力
Dwing wrote:
現今的AWD和4WD之間的分野已經愈來愈模糊，
為了理解容易，本文只針對最標準的系統進行解說，並沒有涉及其他容易混淆的系統，
總的來說，可以把AWD系統歸類成是「一般汽車」使用的系統，
這些車輛多在柏油路面上行駛，不須駕駛進行手動切換，主要目的是增加車輛的行駛安全性或性能；
AWD如果要細分還有全時跟適時這個部分知道的人就知道就不多說了
Dwing wrote:
而4WD則可以說是「卡車」使用的系統，這類車輛需要行駛於崎嶇、惡劣的地形，著重於跨越障礙和脫困的能力。
這邊的卡車換成吉普車或是悍馬車應該會比較貼切一點
Dwing wrote:
目前雙Ｂ及一些超跑導入AWD 是為了噱頭,還是嫌車子太重增加重量?
https://www.xuehua.us/2018/04/17/%E5%B0%BC%E6%A1%91-r32-skyline-gtr-%E6%88%91%E4%BB%AC%E6%95%AC%E4%BB%B0%E7%9A%84%E5%B9%B4%E4%BB%A3/zh-tw/
https://read01.com/4DAzR4R.html
早年NISSAN的GTR也是搭載4WD系統還因為速度太快太犯規被要求增加重量或是直接禁止參賽
hughkk wrote:
再這樣胡亂比較，hsnu786可是會生氣的喔
你連貫性跟動力滑胎都不清楚, 只能找藉口混淆視線 ~
如果他真生氣, 會直接回我 ~
根據 thatcham 的影片
對照組 - 兩者皆是 esc off
2wd esc off = 偏離路線的角度 = 4wd esc off
說明兩者在沒有分配輪胎轉速的狀況下都會失控 ~
實驗組 - 兩者 esc on, 不過控制輪胎轉速的方式不同
2wd esc on = 偏離路線的角度多
4wd esc on = 偏離路線的角度少
所以結論是 4 wd 比 2wd esc on 時更穩, 更安全
這樣比很清楚, 直接讓大濕您破功, 生氣的是你吧 ~
Kazama's 350hp 370GT
hughkk wrote:
網路上的確充斥許多像這種對awd似是而非的評論
沒經過實際的測試，只憑感覺寫文章
美國極俱公信力的測試機構consumer reports不是已經說了
「 it does nothing to improve cornering or braking.」
另外從之前貼過糜鹿測試、skidpad、thatcham影片也可以看出來
有awd的車型真的沒有比較厲害。
你如果還是不相信awd沒辦法為車子帶來額外的安全性
不仿試著在google輸入
「awd safer」
「awd safety」
你會看到很多類似這樣的文章
http://www.4x4abc.com/jeep101/safety.html
4WD/AWD safety - Is 4WD/AWD safer on snow and ice?
I am assuming that you want 4WD/AWD for safety on snow and ice. 4WD/AWD systems provide some but not much added safety! Only the convenience, that you don't have spinning tires when starting - or the convenience to get started where a 2WD would not be able to get going. Or the convenience to get up a snowy pass without spinning tires or without mounting chains.
However, once moving the physics for all vehicles are equal. 1WD, 2WD, 4WD, 6WD etc.
All motor vehicles need traction for safe steering - 4WD/AWD does not provide extra traction for steering.
All cars need traction for safe braking - 4WD/AWD does not provide extra traction for braking.
In that sense 2WD is "safer" - it leaves you stranded early and keeps you out of trouble. The trouble only 4WD/AWD owners might get into.
The problem is, that most 4WD/AWD owners think they operate a safer system. Once moving (on any slippery stuff) they drive faster than they should and not as carefully and slowly as they would in a 2WD. Much more 4WD vehicles are involved in accidents on snow and ice than 2WD.
Since snow and ice provide only marginal traction (so marginal that you need 4WD/AWD to start moving) and not enough lateral force can be created to support the tires during a turn, they slip sideways and the vehicle falls off the road. 4WD does not prevent that. 4WD is not involved in the steering part of driving.
Since snow and ice provide only marginal traction (so marginal that you need 4WD to start moving) not enough traction is available for safely stopping the car. Neither ABS nor 4WD helps you to stop the car. 4WD is not involved in the braking part of driving at all and ABS only keeps the tires from locking up. Locking or not locking has almost no influence on the stopping distance.
====
↑這篇文章的作者甚至認為某些情況下2wd比4wd安全
前面說過了，是為了更好的直線加速力
AWD有增進但不是很多的安全性
因為駕駛太"課勢"AWD的性能,所以太大意才會導致意外發生
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