Mailing List flyrotary@lancaironline.net Message #46382
From: Tracy Crook <tracy@rotaryaviation.com>
Sender: <rwstracy@gmail.com>
Subject: Re: [FlyRotary] Injectors quandary.
Date: Thu, 11 Jun 2009 07:54:54 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
35 PSI is a median value just for sanity checking and applies to the stock Mazda injectors.  Fuel Pressure varies with manifold pressure  (if your regulator is working right) and goes between about 32 - 40 PSI.   Don't sweat the small stuff or read everything I write as if it is carved on stone tablets :>)

Tracy

On Thu, Jun 11, 2009 at 2:29 AM, Bill Bradburry <bbradburry@bellsouth.net> wrote:
 Another quandary.

I have been reading about fuel injectors and is seems that the fuel pressure
standard is 3 bar which is about 43-44 pounds.  The recommendation from
Tracy is about 35 pounds.  That will reduce the flow of the injectors by
around 11% or so.
Can someone (hopefully Tracy so it will be a fact and not a guess..  :>))
shed some light on why we are at a lower fuel pressure?  What pressure does
the car run at?

Bill B


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