drive by wire and 42V

[Len Sabatine]

      A portion of the Drive By Wire is looking forward to proposed OBD3.
      Len

> > From: KasaRyan at aol.com [mailto:KasaRyan at aol.com]
> > Subject: drive by wire and 42V
> >
> >
> > Actually all the new saturn V6 cars are also sans throttle
> > cable, so I assume
> > the opel engine stolen for this model is also.
> >
>
>GM has a goal to convert 95% of their passenger cars to ETC
>(throttle-by-wire) by 2005.  If they're that gung-ho on it, there must be a
>tremendous cost savings (GM doesn't bother with technological advances if
>there's not a cost savings).
>
> > 42V was discussed by IEEE and SAE a few years back and is
> > definitely coming -
> > by 2003 at the latest.  Smaller wire, smaller output devices, more
> > efficiency.  Also allow the use of things like electric ac,
> > water pumps, and
> > steering assist.  Really helps when you have a hybrid type vehicle.
>
>I don't know of any vehicle that's going to be running a 42 V system by '03.
>I'm sure that some Japanese or German OEM is working on it for a high-end
>application (BMW 7-series, M-B S-class, Lexus LS, etc.), but I haven't seen
>any indication that there's any designs coming down the pipe for American
>OEMs.
>
>There's still some technological issues that need to be worked out for 42 V
>systems, at least in the power conversion area (there's going to be a need
>for 12 V supplies in these vehicles, and they're rather costly right now).
>
>Don't worry - you won't be seeing it on a vehicle that any of us can afford
>before '08 or so.  When the changes starts, though, it's going to be quick -
>it oughta be real amusing to watch the domestic OEMs fit something like this
>into their 8-year-long design cycles.
>
>Eric Bryant
>mailto:bryante at ghsp.com
>http://www.novagate.com/~bryante
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