Date: Sat, 22 Aug 2009 10:02:06 -0700
Reply-To: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject: Re: Engine electrical power requirements?
In-Reply-To: <0KOR00G8PANWY454@vms173001.mailsrvcs.net>
Content-Type: text/plain; charset=ISO-8859-1
Thanks. I'd never really considered that factor before - I'm from old cars
without doodads! =)
On Fri, Aug 21, 2009 at 7:24 PM, pdooley <psdooley@verizon.net> wrote:
> The heater current drops down but doesn't cut out.
> I don't have specific numbers, but the heater element is powered when the
> car is on, at least on my car.
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Jake de Villiers
> Sent: Friday, August 21, 2009 9:16 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Engine electrical power requirements?
>
> Right - I thought the fuel pump would obviously be the primary user...I
> guess the heater cuts out at some point then?
>
> On Fri, Aug 21, 2009 at 8:55 AM, pdooley <psdooley@verizon.net> wrote:
>
> > You would think so Jake, but not the case.
> > The O2 heater element draw is non-linear. The draw starts off high but
> > drops significantly as the element heats up.
> > OTOH, the fuel pump has to provide high pressure continuously, and gets
> my
> > vote for current hog.
> >
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of
> > Jake de Villiers
> > Sent: Friday, August 21, 2009 11:22 AM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Re: Engine electrical power requirements?
> >
> > Our race car had no alternator fitted and would run the starter, fuel
> pump,
> > gauges and ignition for 2 practice sessions and a race without needing to
> > be
> > recharged.
> >
> > Prolly the biggest consumer would be the oxygen sensor - I can't see the
> > ECU
> > needing bags of current...
> >
> >
> >
>
>
> --
> Beverley Anne de Villiers April 20, 1930 - July 4, 2009
>
> Jake
>
> 1984 Vanagon GL
> 1986 Westy Weekender "Dixie"
>
> Crescent Beach, BC
>
> www.thebassspa.com
> www.crescentbeachguitar.com
> http://subyjake.googlepages.com/mydixiedarlin%27
>
>
--
Beverley Anne de Villiers April 20, 1930 - July 4, 2009
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27
|