electric power steering

[Matt McCrary]

I will go back in my cave. :)

Here is an article about electric steering and yes it is still connected to
the rack

http://www.caranddriver.com/features/electric-vs-hydraulic-steering-a-comprehensive-comparison-test-feature
 On Jul 28, 2014 6:38 PM, "ndskyz" <ndskyz at hotmail.com> wrote:

>  Whoa I think the only car out there that isn't connected to the rack is
> the New Infinity and it even has a fail safe in case of failure. Electric
> steering just replaces the old hydraulic pump and it's belt driven
> parasitic loss with and electric motor. But the steering wheel is still
> connected to the rack. Some one will surely correct me if I'm wrong here.
> BK
>
>
> -------- Original message --------
> From: Matt McCrary
> Date:07/28/2014 7:25 PM (GMT-05:00)
> To: Steve Hirsch
> Cc: se-r list
> Subject: Re: electric power steering
>
>  With electric power steering, the steering wheel is no longer connected
> directly to the rack... If there was an obstruction to the steering, you
> wouldn't be able to feel it in the steering wheel.. It moves the same no
> matter what. As speed increases, many manufacturers reduce the amount of
> angle the wheel turns. They call this speed sensitive steering. They don't
> because of the inherent lack of feedback. Does this help explain?
>
> I'm going to be replacing my B13 SE-R power steering rack with a manual
> rack from an "E" model in the next year... This has even more feedback than
> traditional power steering racks.  :)
> On Jul 28, 2014 5:56 PM, "Steve Hirsch" <shirsch at ptc.com> wrote:
>
> Thought I'd pose this here while the list is enjoying a spike of activity.
> (That and I'm not really active in any current forums.)
>
> The general conclusion I draw from reading reviews and approximately zero
> experience is that electrical PS systems suck because they lack feedback.
> This seems to be the case across segments, whether the cars be sporty or
> appliance.
>
> I've been struggling to understand why.  C&D did a article on this a year
> or 2 ago but it didn't really help me much.  As I understand it, hydraulic
> PS systems use hydraulic pressure to push the steering rack in one
> direction or the other when the rack is off center, and when the rack is on
> center then the system pushes neither way.  Why can't electric systems
> produce the same type of assist?  Why are they necessarily numb?
>
> Feel free to ignore if this is too much for one day!  :-)
>
> -steve
>
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