[Diy_efi] Fuel rail sizing

[Ron Schroeder]

Hi Dave,

I would suspect that in the real world, there is much more variation from
one injector to another due to manufacturing tolerances than due to pressure
changes from one end of the fuel rail to the other assuming the total area
of the nozzles is less than 10% of the cross section area of the inside of
the fuel rail.

Ron Schroeder
WD8CDH
day 631 344-4561
nite 631 286-5677


----- Original Message -----
From: "Dave Dahlgren" <ddahlgren at snet.net>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, September 04, 2002 5:29 AM
Subject: Re: [Diy_efi] Fuel rail sizing


> Are you suggesting that if there are 6 injectors in a line and they all
open at
> once the one furthest away from the supply will have exactly the same
pressure
> as the one closest? What piece of physics would you base that on? Do you
have a
> part# for the pump and regulator that will accomplish this working in the
> microsecond range for response times?
> Dave
> Phil Lamovie wrote:
> >
> > At 90% duty cycle it doesn't make s spit of difference
> >
> > phil
> >

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