[Leica] Fuel consumption when accelerating - was Prius (OT)

[abridge at gmail.com (Adam Bridge)]

Ahhhhhhhhh....... a self-admitted big blow hard! :)

Adam

On Nov 16, 2007 6:52 PM, Jim Nichols <jhnichols@bellsouth.net> wrote:
>
> Jacques,
>
> Thanks for the response, but you are "preaching to the choir". I worked in
> the wind tunnel business for forty years.
>
> Jim Nichols
> Tullahoma, TN USA
>
> ----- Original Message -----
> From: "jacques bilinski" <jacques_bilinski@yahoo.com>
> To: "Leica Users Group" <lug@leica-users.org>
> Sent: Friday, November 16, 2007 7:08 PM
> Subject: [Leica] Fuel consumption when accelerating - was Prius (OT)
>
>
> >>>>>
> >  I have to agree about the fascination with the MPG readout.  I recently
> > bought a 2007 Volvo V70 which has that readout available, and I find
> > myself
> > consulting it frequently, which takes me away from looking through the
> > windshield. I use it, mainly, to see the negative affect of rapid
> > acceleration.
> >  <<<<
> >  A low instantanous fuel consumpiton when accelerating is not as bad as 
> > it
> > seems because kinetic enery is being added to the car which will be used
> > to propel it later. In fact competitive fuel consumpion drivers use a
> > method called 'pulse and glide' in which they accelerate fairly rapidly
> > and then shut off the engine and coast for a while. Internal combusion
> > engines are most efficent at fairly high power outputs. The reason fast
> > driving results in higher fuel consumption is primarily because of air
> > resistance. At some speeds the Prius will cycle its engine on and off
> > which improves cosumption, despite all the losses of converting the 
> > energy
> > to electricty, to chemical energy in the battery, back to electrical
> > energy, and then to kinetic energy.
> >
> >
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> >
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>
>
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