OT: Car buffs, help needed

Sandra Hermann jeepgirls2004 at yahoo.com
Fri Oct 30 22:18:31 EDT 2009


What air lockers are not exciting?   Damn I must be a bit behind. LOL

Thanks for the tip and the answer to my question.  
JG
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--- On Fri, 10/30/09, John Francis <johnf at panix.com> wrote:

> From: John Francis <johnf at panix.com>
> Subject: Re: OT: Car buffs, help needed
> To: "Pentax-Discuss Mail List" <pdml at pdml.net>
> Date: Friday, October 30, 2009, 7:50 PM
> 
> Jeep and "gee-whiz technology" don't belong in the same
> discussion :-)
> 
> Twin-clutch transmissions are semi-automatic or full
> automatic
> transmissions that don't have a torque converter (which is
> one
> of the biggest sources of power loss in an automatic
> transmission).
> You need computer-controlled transmissions to make them
> usable,
> so although they were seen in performance cars in the 80s
> (the
> Porsche 956 & 962 in sports car racing, and the equally
> dominant
> Audi Quattro rally car), it's only recently that they
> showed up
> in cars in the showroom. They are mostly to be found in
> high-
> end performance marques (Bugatti, Ferrari, Porsche, BMW, .
> . .),
> but Ford and VW use them in models for the consumer
> marketplace.
> 
> The benefit, for performance cars, is the very fast shift
> times
> that are possible (1/10 of a second or less).
> 
> 
> 
> On Fri, Oct 30, 2009 at 04:55:19PM -0700, Sandra Hermann
> wrote:
> > Why in the world would you need more than one
> clutch?  Isn't one bad enough?   
> > JG
> > P.s.  I think Jeeps may be a great topic..... 
> > 
> > 
> > ?Help me support Autism research!? Join my team!??http://www.walknowforautism.org/stlouis/blubiconsbuddies
> > ?http://stampmine.blogspot.com/http://samsphotopage.blogspot.com/?
> > 
> > 
> > --- On Fri, 10/30/09, John Francis <johnf at panix.com>
> wrote:
> > 
> > > From: John Francis <johnf at panix.com>
> > > Subject: Re: OT: Car buffs, help needed
> > > To: "Pentax-Discuss Mail List" <pdml at pdml.net>
> > > Date: Friday, October 30, 2009, 3:31 PM
> > > On Fri, Oct 30, 2009 at 04:13:55PM
> > > -0400, paul stenquist wrote:
> > > > What's the latest gee-whiz technology in the
> auto biz.
> > > Looking for? 
> > > > topics that are unusual and somewhat
> obscure. For
> > > example the ceramic? 
> > > > brake disc is potentially a good topic, the
> hydrogen
> > > fuel cell? is? 
> > > > probably not. Any ideas will be greatly
> appreciated.
> > > 
> > > The place to look for cutting-edge technology is
> often in
> > > racing,
> > > and typically in F1 and/or WRC.
> > > 
> > > Currently F1 is using carbon/carbon brakes -
> ceramics are
> > > old hat.
> > > 
> > > If you're looking for technology that's just
> beginning to
> > > show up
> > > in cars driven by mere mortals, twin-clutch
> transmisssions
> > > might
> > > be worth taking a look at.
> > > 
> > > 
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