Date: Sat, 14 Sep 2013 19:31:29 -0400
Reply-To: Larry Alofs <lalofs@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Larry Alofs <lalofs@GMAIL.COM>
Subject: Re: Why Bigger Brakes Was Cause of brake rotor warping
In-Reply-To: <5234CA28.1020204@turbovans.com>
Content-Type: text/plain; charset=ISO-8859-1
ABS isn't very "super modern high tech" anymore
Larry A.
On Sat, Sep 14, 2013 at 4:42 PM, Scott Daniel <scottdaniel@turbovans.com>wrote:
> Hi Dave ...
> obviously .....one doesn't waituntil loss of control of descent speed is
> starting to happen.
> I think you live in an area that does not have a lot of long or steep
> descents.
> Those two mentioned the other day are classic descents on the West
> coast (where there are many long chalelening descents' )
>
> as soon as one starts into one of those ..if thinking and at all a
> skilled driver ..you go right into 'long steep descent mode' ..
> you keep speed down, you downshift etc.
>
> done right ...there's never any feel of brake fade.
> Heck ..if someone ever feels brake fade affect at all, they've already
> over-driven the brakes.
> If that does happen ..you immeidately go into 'even slower more careful
> mode' .
>
> 'usually' when a truck can't control their descent speed ...they may
> have never built up much real speed.
> a say 60,000 lb truck can be going 7 mph and not be able to stop. Even
> slowerthat that sometimes.
> So probably, most of thetime trucks don't fly into those gravel traps
> at say 60+.
> I think I have seen just one ever in a gravel trap ..
> and I doubt they entered going very fast at all.
>
> there is a LOT one can do that's intelligent when braking any vehicle.
> It's not just 'pushing on that pedaland seeing what happens.'
>
> Develope a feel for it. Use your brakes all kinds of ways that you
> wouldn't usually in safe places.
> People should have an idea what their van is going to do in a panic stop
> situation at say 70 mph.
> Of course people should never 'drive into' situations
> where there's going to be any panic stop situation.
> Manypeople do though ...'most drivers' are fairly clueless.
> not montioring what's going on behind them and way behind them..
> or WAY out in front of them ..
> they let people fly formation on them, follow too close ..
> drive alongside buses and trucks for miles at a time..
> and many other dumb things ..
> and..
> heck ..even in a panic stop ..it is not 'cream on the brake pedal full
> instaneous effort' .
> that's good way to loose control of the vehicle.
> Even in a 'oh crap !!' panic stop ...use 'feel' ....you want the tires (
> on dry pavement ) just short of lock-up.
>
> if fact ...super modern high tech cars like BMW's and Mercedes can tell
> when the driver has freaked out and is in full panic stop mode, and will
> operate the breaks appropriately and much better than a paniced typical
> clueless driver can.
>
> Electro-hydrualic brakes ..all computer controlled, can do things like
> drag the pads very lightly on the discs in rainy conditions..to keeep
> the pads dry.
> Modern cars have 'electronic brake force distribution' ..
> the sensors and computers in the cars are working hard to get the
> absolute most out of the brakes.
> Heck ....some exotic cars have carbon ceramic brakes that are an 8,000+
> dollar option.
> Those don't fade, period.
>
> Just drive smart is all ! Drive within the capabilities of the
> vehicle and stay 'AWAY' from other cars as much as possible - you'd
> think people would realize this, but they don't. One gender I am sure
> feels better closer to other cars ...like that's more trusting and
> intimate driving that way ... ...something that we are not allowed to
> say ..but it's an actual factor.
> I've had someone 'lock on' to me at night ..
> on totally empty roads ..over and over ...just could not shake 'em ..
> whether I sped up or slowed down ...every 10 minutes or so ..there'd
> they be ..'locked on' again ..close to me, on a totally empty deserted
> road. Sure enough ..it wasn't a man.
> try to drive AWAY from other vehicles please ! It can onlyhelp. Dense
> traffic is a differen story of course.
> And even then people don't see how to 'control and defend their
> position' intelligently in the whole mass.
>
> besafe !
>
>
>
>
> On 9/14/2013 6:42 AM, Dave Mcneely wrote:
>
>> Well Scott, what does one do if the brakes are overheated, but not using
>> them will result in uncontrollable speed? I have never had this situation,
>> though I have driven on some several mile long, steep grades. But some
>> people have. Truckers certainly have faced that situation, to the point
>> that highways are equipped with runaway truck ramps. I can sure imagine
>> the fear involved in having to pull into one of those things! mcneely
>>
>> ---- Scott Daniel <scottdaniel@turbovans.com> wrote:
>>
>>> I hope everyone recognizes it's better to cool brakes by driving and not
>>> using them, then to just stop with very hot brakes.
>>>
>>>
>>> On 9/13/2013 8:29 PM, Dave Mcneely wrote:
>>>
>>>> ---- Mike Miller <mwmiller6@ATT.NET> wrote:
>>>>
>>>>> I certainly didn't do it on purpose. In both cases when it happened I
>>>>> just didn't think it would, but there was never a place to get off the
>>>>> brakes and let them cool. Constant downgrade and suddenly overheated!
>>>>>
>>>> What gear were you in? Was there a place to stop? Maybe not, on some
>>>> mountain roads there is no place to pull over. But in a low gear one is
>>>> usually able to keep the speed down enough to rest the brakes sometimes.
>>>>
>>>>> On Sep 13, 2013, at 3:54 PM, <mcneely4@cox.net> wrote:
>>>>>
>>>>> ---- Mike Miller <mwmiller6@ATT.NET> wrote:
>>>>>>
>>>>>>> Haven't had to gear down yet, but I haven't gone over those two
>>>>>>> roads again either
>>>>>>>
>>>>>> I don't have to be on brutally downhill roads to gear down and avoid
>>>>>> excessive braking. I have never overheated brakes, and I don't intend to.
>>>>>> mcneely
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ______________________________**__
>>>>>>
>>>>> --
>>>> David McNeely
>>>>
>>>> --
>> David McNeely
>>
>>
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