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

[JAshburne (JAshburne]

Congratulations!  Feels exhilarating doesn't it, living on the edge  of 
disaster for 2 1/2 hours?  Sounds like each battery might last up  to an hour 
under bare minimum draw conditions and the 3 battery farm was just  enough to 
get the job done.
 
I love it when a plan comes together!
 
John
 
In a message dated 7/27/2009 4:49:45 P.M. Eastern Daylight Time,  
MStark [at] Copper.net writes:

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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