no flames please, power steering question

[Lawrence C Leung]

Sounds to me that an adjustable pressure regulator (in inverse relation
to speed) would have worked just fine. 

LL - NY

On Sat, 20 Jan 2001 09:15:31 -0800 "David Glubrecht"
<daveglu at hotmail.com> writes:
>Actually the way I understood the system might be better stated by 
>that the
>trans pump pumped the fluid back to the normal pump rerouting it 
>around the
>rack. In this way both pumps are pumping the same direction and just
>circulating fluid at realitivly low pressure.  That is the point of 
>the
>second pump, to reduce pressure.  As neither pump is devoloping 
>pressure
>going down the road, I believe there would less parasitic power loss 
>than
>with a standard system.  The check valve would open when the trans 
>pump
>started pumping more fluid that the regular pump so that the system 
>would
>not devolop reverse pressure on the rack.
>  Dave G
>
>> And a notable parasitic power loss. Running one pump against the 
>other
>> (raising pressures unecessarily, I might add) is sure a waste of 
>energy.
>>
>> LL - NY
>>
>> On Thu, 18 Jan 2001 18:17:16 -0800 "David Glubrecht"
>> <daveglu at hotmail.com> writes:
>> >Another very creative option is to try an old honda idea.  They 
>used
>> >two P/S
>> >pumps one hooked up normally and the other hooked up to pump in
>> >reverse and
>> >driven off of the trans.  It also had a check valve to make sure 
>the
>> >most
>> >the trans pump could do is eliminate the effectiveness of the
>> >"regular"
>> >pump.  In this arrangement, you had power steering at slow speeds 
>and
>> >better
>> >feel at higher speeds along with a seemless reduction in power of 
>the
>> >P/S
>> >system.
>> >  Dave G
>> >
>> >
>>