home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   rec.autos.driving      Automobile discussion (general)      162,179 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 161,421 of 162,179   
   The Real Bev to Jeff   
   Re: 1988 (Re: Cadillac runaway accelerat   
   23 Apr 15 20:33:18   
   
   From: bashley101@gmail.com   
      
   On 04/22/2015 10:25 PM, Jeff wrote:   
   > The Real Bev  wrote in news:mh6lkv$728$1@dont-   
   > email.me:   
   >   
   >> On 04/21/2015 04:07 PM, Ashton Crusher wrote:   
   >>> On Mon, 20 Apr 2015 22:37:14 -0700, The Real Bev   
   >>>  wrote:   
   >>>   
   >>>>On 04/20/2015 05:37 PM, Ashton Crusher wrote:   
   >>>>> Is this a rear wheel drive caddy with a v8 engine?   
   >>>>   
   >>>>V8, but front-wheel drive.   
   >>>>   
   >>>>And speaking of front vs rear wheel driving -- I seem to remember that   
   >>>>the standard with rear-wheel drive is to brake going into a curve and   
   >>>>accelerate going out to maximize traction.  Wouldn't it be exactly   
   >>>>opposite with front-wheel drive, even though it sounds absolutely   
   >>>>unworkable?   
   >>>   
   >>> In my 1965 drivers ed behind the wheel training they said to slow down   
   >>> before the curve, then apply gentle power thru the curve.  Not sure   
   >>> really why they bothered, it's entirely pointless for normal driving   
   >>> and they were not trying to get us up to speed for grand prix events.   
   >>> I think it partly had to do with how RWD cars, esp back then, would   
   >>> over steer if you gave them too much gas and spin out but if you went   
   >>> into a curve too fast they would under steer and the front end just   
   >>> plow off the outside of the curve.  So they had you slow down going in   
   >>> to avoid running off the outside from under steer and then only give   
   >>> it a little power thru the curve so you wouldn't spin out.  But again,   
   >>> at normal driving speeds it's just a silly thing to worry about.  On a   
   >>> slippery road in the rain it might make sense if you tend to not slow   
   >>> down much and with RWD.  With FWD it think it's too complicated to   
   >>> have a fixed rule, it will depend on how the car handles but since the   
   >>> front tires handle 80% of the braking and 100% of the steering forces,   
   >>> anything you do at "too high a speed" exposes you to problems with   
   >>> loss of control if you then add to the high speed a change in the   
   >>> demands on the front tires, such as changes in steering angles or   
   >>> brake application.  Maybe some of the weekend racers will chime in   
   >>> with better explanations/corrections to my thoughts.   
   >>   
   > With FWD, I usually brake lightly before a curve to carry enough speed that   
   > the throttle can be held steady until exiting the turn and then accelerate.   
   > Accelerating while in the turn can increase the understeer and cause you to   
   > drift farther to the outside of turn on exit than you want to go. This can   
   > vary between cars, of course. Many small FWD cars will lift the inside rear   
   > tire when accelerating through a hard turn but I had one once that would   
   > lift the inside _front_ tire.   
   >   
   >> Why would anybody ever want a car with oversteer?   
   >>   
   >> Given the importance of front tires, I'm amazed that modern   
   >> tire-replacement theory says you put the new pair of tires on the rear.   
   >>   It was explained that this was due to needing more traction on the   
   >> lighter rear end for slowing/stopping.  It still sounds like bullshit.   
   >>   
   > The last time I bought tires they told me that nonsense. I went ahead and   
   > put the new pair of tires on the front anyway. After about three years, I   
   > still haven't had the rear swing around like they say it will.   
      
   They refused to do it.  I caved.  No problems so far.   
      
   --   
   Cheers, Bev   
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   
   "My life outside of USENET is so full of love and kindness that I have   
     to come here to find the venom and bile that I crave."   --R. Damiani   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca