Ferrari Mailing List: Re: [NFC] Amps draw for A8

[Martin Stark (MStark]

Made it back okay.  The trip used about 40% of the capacity of the three 
battery farm. Voltage (under load) was 12.20 at the end of the 2.5 hr., 
135 mile trip.

clyderomero [at] worldnet.att.net wrote:

> Hey dude you make it back?
>
> Clyde
> Sent via BlackBerry by AT&T
>
> -----Original Message-----
> From: Martin Stark <MStark [at] Copper.net>
>
> Date: Sun, 26 Jul 2009 22:07:15 
> To: clyde<clyderomero [at] worldnet.att.net>
> Cc: The FerrariList<ferrari [at] ferrarilist.com>
> Subject: Re: [Ferrari] [NFC] Amps draw for A8
>
>
> Todd,
>
> Thanks for the info.  I guessed the A8 would draw around 30 amps, that's 
> why I went nutso in the battery department.  Pulling the alternator is 
> enough of a PITA, I don't want to add breaking down at the side of the 
> road to that.
>
> ~Marty
>
> Todd Walke wrote:
>
>  
>
> > Martin wrote:
> >
> >        I measured the actual amp draw on my GTI some years ago while 
> > trying to track down an electrical issue.  I believe it drew around 10 amps 
> > at idle.  I'd suspect a newer car, with more cylinders and more electronics 
> > would probably draw 15-20 or so at speed.
> >        Typical car batteries have 90-120 minutes of Reserve 
> > Capacity.  Reserve Capacity is number of minutes a fully charged battery at 
> > 80deg F can supply 25 amps before dropping below 10.5 volts.  I'd think 
> > with three batteries and a car pulling around 25 amps, you have a good 
> > chance to make a 2.5 hour drive.
> >
> > Todd
> > Seattle,WA
> > '86 GTI, Red of course. (exciting racey car) 270,000 miles
> > '01 Golf TDI, silver.   (new work car)       210,000 miles
> > '87 Golf, Polar Silver. (retired work car)   654,000 miles <- Gone to a new 
> > home :(
> > http://www.pureluckdesign.com <-Ferrari & VW stuff
> >
> >
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