[Diy_efi] Re: Fuel Pump PWM

[Mike]

Yeah good point,

But whats "WCS" - is thier a list of these acronyms on any
particular site ?

rgds

Mike


At 12:48 AM 6/8/2002 -0700, you wrote:
>>>>>> "bcroe" == bcroe  <bcroe at juno.com> writes:
>
>> The amount of compressibility practically is going to be tied to how
>> much rubber hose you have and how many bubbles are in there.  The
>> steel line and the liquid are not going to be significant with any
>> kind of flow.  I doubt propagation time down the line is either, but
>> increasing the amount of rubber and vapor in the path IS.
>
>> Bruce Roe
>
>Another part of this is the fuel line size. Pressure rise is one thing,
>but you need a proportional increase in flow as well and you don't want 
>to add any undo resistance to burden the pump. Time for control theory,
>else in may oscillate in a variety of ways. I would think that WOT in
>first gear will be WCS, as blipping the throttle at idle won't pose
>enough load to show how lean the system runs with the quick rise in
>RPMs.
>
>Jerry Wills 
>
>
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